diff --git a/config/Accessible-full.js b/config/Accessible-full.js
index 06a7fb431..427b6bc18 100644
--- a/config/Accessible-full.js
+++ b/config/Accessible-full.js
@@ -66,7 +66,7 @@ MathJax.Extension.tex2jax={version:"1.1.3",config:{inlineMath:[["\\(","\\)"]],di
 
 MathJax.Extension.mml2jax={version:"1.1.2",config:{preview:"alttext"},MMLnamespace:"http://www.w3.org/1998/Math/MathML",PreProcess:function(e){if(!this.configured){this.config=MathJax.Hub.CombineConfig("mml2jax",this.config);if(this.config.Augment){MathJax.Hub.Insert(this,this.config.Augment)}this.InitBrowser();this.configured=true}if(typeof(e)==="string"){e=document.getElementById(e)}if(!e){e=document.body}this.ProcessMathArray(e.getElementsByTagName("math"));if(e.getElementsByTagNameNS){this.ProcessMathArray(e.getElementsByTagNameNS(this.MMLnamespace,"math"))}var d=document.getElementsByTagName("html")[0];if(d){for(var c=0,b=d.attributes.length;c<b;c++){var a=d.attributes[c];if(a.nodeName.substr(0,6)==="xmlns:"&&a.nodeValue===this.MMLnamespace){this.ProcessMathArray(e.getElementsByTagName(a.nodeName.substr(6)+":math"))}}}},ProcessMathArray:function(b){var a;if(b.length){if(this.MathTagBug){for(a=b.length-1;a>=0;a--){if(b[a].nodeName==="MATH"){this.ProcessMathFlattened(b[a])}else{this.ProcessMath(b[a])}}}else{for(a=b.length-1;a>=0;a--){this.ProcessMath(b[a])}}}},ProcessMath:function(e){var d=e.parentNode;var a=document.createElement("script");a.type="math/mml";d.insertBefore(a,e);if(this.AttributeBug){var b=this.OuterHTML(e);if(this.CleanupHTML){b=b.replace(/<\?import .*?>/i,"").replace(/<\?xml:namespace .*?\/>/i,"");b=b.replace(/&nbsp;/g,"&#xA0;")}MathJax.HTML.setScript(a,b);d.removeChild(e)}else{var c=MathJax.HTML.Element("span");c.appendChild(e);MathJax.HTML.setScript(a,c.innerHTML)}if(this.config.preview!=="none"){this.createPreview(e,a)}},ProcessMathFlattened:function(f){var d=f.parentNode;var b=document.createElement("script");b.type="math/mml";d.insertBefore(b,f);var c="",e,a=f;while(f&&f.nodeName!=="/MATH"){e=f;f=f.nextSibling;c+=this.NodeHTML(e);e.parentNode.removeChild(e)}if(f&&f.nodeName==="/MATH"){f.parentNode.removeChild(f)}b.text=c+"</math>";if(this.config.preview!=="none"){this.createPreview(a,b)}},NodeHTML:function(e){var c,b,a;if(e.nodeName==="#text"){c=this.quoteHTML(e.nodeValue)}else{if(e.nodeName==="#comment"){c="<!--"+e.nodeValue+"-->"}else{c="<"+e.nodeName.toLowerCase();for(b=0,a=e.attributes.length;b<a;b++){var d=e.attributes[b];if(d.specified){c+=" "+d.nodeName.toLowerCase().replace(/xmlns:xmlns/,"xmlns")+"=";var f=d.nodeValue;if(f==null&&d.nodeName==="style"&&e.style){f=e.style.cssText}c+='"'+this.quoteHTML(f)+'"'}}c+=">";if(e.outerHTML!=null&&e.outerHTML.match(/(.<\/[A-Z]+>|\/>)$/)){for(b=0,a=e.childNodes.length;b<a;b++){c+=this.OuterHTML(e.childNodes[b])}c+="</"+e.nodeName.toLowerCase()+">"}}}return c},OuterHTML:function(d){if(d.nodeName.charAt(0)==="#"){return this.NodeHTML(d)}if(!this.AttributeBug){return d.outerHTML}var c=this.NodeHTML(d);for(var b=0,a=d.childNodes.length;b<a;b++){c+=this.OuterHTML(d.childNodes[b])}c+="</"+d.nodeName.toLowerCase()+">";return c},quoteHTML:function(a){if(a==null){a=""}return a.replace(/&/g,"&#x26;").replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/"/g,"&quot;")},createPreview:function(b,a){var c;if(this.config.preview==="alttext"){var d=b.getAttribute("alttext");if(d!=null){c=[this.filterText(d)]}}else{if(this.config.preview instanceof Array){c=this.config.preview}}if(c){c=MathJax.HTML.Element("span",{className:MathJax.Hub.config.preRemoveClass},c);a.parentNode.insertBefore(c,a)}},filterText:function(a){return a},InitBrowser:function(){var b=MathJax.HTML.Element("span",{id:"<",className:"mathjax",innerHTML:"<math><mi>x</mi><mspace /></math>"});var a=b.outerHTML||"";this.AttributeBug=a!==""&&!(a.match(/id="&lt;"/)&&a.match(/class="mathjax"/)&&a.match(/<\/math>/));this.MathTagBug=b.childNodes.length>1;this.CleanupHTML=MathJax.Hub.Browser.isMSIE}};MathJax.Hub.Register.PreProcessor(["PreProcess",MathJax.Extension.mml2jax]);MathJax.Ajax.loadComplete("[MathJax]/extensions/mml2jax.js");
 
-(function(a,d,f,c,j){var k="1.1.3";var i=a.CombineConfig("MathZoom",{styles:{"#MathJax_Zoom":{position:"absolute","background-color":"#F0F0F0",overflow:"auto",display:"block","z-index":301,padding:".5em",border:"1px solid black",margin:0,"font-family":"serif","font-size":"85%","font-weight":"normal","font-style":"normal","text-align":"left","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","box-shadow":"5px 5px 15px #AAAAAA","-webkit-box-shadow":"5px 5px 15px #AAAAAA","-moz-box-shadow":"5px 5px 15px #AAAAAA","-khtml-box-shadow":"5px 5px 15px #AAAAAA",filter:"dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},"#MathJax_ZoomOverlay":{position:"absolute",left:0,top:0,"z-index":300,display:"inline-block",width:"100%",height:"100%",border:0,padding:0,margin:0,"background-color":"white",opacity:0,filter:"alpha(opacity=0)"}}});var e,b,g;MathJax.Hub.Register.StartupHook("MathEvents Ready",function(){g=MathJax.Extension.MathEvents.Event;e=MathJax.Extension.MathEvents.Event.False;b=MathJax.Extension.MathEvents.Hover});var h=MathJax.Extension.MathZoom={version:k,settings:a.config.menuSettings,HandleEvent:function(n,l,m){if(h.settings.CTRL&&!n.ctrlKey){return true}if(h.settings.ALT&&!n.altKey){return true}if(h.settings.CMD&&!n.metaKey){return true}if(h.settings.Shift&&!n.shiftKey){return true}if(!h[l]){return true}return h[l](n,m)},Click:function(m,l){if(this.settings.zoom==="Click"){return this.Zoom(m,l)}},DblClick:function(m,l){if(this.settings.zoom==="Double-Click"){return this.Zoom(m,l)}},Hover:function(m,l){if(this.settings.zoom==="Hover"){this.Zoom(m,l);return true}return false},Zoom:function(n,t){this.Remove();b.ClearHoverTimer();g.ClearSelection();var q=MathJax.OutputJax[t.jaxID];var o=q.getJaxFromMath(t),s=o.root;if(o.hover){b.UnHover(o)}var l=Math.floor(0.85*document.body.clientWidth),r=Math.floor(0.85*document.body.clientHeight);var m=d.Element("span",{style:{position:"relative",display:"inline-block",height:0,width:0},id:"MathJax_ZoomFrame"},[["span",{id:"MathJax_ZoomOverlay",onmousedown:this.Remove}],["span",{id:"MathJax_Zoom",onclick:this.Remove,style:{visibility:"hidden",fontSize:this.settings.zscale,"max-width":l+"px","max-height":r+"px"}},[["span",{style:{display:"inline-block","white-space":"nowrap"}}]]]]);var x=m.lastChild,v=x.firstChild,p=m.firstChild;t.parentNode.insertBefore(m,t);if(v.addEventListener){v.addEventListener("mousedown",this.Remove,true)}if(this.msieZIndexBug){var u=d.addElement(document.body,"img",{src:"about:blank",id:"MathJax_ZoomTracker",width:0,height:0,style:{width:0,height:0,position:"relative"}});m.style.position="relative";m.style.zIndex=i.styles["#MathJax_ZoomOverlay"]["z-index"];m=u}var w=q.Zoom(s,v,t,l,r);if(this.msiePositionBug){if(this.msieSizeBug){x.style.height=w.zH+"px";x.style.width=w.zW+"px"}if(x.offsetHeight>r){x.style.height=r+"px";v.style.marginRight="16px"}if(x.offsetWidth>l){x.style.width=l+"px";v.style.marginBottom="16px"}}if(this.operaPositionBug){x.style.width=Math.min(l,w.zW)+"px"}if(x.offsetWidth<l&&x.offsetHeight<r){x.style.overflow="visible"}this.Position(x,w);x.style.visibility="";if(this.settings.zoom==="Hover"){p.onmouseover=this.Remove}if(window.addEventListener){addEventListener("resize",this.Resize,false)}else{if(window.attachEvent){attachEvent("onresize",this.Resize)}else{this.onresize=window.onresize;window.onresize=this.Resize}}return e(n)},Position:function(p,r){var q=this.Resize(),m=q.x,s=q.y,l=r.mW;var o=-Math.floor((p.offsetWidth-l)/2),n=r.Y;p.style.left=Math.max(o,10-m)+"px";p.style.top=Math.max(n,10-s)+"px"},Resize:function(n){if(h.onresize){h.onresize(n)}var l=0,q=0,p=document.getElementById("MathJax_ZoomFrame"),o=p,m=document.getElementById("MathJax_ZoomOverlay");if(h.operaPositionBug){p.style.border="1px solid"}if(o.offsetParent){do{l+=o.offsetLeft;q+=o.offsetTop}while(o=o.offsetParent)}if(h.operaPositionBug){p.style.border=""}m.style.left=(-l)+"px";m.style.top=(-q)+"px";if(h.msiePositionBug){setTimeout(h.SetWH,0)}else{h.SetWH()}return{x:l,y:q}},SetWH:function(){var l=document.getElementById("MathJax_ZoomOverlay");l.style.width=l.style.height="1px";l.style.width=document.body.scrollWidth+"px";l.style.height=document.body.scrollHeight+"px"},Remove:function(m){var n=document.getElementById("MathJax_ZoomFrame");if(n){n.parentNode.removeChild(n);n=document.getElementById("MathJax_ZoomTracker");if(n){n.parentNode.removeChild(n)}if(h.operaRefreshBug){var l=d.addElement(document.body,"div",{style:{position:"fixed",left:0,top:0,width:"100%",height:"100%",backgroundColor:"white",opacity:0},id:"MathJax_OperaDiv"});document.body.removeChild(l)}if(window.removeEventListener){removeEventListener("resize",h.Resize,false)}else{if(window.detachEvent){detachEvent("onresize",h.Resize)}else{window.onresize=h.onresize;delete h.onresize}}}return e(m)}};a.Browser.Select({MSIE:function(l){var n=(document.documentMode||0);var m=(n>=9);h.msiePositionBug=!m;h.msieSizeBug=l.versionAtLeast("7.0")&&(!document.documentMode||n===7||n===8);h.msieZIndexBug=(n<=7);h.msieInlineBlockAlignBug=(n<=7);if(m){delete i.styles["#MathJax_Zoom"].filter}},Opera:function(l){h.operaPositionBug=true;h.operaRefreshBug=true}});h.topImg=(h.msieInlineBlockAlignBug?d.Element("img",{style:{width:0,height:0,position:"relative"},src:"about:blank"}):d.Element("span",{style:{width:0,height:0,display:"inline-block"}}));if(h.operaPositionBug||h.msieTopBug){h.topImg.style.border="1px solid"}MathJax.Callback.Queue(["StartupHook",MathJax.Hub.Register,"Begin Styles",{}],["Styles",f,i.styles],["Post",a.Startup.signal,"MathZoom Ready"],["loadComplete",f,"[MathJax]/extensions/MathZoom.js"])})(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.OutputJax["HTML-CSS"],MathJax.OutputJax.NativeMML);
+(function(a,d,f,c,j){var k="1.1.3";var i=a.CombineConfig("MathZoom",{styles:{"#MathJax_Zoom":{position:"absolute","background-color":"#F0F0F0",overflow:"auto",display:"block","z-index":301,padding:".5em",border:"1px solid black",margin:0,"font-family":"serif","font-size":"85%","font-weight":"normal","font-style":"normal","text-align":"left","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","box-shadow":"5px 5px 15px #AAAAAA","-webkit-box-shadow":"5px 5px 15px #AAAAAA","-moz-box-shadow":"5px 5px 15px #AAAAAA","-khtml-box-shadow":"5px 5px 15px #AAAAAA",filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},"#MathJax_ZoomOverlay":{position:"absolute",left:0,top:0,"z-index":300,display:"inline-block",width:"100%",height:"100%",border:0,padding:0,margin:0,"background-color":"white",opacity:0,filter:"alpha(opacity=0)"},"#MathJax_ZoomEventTrap":{position:"absolute",left:0,top:0,"z-index":302,display:"inline-block",border:0,padding:0,margin:0,"background-color":"white",opacity:0,filter:"alpha(opacity=0)"}}});var e,b,g;MathJax.Hub.Register.StartupHook("MathEvents Ready",function(){g=MathJax.Extension.MathEvents.Event;e=MathJax.Extension.MathEvents.Event.False;b=MathJax.Extension.MathEvents.Hover});var h=MathJax.Extension.MathZoom={version:k,settings:a.config.menuSettings,scrollSize:18,HandleEvent:function(n,l,m){if(h.settings.CTRL&&!n.ctrlKey){return true}if(h.settings.ALT&&!n.altKey){return true}if(h.settings.CMD&&!n.metaKey){return true}if(h.settings.Shift&&!n.shiftKey){return true}if(!h[l]){return true}return h[l](n,m)},Click:function(m,l){if(this.settings.zoom==="Click"){return this.Zoom(m,l)}},DblClick:function(m,l){if(this.settings.zoom==="Double-Click"){return this.Zoom(m,l)}},Hover:function(m,l){if(this.settings.zoom==="Hover"){this.Zoom(m,l);return true}return false},Zoom:function(n,t){this.Remove();b.ClearHoverTimer();g.ClearSelection();var q=MathJax.OutputJax[t.jaxID];var o=q.getJaxFromMath(t),s=o.root;if(o.hover){b.UnHover(o)}var l=Math.floor(0.85*document.body.clientWidth),r=Math.floor(0.85*document.body.clientHeight);var m=d.Element("span",{style:{position:"relative",display:"inline-block",height:0,width:0},id:"MathJax_ZoomFrame"},[["span",{id:"MathJax_ZoomOverlay",onmousedown:this.Remove}],["span",{id:"MathJax_Zoom",onclick:this.Remove,style:{visibility:"hidden",fontSize:this.settings.zscale,"max-width":l+"px","max-height":r+"px"}},[["span",{style:{display:"inline-block","white-space":"nowrap"}}]]]]);var y=m.lastChild,v=y.firstChild,p=m.firstChild;t.parentNode.insertBefore(m,t);if(v.addEventListener){v.addEventListener("mousedown",this.Remove,true)}if(this.msieTrapEventBug){var x=d.Element("span",{id:"MathJax_ZoomEventTrap",onmousedown:this.Remove});m.insertBefore(x,y)}if(this.msieZIndexBug){var u=d.addElement(document.body,"img",{src:"about:blank",id:"MathJax_ZoomTracker",width:0,height:0,style:{width:0,height:0,position:"relative"}});m.style.position="relative";m.style.zIndex=i.styles["#MathJax_ZoomOverlay"]["z-index"];m=u}var w=q.Zoom(s,v,t,l,r);if(this.msiePositionBug){if(this.msieSizeBug){y.style.height=w.zH+"px";y.style.width=w.zW+"px"}if(y.offsetHeight>r){y.style.height=r+"px";y.style.width=(w.zW+this.scrollSize)+"px"}if(y.offsetWidth>l){y.style.width=l+"px";y.style.height=(w.zH+this.scrollSize)+"px"}}if(this.operaPositionBug){y.style.width=Math.min(l,w.zW)+"px"}if(y.offsetWidth<l&&y.offsetHeight<r){y.style.overflow="visible"}this.Position(y,w);if(this.msieTrapEventBug){x.style.height=y.clientHeight+"px";x.style.width=y.clientWidth+"px";x.style.left=(parseFloat(y.style.left)+y.clientLeft)+"px";x.style.top=(parseFloat(y.style.top)+y.clientTop)+"px"}y.style.visibility="";if(this.settings.zoom==="Hover"){p.onmouseover=this.Remove}if(window.addEventListener){addEventListener("resize",this.Resize,false)}else{if(window.attachEvent){attachEvent("onresize",this.Resize)}else{this.onresize=window.onresize;window.onresize=this.Resize}}return e(n)},Position:function(p,r){var q=this.Resize(),m=q.x,s=q.y,l=r.mW;var o=-Math.floor((p.offsetWidth-l)/2),n=r.Y;p.style.left=Math.max(o,10-m)+"px";p.style.top=Math.max(n,10-s)+"px"},Resize:function(n){if(h.onresize){h.onresize(n)}var l=0,q=0,p=document.getElementById("MathJax_ZoomFrame"),o=p,m=document.getElementById("MathJax_ZoomOverlay");if(h.operaPositionBug){p.style.border="1px solid"}if(o.offsetParent){do{l+=o.offsetLeft;q+=o.offsetTop}while(o=o.offsetParent)}if(h.operaPositionBug){p.style.border=""}m.style.left=(-l)+"px";m.style.top=(-q)+"px";if(h.msiePositionBug){setTimeout(h.SetWH,0)}else{h.SetWH()}return{x:l,y:q}},SetWH:function(){var l=document.getElementById("MathJax_ZoomOverlay");l.style.width=l.style.height="1px";l.style.width=document.body.scrollWidth+"px";l.style.height=document.body.scrollHeight+"px"},Remove:function(m){var n=document.getElementById("MathJax_ZoomFrame");if(n){n.parentNode.removeChild(n);n=document.getElementById("MathJax_ZoomTracker");if(n){n.parentNode.removeChild(n)}if(h.operaRefreshBug){var l=d.addElement(document.body,"div",{style:{position:"fixed",left:0,top:0,width:"100%",height:"100%",backgroundColor:"white",opacity:0},id:"MathJax_OperaDiv"});document.body.removeChild(l)}if(window.removeEventListener){removeEventListener("resize",h.Resize,false)}else{if(window.detachEvent){detachEvent("onresize",h.Resize)}else{window.onresize=h.onresize;delete h.onresize}}}return e(m)}};a.Browser.Select({MSIE:function(l){var n=(document.documentMode||0);var m=(n>=9);h.msiePositionBug=!m;h.msieSizeBug=l.versionAtLeast("7.0")&&(!document.documentMode||n===7||n===8);h.msieZIndexBug=(n<=7);h.msieInlineBlockAlignBug=(n<=7);h.msieTrapEventBug=!window.addEventListener;if(document.compatMode==="BackCompat"){h.scrollSize=52}if(m){delete i.styles["#MathJax_Zoom"].filter}},Opera:function(l){h.operaPositionBug=true;h.operaRefreshBug=true}});h.topImg=(h.msieInlineBlockAlignBug?d.Element("img",{style:{width:0,height:0,position:"relative"},src:"about:blank"}):d.Element("span",{style:{width:0,height:0,display:"inline-block"}}));if(h.operaPositionBug||h.msieTopBug){h.topImg.style.border="1px solid"}MathJax.Callback.Queue(["StartupHook",MathJax.Hub.Register,"Begin Styles",{}],["Styles",f,i.styles],["Post",a.Startup.signal,"MathZoom Ready"],["loadComplete",f,"[MathJax]/extensions/MathZoom.js"])})(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.OutputJax["HTML-CSS"],MathJax.OutputJax.NativeMML);
 
 (function(c,f,i,e,b){var n="1.1.8";MathJax.Extension.MathMenu={version:n};var l=c.Browser.isPC,j=c.Browser.isMSIE;var h=(l?null:"5px");var m=c.CombineConfig("MathMenu",{delay:150,helpURL:"http://www.mathjax.org/help/user/",closeImg:i.fileURL(b.imageDir+"/CloseX-31.png"),showRenderer:true,showFontMenu:false,showContext:false,windowSettings:{status:"no",toolbar:"no",locationbar:"no",menubar:"no",directories:"no",personalbar:"no",resizable:"yes",scrollbars:"yes",width:100,height:50},styles:{"#MathJax_About":{position:"fixed",left:"50%",width:"auto","text-align":"center",border:"3px outset",padding:"1em 2em","background-color":"#DDDDDD",color:"black",cursor:"default","font-family":"message-box","font-size":"120%","font-style":"normal","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","z-index":201,"border-radius":"15px","-webkit-border-radius":"15px","-moz-border-radius":"15px","-khtml-border-radius":"15px","box-shadow":"0px 10px 20px #808080","-webkit-box-shadow":"0px 10px 20px #808080","-moz-box-shadow":"0px 10px 20px #808080","-khtml-box-shadow":"0px 10px 20px #808080",filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},".MathJax_Menu":{position:"absolute","background-color":"white",color:"black",width:"auto",padding:(l?"2px":"5px 0px"),border:"1px solid #CCCCCC",margin:0,cursor:"default",font:"menu","text-align":"left","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","z-index":201,"border-radius":h,"-webkit-border-radius":h,"-moz-border-radius":h,"-khtml-border-radius":h,"box-shadow":"0px 10px 20px #808080","-webkit-box-shadow":"0px 10px 20px #808080","-moz-box-shadow":"0px 10px 20px #808080","-khtml-box-shadow":"0px 10px 20px #808080",filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},".MathJax_MenuItem":{padding:(l?"2px 2em":"1px 2em"),background:"transparent"},".MathJax_MenuTitle":{"background-color":"#CCCCCC",margin:(l?"-1px -1px 1px -1px":"-5px 0 0 0"),"text-align":"center","font-style":"italic","font-size":"80%",color:"#444444",padding:"2px 0",overflow:"hidden"},".MathJax_MenuArrow":{position:"absolute",right:".5em",color:"#666666","font-family":(j?"'Arial unicode MS'":null)},".MathJax_MenuActive .MathJax_MenuArrow":{color:"white"},".MathJax_MenuCheck":{position:"absolute",left:".7em","font-family":(j?"'Arial unicode MS'":null)},".MathJax_MenuRadioCheck":{position:"absolute",left:(l?"1em":".7em")},".MathJax_MenuLabel":{padding:(l?"2px 2em 4px 1.33em":"1px 2em 3px 1.33em"),"font-style":"italic"},".MathJax_MenuRule":{"border-top":(l?"1px solid #CCCCCC":"1px solid #DDDDDD"),margin:(l?"4px 1px 0px":"4px 3px")},".MathJax_MenuDisabled":{color:"GrayText"},".MathJax_MenuActive":{"background-color":(l?"Highlight":"#606872"),color:(l?"HighlightText":"white")},".MathJax_Menu_Close":{position:"absolute",width:"31px",height:"31px",top:"-15px",left:"-15px"}}});var g,d;c.Register.StartupHook("MathEvents Ready",function(){g=MathJax.Extension.MathEvents.Event.False;d=MathJax.Extension.MathEvents.Hover});var a=MathJax.Menu=MathJax.Object.Subclass({version:n,items:[],posted:false,title:null,margin:5,Init:function(o){this.items=[].slice.call(arguments,0)},With:function(o){if(o){c.Insert(this,o)}return this},Post:function(p,z){if(!p){p=window.event}var v=(!this.title?null:[["div",{className:"MathJax_MenuTitle"},[this.title]]]);var o=document.getElementById("MathJax_MenuFrame");if(!o){o=a.Background(this);delete k.lastItem;delete k.lastMenu;delete a.skipUp}var q=f.addElement(o,"div",{onmouseup:a.Mouseup,ondblclick:g,ondragstart:g,onselectstart:g,oncontextmenu:g,menuItem:this,className:"MathJax_Menu"},v);for(var s=0,r=this.items.length;s<r;s++){this.items[s].Create(q)}if(a.isMobile){f.addElement(q,"img",{className:"MathJax_Menu_Close",menu:z,src:m.closeImg,ontouchstart:a.Close,ontouchend:g,onmousedown:a.Close})}this.posted=true;q.style.width=(q.offsetWidth+2)+"px";var w=p.pageX,u=p.pageY;if(!w&&!u){w=p.clientX+document.body.scrollLeft+document.documentElement.scrollLeft;u=p.clientY+document.body.scrollTop+document.documentElement.scrollTop}if(!z){if(w+q.offsetWidth>document.body.offsetWidth-this.margin){w=document.body.offsetWidth-q.offsetWidth-this.margin}if(a.isMobile){w=Math.max(5,w-Math.floor(q.offsetWidth/2));u-=20}a.skipUp=p.isContextMenu}else{var t="left",A=z.offsetWidth;w=(a.isMobile?30:A-2);u=0;while(z&&z!==o){w+=z.offsetLeft;u+=z.offsetTop;z=z.parentNode}if(w+q.offsetWidth>document.body.offsetWidth-this.margin&&!a.isMobile){t="right";w=Math.max(this.margin,w-A-q.offsetWidth+6)}if(!l){q.style["borderRadiusTop"+t]=0;q.style["WebkitBorderRadiusTop"+t]=0;q.style["MozBorderRadiusTop"+t]=0;q.style["KhtmlBorderRadiusTop"+t]=0}}q.style.left=w+"px";q.style.top=u+"px";if(document.selection&&document.selection.empty){document.selection.empty()}return g(p)},Remove:function(o,p){var q=document.getElementById("MathJax_MenuFrame");if(q){q.parentNode.removeChild(q);if(this.msieBackgroundBug){detachEvent("onresize",a.Resize)}}if(a.jax.hover){delete a.jax.hover.nofade;d.UnHover(a.jax)}},Find:function(p){var r=[].slice.call(arguments,1);for(var q=0,o=this.items.length;q<o;q++){if(this.items[q].name===p){if(r.length){if(!this.items[q].menu){return null}return this.items[q].menu.Find.apply(this.items[q].menu,r)}return this.items[q]}}return null}},{config:m,div:null,Close:function(o){return a.Event(o,this.menu||this.parentNode,(this.menu?"Touchend":"Remove"))},Remove:function(o){return a.Event(o,this,"Remove")},Mouseover:function(o){return a.Event(o,this,"Mouseover")},Mouseout:function(o){return a.Event(o,this,"Mouseout")},Mousedown:function(o){return a.Event(o,this,"Mousedown")},Mouseup:function(o){return a.Event(o,this,"Mouseup")},Touchstart:function(o){return a.Event(o,this,"Touchstart")},Touchend:function(o){return a.Event(o,this,"Touchend")},Event:function(q,s,o,r){if(a.skipMouseover&&o==="Mouseover"&&!r){return g(q)}if(a.skipUp){if(o.match(/Mouseup|Touchend/)){delete a.skipUp;return g(q)}if(o==="Touchstart"||(o==="Mousedown"&&!a.skipMousedown)){delete a.skipUp}}if(!q){q=window.event}var p=s.menuItem;if(p&&p[o]){return p[o](q,s)}return null},BGSTYLE:{position:"absolute",left:0,top:0,"z-index":200,width:"100%",height:"100%",border:0,padding:0,margin:0},Background:function(p){var q=f.addElement(document.body,"div",{style:this.BGSTYLE,id:"MathJax_MenuFrame"},[["div",{style:this.BGSTYLE,menuItem:p,onmousedown:this.Remove}]]);var o=q.firstChild;if(p.msieBackgroundBug){o.style.backgroundColor="white";o.style.filter="alpha(opacity=0)";q.width=q.height=0;this.Resize();attachEvent("onresize",this.Resize)}else{o.style.position="fixed"}return q},Resize:function(){setTimeout(a.SetWH,0)},SetWH:function(){var o=document.getElementById("MathJax_MenuFrame");if(o){o=o.firstChild;o.style.width=o.style.height="1px";o.style.width=document.body.scrollWidth+"px";o.style.height=document.body.scrollHeight+"px"}},saveCookie:function(){f.Cookie.Set("menu",this.cookie)},getCookie:function(){this.cookie=f.Cookie.Get("menu")},getImages:function(){if(a.isMobile){var o=new Image();o.src=m.closeImg}}});var k=a.ITEM=MathJax.Object.Subclass({name:"",Create:function(p){if(!this.hidden){var o={onmouseover:a.Mouseover,onmouseout:a.Mouseout,onmouseup:a.Mouseup,onmousedown:a.Mousedown,ondragstart:g,onselectstart:g,onselectend:g,ontouchstart:a.Touchstart,ontouchend:a.Touchend,className:"MathJax_MenuItem",menuItem:this};if(this.disabled){o.className+=" MathJax_MenuDisabled"}f.addElement(p,"div",o,this.Label(o,p))}},Mouseover:function(s,u){if(!this.disabled){this.Activate(u)}if(!this.menu||!this.menu.posted){var t=document.getElementById("MathJax_MenuFrame").childNodes,p=u.parentNode.childNodes;for(var q=0,o=p.length;q<o;q++){var r=p[q].menuItem;if(r&&r.menu&&r.menu.posted){r.Deactivate(p[q])}}o=t.length-1;while(o>=0&&u.parentNode.menuItem!==t[o].menuItem){t[o].menuItem.posted=false;t[o].parentNode.removeChild(t[o]);o--}if(this.Timer&&!a.isMobile){this.Timer(s,u)}}},Mouseout:function(o,p){if(!this.menu||!this.menu.posted){this.Deactivate(p)}if(this.timer){clearTimeout(this.timer);delete this.timer}},Mouseup:function(o,p){return this.Remove(o,p)},Touchstart:function(o,p){return this.TouchEvent(o,p,"Mousedown")},Touchend:function(o,p){return this.TouchEvent(o,p,"Mouseup")},TouchEvent:function(p,q,o){if(this!==k.lastItem){if(k.lastMenu){a.Event(p,k.lastMenu,"Mouseout")}a.Event(p,q,"Mouseover",true);k.lastItem=this;k.lastMenu=q}if(this.nativeTouch){return null}a.Event(p,q,o);return false},Remove:function(o,p){p=p.parentNode.menuItem;return p.Remove(o,p)},Activate:function(o){this.Deactivate(o);o.className+=" MathJax_MenuActive"},Deactivate:function(o){o.className=o.className.replace(/ MathJax_MenuActive/,"")},With:function(o){if(o){c.Insert(this,o)}return this}});a.ITEM.COMMAND=a.ITEM.Subclass({action:function(){},Init:function(o,q,p){this.name=o;this.action=q;this.With(p)},Label:function(o,p){return[this.name]},Mouseup:function(o,p){if(!this.disabled){this.Remove(o,p);this.action.call(this,o)}return g(o)}});a.ITEM.SUBMENU=a.ITEM.Subclass({menu:null,marker:(l&&!c.Browser.isSafari?"\u25B6":"\u25B8"),Init:function(o,q){this.name=o;var p=1;if(!(q instanceof a.ITEM)){this.With(q),p++}this.menu=a.apply(a,[].slice.call(arguments,p))},Label:function(o,p){this.menu.posted=false;return[this.name+" ",["span",{className:"MathJax_MenuArrow"},[this.marker]]]},Timer:function(o,p){if(this.timer){clearTimeout(this.timer)}o={clientX:o.clientX,clientY:o.clientY};this.timer=setTimeout(e(["Mouseup",this,o,p]),m.delay)},Touchend:function(p,r){var q=this.menu.posted;var o=this.SUPER(arguments).Touchend.apply(this,arguments);if(q){this.Deactivate(r);delete k.lastItem;delete k.lastMenu}return o},Mouseup:function(p,r){if(!this.disabled){if(!this.menu.posted){if(this.timer){clearTimeout(this.timer);delete this.timer}this.menu.Post(p,r)}else{var q=document.getElementById("MathJax_MenuFrame").childNodes,o=q.length-1;while(o>=0){var s=q[o];s.menuItem.posted=false;s.parentNode.removeChild(s);if(s.menuItem===this.menu){break}o--}}}return g(p)}});a.ITEM.RADIO=a.ITEM.Subclass({variable:null,marker:(l?"\u25CF":"\u2713"),Init:function(p,o,q){this.name=p;this.variable=o;this.With(q);if(this.value==null){this.value=this.name}},Label:function(p,q){var o={className:"MathJax_MenuRadioCheck"};if(m.settings[this.variable]!==this.value){o={style:{display:"none"}}}return[["span",o,[this.marker]]," "+this.name]},Mouseup:function(r,s){if(!this.disabled){var t=s.parentNode.childNodes;for(var p=0,o=t.length;p<o;p++){var q=t[p].menuItem;if(q&&q.variable===this.variable){t[p].firstChild.style.display="none"}}s.firstChild.display="";m.settings[this.variable]=this.value;a.cookie[this.variable]=m.settings[this.variable];a.saveCookie();if(this.action){this.action.call(a)}}this.Remove(r,s);return g(r)}});a.ITEM.CHECKBOX=a.ITEM.Subclass({variable:null,marker:"\u2713",Init:function(p,o,q){this.name=p;this.variable=o;this.With(q)},Label:function(p,q){var o={className:"MathJax_MenuCheck"};if(!m.settings[this.variable]){o={style:{display:"none"}}}return[["span",o,[this.marker]]," "+this.name]},Mouseup:function(o,p){if(!this.disabled){p.firstChild.display=(m.settings[this.variable]?"none":"");m.settings[this.variable]=!m.settings[this.variable];a.cookie[this.variable]=m.settings[this.variable];a.saveCookie();if(this.action){this.action.call(a)}}this.Remove(o,p);return g(o)}});a.ITEM.LABEL=a.ITEM.Subclass({Init:function(o,p){this.name=o;this.With(p)},Label:function(o,p){delete o.onmouseover,delete o.onmouseout;delete o.onmousedown;o.className+=" MathJax_MenuLabel";return[this.name]}});a.ITEM.RULE=a.ITEM.Subclass({Label:function(o,p){delete o.onmouseover,delete o.onmouseout;delete o.onmousedown;o.className+=" MathJax_MenuRule";return null}});a.About=function(){var r=b["HTML-CSS"]||{fontInUse:""};var t=(r.webFonts?"":"local "),p=(r.webFonts?" web":"");var q=(r.imgFonts?"Image":t+r.fontInUse+p)+" fonts";var o=["MathJax.js v"+MathJax.fileversion,["br"]];o.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}]);a.About.GetJax(o,MathJax.InputJax,"Input Jax");a.About.GetJax(o,MathJax.OutputJax,"Output Jax");a.About.GetJax(o,MathJax.ElementJax,"Element Jax");o.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}]);a.About.GetJax(o,MathJax.Extension,"Extension",true);o.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}],["center",{},[c.Browser+" v"+c.Browser.version+(r.webFonts?" \u2014 "+r.allowWebFonts+" fonts":"")]]);a.About.div=a.Background(a.About);var u=f.addElement(a.About.div,"div",{id:"MathJax_About",onclick:a.About.Remove},[["b",{style:{fontSize:"120%"}},["MathJax"]]," v"+MathJax.version,["br"],"using "+q,["br"],["br"],["span",{style:{display:"inline-block","text-align":"left","font-size":"80%","background-color":"#E4E4E4",padding:".4em .6em",border:"1px inset"}},o],["br"],["br"],["a",{href:"http://www.mathjax.org/"},["www.mathjax.org"]]]);var v=(document.documentElement||{});var s=window.innerHeight||v.clientHeight||v.scrollHeight||0;if(a.prototype.msieAboutBug){u.style.width="20em";u.style.position="absolute";u.style.left=Math.floor((document.documentElement.scrollWidth-u.offsetWidth)/2)+"px";u.style.top=(Math.floor((s-u.offsetHeight)/3)+document.body.scrollTop)+"px"}else{u.style.marginLeft=Math.floor(-u.offsetWidth/2)+"px";u.style.top=Math.floor((s-u.offsetHeight)/3)+"px"}};a.About.Remove=function(o){if(a.About.div){document.body.removeChild(a.About.div);delete a.About.div}};a.About.GetJax=function(p,u,s,r){var t=[];for(var v in u){if(u.hasOwnProperty(v)&&u[v]){if((r&&u[v].version)||(u[v].isa&&u[v].isa(u))){t.push((u[v].id||v)+" "+s+" v"+u[v].version)}}}t.sort();for(var q=0,o=t.length;q<o;q++){p.push(t[q],["br"])}return p};a.Help=function(){window.open(m.helpURL,"MathJaxHelp")};a.ShowSource=function(r){if(!r){r=window.event}var q={screenX:r.screenX,screenY:r.screenY};if(!a.jax){return}if(this.format==="MathML"){var o=MathJax.ElementJax.mml;if(o&&typeof(o.mbase.prototype.toMathML)!=="undefined"){try{a.ShowSource.Text(a.jax.root.toMathML(),r)}catch(p){if(!p.restart){throw p}e.After([this,a.ShowSource,q])}}else{if(!i.loadingToMathML){i.loadingToMathML=true;a.ShowSource.Window(r);e.Queue(i.Require("[MathJax]/extensions/toMathML.js"),function(){delete i.loadingToMathML;if(!o.mbase.prototype.toMathML){o.mbase.prototype.toMathML=function(){}}},[this,a.ShowSource,q]);return}}}else{if(a.jax.originalText==null){alert("No TeX form available");return}a.ShowSource.Text(a.jax.originalText,r)}};a.ShowSource.Window=function(p){if(!a.ShowSource.w){var q=[],o=m.windowSettings;for(var r in o){if(o.hasOwnProperty(r)){q.push(r+"="+o[r])}}a.ShowSource.w=window.open("","_blank",q.join(","))}return a.ShowSource.w};a.ShowSource.Text=function(u,t){var q=a.ShowSource.Window(t);u=u.replace(/^\s*/,"").replace(/\s*$/,"");u=u.replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;");if(a.isMobile){q.document.open();q.document.write("<html><head><meta name='viewport' content='width=device-width, initial-scale=1.0' /><title>MathJax Equation Source</title></head><body style='font-size:85%'>");q.document.write("<pre>"+u+"</pre>");q.document.write("<hr><input type='button' value='Close' onclick='window.close()' />");q.document.write("</body></html>");q.document.close()}else{q.document.open();q.document.write("<html><head><title>MathJax Equation Source</title></head><body style='font-size:85%'>");q.document.write("<table><tr><td><pre>"+u+"</pre></td></tr></table>");q.document.write("</body></html>");q.document.close();var s=q.document.body.firstChild;var r=(q.outerHeight-q.innerHeight)||30,p=(q.outerWidth-q.innerWidth)||30;p=Math.min(Math.floor(0.5*screen.width),s.offsetWidth+p+25);r=Math.min(Math.floor(0.5*screen.height),s.offsetHeight+r+25);q.resizeTo(p,r);if(t&&t.screenX!=null){var o=Math.max(0,Math.min(t.screenX-Math.floor(p/2),screen.width-p-20)),v=Math.max(0,Math.min(t.screenY-Math.floor(r/2),screen.height-r-20));q.moveTo(o,v)}}delete a.ShowSource.w};a.Scale=function(){var p=b["HTML-CSS"],o=b.NativeMML;var r=(p?p.config.scale:o.config.scale);var q=prompt("Scale all mathematics (compared to surrounding text) by",r+"%");if(q){if(q.match(/^\s*\d+\s*%?\s*$/)){q=parseInt(q);if(q){if(q!==r){if(p){p.config.scale=q}if(o){o.config.scale=q}a.cookie.scale=q;a.saveCookie();c.Reprocess()}}else{alert("The scale should not be zero")}}else{alert("The scale should be a perentage (e.g., 120%)")}}};a.Zoom=function(){if(!MathJax.Extension.MathZoom){i.Require("[MathJax]/extensions/MathZoom.js")}};a.Renderer=function(){var o=c.config.outputJax["jax/mml"];if(o[0]!==m.settings.renderer){e.Queue(["Require",i,"[MathJax]/jax/output/"+m.settings.renderer+"/config.js"],["Post",c.Startup.signal,m.settings.renderer+" output selected"],[function(){var r=b[m.settings.renderer];for(var q=0,p=o.length;q<p;q++){if(o[q]===r){o.splice(q,1);break}}o.unshift(r)}],["Reprocess",c])}};a.Font=function(){var o=b["HTML-CSS"];if(!o){return}document.location.reload()};c.Browser.Select({MSIE:function(o){var p=(document.compatMode==="BackCompat");var q=o.versionAtLeast("8.0")&&document.documentMode>7;a.Augment({margin:20,msieBackgroundBug:(p||!q),msieAboutBug:p});if(document.documentMode>=9){delete m.styles["#MathJax_About"].filter;delete m.styles[".MathJax_Menu"].filter}},Firefox:function(o){a.skipMouseover=o.isMobile&&o.versionAtLeast("6.0");a.skipMousedown=o.isMobile}});a.isMobile=c.Browser.isMobile;a.noContextMenu=c.Browser.noContextMenu;c.Register.StartupHook("End Config",function(){m.settings=c.config.menuSettings;if(typeof(m.settings.showRenderer)!=="undefined"){m.showRenderer=m.settings.showRenderer}if(typeof(m.settings.showFontMenu)!=="undefined"){m.showFontMenu=m.settings.showFontMenu}if(typeof(m.settings.showContext)!=="undefined"){m.showContext=m.settings.showContext}a.getCookie();a.menu=a(k.SUBMENU("Show Math As",k.COMMAND("MathML Code",a.ShowSource,{nativeTouch:true,format:"MathML"}),k.COMMAND("Original Form",a.ShowSource,{nativeTouch:true})),k.RULE(),k.SUBMENU("Math Settings",k.SUBMENU("Zoom Trigger",k.RADIO("Hover","zoom",{action:a.Zoom}),k.RADIO("Click","zoom",{action:a.Zoom}),k.RADIO("Double-Click","zoom",{action:a.Zoom}),k.RADIO("No Zoom","zoom",{value:"None"}),k.RULE(),k.LABEL("Trigger Requires:"),k.CHECKBOX((c.Browser.isMac?"Option":"Alt"),"ALT"),k.CHECKBOX("Command","CMD",{hidden:!c.Browser.isMac}),k.CHECKBOX("Control","CTRL",{hidden:c.Browser.isMac}),k.CHECKBOX("Shift","Shift")),k.SUBMENU("Zoom Factor",k.RADIO("125%","zscale"),k.RADIO("133%","zscale"),k.RADIO("150%","zscale"),k.RADIO("175%","zscale"),k.RADIO("200%","zscale"),k.RADIO("250%","zscale"),k.RADIO("300%","zscale"),k.RADIO("400%","zscale")),k.RULE(),k.SUBMENU("Math Renderer",{hidden:!m.showRenderer},k.RADIO("HTML-CSS","renderer",{action:a.Renderer}),k.RADIO("MathML","renderer",{action:a.Renderer,value:"NativeMML"})),k.SUBMENU("Font Preference",{hidden:!m.showFontMenu},k.LABEL("For HTML-CSS:"),k.RADIO("Auto","font",{action:a.Font}),k.RULE(),k.RADIO("TeX (local)","font",{action:a.Font}),k.RADIO("TeX (web)","font",{action:a.Font}),k.RADIO("TeX (image)","font",{action:a.Font}),k.RULE(),k.RADIO("STIX (local)","font",{action:a.Font})),k.SUBMENU("Contextual Menu",{hidden:!m.showContext},k.RADIO("MathJax","context"),k.RADIO("Browser","context")),k.COMMAND("Scale All Math ...",a.Scale),k.RULE(),k.CHECKBOX("Highlight on Hover","discoverable")),k.RULE(),k.COMMAND("About MathJax",a.About),k.COMMAND("MathJax Help",a.Help))});a.showRenderer=function(o){a.cookie.showRenderer=m.showRenderer=o;a.saveCookie();a.menu.Find("Math Settings","Math Renderer").hidden=!o};a.showFontMenu=function(o){a.cookie.showFontMenu=m.showFontMenu=o;a.saveCookie();a.menu.Find("Math Settings","Font Preference").hidden=!o};a.showContext=function(o){a.cookie.showContext=m.showContext=o;a.saveCookie();a.menu.Find("Math Settings","Contextual Menu").hidden=!o};if(a.isMobile){(function(){var p=m.settings;var o=a.menu.Find("Math Settings","Zoom Trigger").menu;o.items[0].disabled=o.items[1].disabled=true;if(p.zoom==="Hover"||p.zoom=="Click"){p.zoom="None"}o.items=o.items.slice(0,4);if(navigator.appVersion.match(/[ (]Android[) ]/)){a.ITEM.SUBMENU.Augment({marker:"\u00BB"})}})()}e.Queue(c.Register.StartupHook("End Config",{}),["getImages",a],["Styles",i,m.styles],["Post",c.Startup.signal,"MathMenu Ready"],["loadComplete",i,"[MathJax]/extensions/MathMenu.js"])})(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.CallBack,MathJax.OutputJax);
 
diff --git a/config/Accessible.js b/config/Accessible.js
index 6933f6542..af24eb489 100644
--- a/config/Accessible.js
+++ b/config/Accessible.js
@@ -63,7 +63,7 @@ MathJax.Extension.tex2jax={version:"1.1.3",config:{inlineMath:[["\\(","\\)"]],di
 
 MathJax.Extension.mml2jax={version:"1.1.2",config:{preview:"alttext"},MMLnamespace:"http://www.w3.org/1998/Math/MathML",PreProcess:function(e){if(!this.configured){this.config=MathJax.Hub.CombineConfig("mml2jax",this.config);if(this.config.Augment){MathJax.Hub.Insert(this,this.config.Augment)}this.InitBrowser();this.configured=true}if(typeof(e)==="string"){e=document.getElementById(e)}if(!e){e=document.body}this.ProcessMathArray(e.getElementsByTagName("math"));if(e.getElementsByTagNameNS){this.ProcessMathArray(e.getElementsByTagNameNS(this.MMLnamespace,"math"))}var d=document.getElementsByTagName("html")[0];if(d){for(var c=0,b=d.attributes.length;c<b;c++){var a=d.attributes[c];if(a.nodeName.substr(0,6)==="xmlns:"&&a.nodeValue===this.MMLnamespace){this.ProcessMathArray(e.getElementsByTagName(a.nodeName.substr(6)+":math"))}}}},ProcessMathArray:function(b){var a;if(b.length){if(this.MathTagBug){for(a=b.length-1;a>=0;a--){if(b[a].nodeName==="MATH"){this.ProcessMathFlattened(b[a])}else{this.ProcessMath(b[a])}}}else{for(a=b.length-1;a>=0;a--){this.ProcessMath(b[a])}}}},ProcessMath:function(e){var d=e.parentNode;var a=document.createElement("script");a.type="math/mml";d.insertBefore(a,e);if(this.AttributeBug){var b=this.OuterHTML(e);if(this.CleanupHTML){b=b.replace(/<\?import .*?>/i,"").replace(/<\?xml:namespace .*?\/>/i,"");b=b.replace(/&nbsp;/g,"&#xA0;")}MathJax.HTML.setScript(a,b);d.removeChild(e)}else{var c=MathJax.HTML.Element("span");c.appendChild(e);MathJax.HTML.setScript(a,c.innerHTML)}if(this.config.preview!=="none"){this.createPreview(e,a)}},ProcessMathFlattened:function(f){var d=f.parentNode;var b=document.createElement("script");b.type="math/mml";d.insertBefore(b,f);var c="",e,a=f;while(f&&f.nodeName!=="/MATH"){e=f;f=f.nextSibling;c+=this.NodeHTML(e);e.parentNode.removeChild(e)}if(f&&f.nodeName==="/MATH"){f.parentNode.removeChild(f)}b.text=c+"</math>";if(this.config.preview!=="none"){this.createPreview(a,b)}},NodeHTML:function(e){var c,b,a;if(e.nodeName==="#text"){c=this.quoteHTML(e.nodeValue)}else{if(e.nodeName==="#comment"){c="<!--"+e.nodeValue+"-->"}else{c="<"+e.nodeName.toLowerCase();for(b=0,a=e.attributes.length;b<a;b++){var d=e.attributes[b];if(d.specified){c+=" "+d.nodeName.toLowerCase().replace(/xmlns:xmlns/,"xmlns")+"=";var f=d.nodeValue;if(f==null&&d.nodeName==="style"&&e.style){f=e.style.cssText}c+='"'+this.quoteHTML(f)+'"'}}c+=">";if(e.outerHTML!=null&&e.outerHTML.match(/(.<\/[A-Z]+>|\/>)$/)){for(b=0,a=e.childNodes.length;b<a;b++){c+=this.OuterHTML(e.childNodes[b])}c+="</"+e.nodeName.toLowerCase()+">"}}}return c},OuterHTML:function(d){if(d.nodeName.charAt(0)==="#"){return this.NodeHTML(d)}if(!this.AttributeBug){return d.outerHTML}var c=this.NodeHTML(d);for(var b=0,a=d.childNodes.length;b<a;b++){c+=this.OuterHTML(d.childNodes[b])}c+="</"+d.nodeName.toLowerCase()+">";return c},quoteHTML:function(a){if(a==null){a=""}return a.replace(/&/g,"&#x26;").replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/"/g,"&quot;")},createPreview:function(b,a){var c;if(this.config.preview==="alttext"){var d=b.getAttribute("alttext");if(d!=null){c=[this.filterText(d)]}}else{if(this.config.preview instanceof Array){c=this.config.preview}}if(c){c=MathJax.HTML.Element("span",{className:MathJax.Hub.config.preRemoveClass},c);a.parentNode.insertBefore(c,a)}},filterText:function(a){return a},InitBrowser:function(){var b=MathJax.HTML.Element("span",{id:"<",className:"mathjax",innerHTML:"<math><mi>x</mi><mspace /></math>"});var a=b.outerHTML||"";this.AttributeBug=a!==""&&!(a.match(/id="&lt;"/)&&a.match(/class="mathjax"/)&&a.match(/<\/math>/));this.MathTagBug=b.childNodes.length>1;this.CleanupHTML=MathJax.Hub.Browser.isMSIE}};MathJax.Hub.Register.PreProcessor(["PreProcess",MathJax.Extension.mml2jax]);MathJax.Ajax.loadComplete("[MathJax]/extensions/mml2jax.js");
 
-(function(a,d,f,c,j){var k="1.1.3";var i=a.CombineConfig("MathZoom",{styles:{"#MathJax_Zoom":{position:"absolute","background-color":"#F0F0F0",overflow:"auto",display:"block","z-index":301,padding:".5em",border:"1px solid black",margin:0,"font-family":"serif","font-size":"85%","font-weight":"normal","font-style":"normal","text-align":"left","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","box-shadow":"5px 5px 15px #AAAAAA","-webkit-box-shadow":"5px 5px 15px #AAAAAA","-moz-box-shadow":"5px 5px 15px #AAAAAA","-khtml-box-shadow":"5px 5px 15px #AAAAAA",filter:"dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},"#MathJax_ZoomOverlay":{position:"absolute",left:0,top:0,"z-index":300,display:"inline-block",width:"100%",height:"100%",border:0,padding:0,margin:0,"background-color":"white",opacity:0,filter:"alpha(opacity=0)"}}});var e,b,g;MathJax.Hub.Register.StartupHook("MathEvents Ready",function(){g=MathJax.Extension.MathEvents.Event;e=MathJax.Extension.MathEvents.Event.False;b=MathJax.Extension.MathEvents.Hover});var h=MathJax.Extension.MathZoom={version:k,settings:a.config.menuSettings,HandleEvent:function(n,l,m){if(h.settings.CTRL&&!n.ctrlKey){return true}if(h.settings.ALT&&!n.altKey){return true}if(h.settings.CMD&&!n.metaKey){return true}if(h.settings.Shift&&!n.shiftKey){return true}if(!h[l]){return true}return h[l](n,m)},Click:function(m,l){if(this.settings.zoom==="Click"){return this.Zoom(m,l)}},DblClick:function(m,l){if(this.settings.zoom==="Double-Click"){return this.Zoom(m,l)}},Hover:function(m,l){if(this.settings.zoom==="Hover"){this.Zoom(m,l);return true}return false},Zoom:function(n,t){this.Remove();b.ClearHoverTimer();g.ClearSelection();var q=MathJax.OutputJax[t.jaxID];var o=q.getJaxFromMath(t),s=o.root;if(o.hover){b.UnHover(o)}var l=Math.floor(0.85*document.body.clientWidth),r=Math.floor(0.85*document.body.clientHeight);var m=d.Element("span",{style:{position:"relative",display:"inline-block",height:0,width:0},id:"MathJax_ZoomFrame"},[["span",{id:"MathJax_ZoomOverlay",onmousedown:this.Remove}],["span",{id:"MathJax_Zoom",onclick:this.Remove,style:{visibility:"hidden",fontSize:this.settings.zscale,"max-width":l+"px","max-height":r+"px"}},[["span",{style:{display:"inline-block","white-space":"nowrap"}}]]]]);var x=m.lastChild,v=x.firstChild,p=m.firstChild;t.parentNode.insertBefore(m,t);if(v.addEventListener){v.addEventListener("mousedown",this.Remove,true)}if(this.msieZIndexBug){var u=d.addElement(document.body,"img",{src:"about:blank",id:"MathJax_ZoomTracker",width:0,height:0,style:{width:0,height:0,position:"relative"}});m.style.position="relative";m.style.zIndex=i.styles["#MathJax_ZoomOverlay"]["z-index"];m=u}var w=q.Zoom(s,v,t,l,r);if(this.msiePositionBug){if(this.msieSizeBug){x.style.height=w.zH+"px";x.style.width=w.zW+"px"}if(x.offsetHeight>r){x.style.height=r+"px";v.style.marginRight="16px"}if(x.offsetWidth>l){x.style.width=l+"px";v.style.marginBottom="16px"}}if(this.operaPositionBug){x.style.width=Math.min(l,w.zW)+"px"}if(x.offsetWidth<l&&x.offsetHeight<r){x.style.overflow="visible"}this.Position(x,w);x.style.visibility="";if(this.settings.zoom==="Hover"){p.onmouseover=this.Remove}if(window.addEventListener){addEventListener("resize",this.Resize,false)}else{if(window.attachEvent){attachEvent("onresize",this.Resize)}else{this.onresize=window.onresize;window.onresize=this.Resize}}return e(n)},Position:function(p,r){var q=this.Resize(),m=q.x,s=q.y,l=r.mW;var o=-Math.floor((p.offsetWidth-l)/2),n=r.Y;p.style.left=Math.max(o,10-m)+"px";p.style.top=Math.max(n,10-s)+"px"},Resize:function(n){if(h.onresize){h.onresize(n)}var l=0,q=0,p=document.getElementById("MathJax_ZoomFrame"),o=p,m=document.getElementById("MathJax_ZoomOverlay");if(h.operaPositionBug){p.style.border="1px solid"}if(o.offsetParent){do{l+=o.offsetLeft;q+=o.offsetTop}while(o=o.offsetParent)}if(h.operaPositionBug){p.style.border=""}m.style.left=(-l)+"px";m.style.top=(-q)+"px";if(h.msiePositionBug){setTimeout(h.SetWH,0)}else{h.SetWH()}return{x:l,y:q}},SetWH:function(){var l=document.getElementById("MathJax_ZoomOverlay");l.style.width=l.style.height="1px";l.style.width=document.body.scrollWidth+"px";l.style.height=document.body.scrollHeight+"px"},Remove:function(m){var n=document.getElementById("MathJax_ZoomFrame");if(n){n.parentNode.removeChild(n);n=document.getElementById("MathJax_ZoomTracker");if(n){n.parentNode.removeChild(n)}if(h.operaRefreshBug){var l=d.addElement(document.body,"div",{style:{position:"fixed",left:0,top:0,width:"100%",height:"100%",backgroundColor:"white",opacity:0},id:"MathJax_OperaDiv"});document.body.removeChild(l)}if(window.removeEventListener){removeEventListener("resize",h.Resize,false)}else{if(window.detachEvent){detachEvent("onresize",h.Resize)}else{window.onresize=h.onresize;delete h.onresize}}}return e(m)}};a.Browser.Select({MSIE:function(l){var n=(document.documentMode||0);var m=(n>=9);h.msiePositionBug=!m;h.msieSizeBug=l.versionAtLeast("7.0")&&(!document.documentMode||n===7||n===8);h.msieZIndexBug=(n<=7);h.msieInlineBlockAlignBug=(n<=7);if(m){delete i.styles["#MathJax_Zoom"].filter}},Opera:function(l){h.operaPositionBug=true;h.operaRefreshBug=true}});h.topImg=(h.msieInlineBlockAlignBug?d.Element("img",{style:{width:0,height:0,position:"relative"},src:"about:blank"}):d.Element("span",{style:{width:0,height:0,display:"inline-block"}}));if(h.operaPositionBug||h.msieTopBug){h.topImg.style.border="1px solid"}MathJax.Callback.Queue(["StartupHook",MathJax.Hub.Register,"Begin Styles",{}],["Styles",f,i.styles],["Post",a.Startup.signal,"MathZoom Ready"],["loadComplete",f,"[MathJax]/extensions/MathZoom.js"])})(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.OutputJax["HTML-CSS"],MathJax.OutputJax.NativeMML);
+(function(a,d,f,c,j){var k="1.1.3";var i=a.CombineConfig("MathZoom",{styles:{"#MathJax_Zoom":{position:"absolute","background-color":"#F0F0F0",overflow:"auto",display:"block","z-index":301,padding:".5em",border:"1px solid black",margin:0,"font-family":"serif","font-size":"85%","font-weight":"normal","font-style":"normal","text-align":"left","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","box-shadow":"5px 5px 15px #AAAAAA","-webkit-box-shadow":"5px 5px 15px #AAAAAA","-moz-box-shadow":"5px 5px 15px #AAAAAA","-khtml-box-shadow":"5px 5px 15px #AAAAAA",filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},"#MathJax_ZoomOverlay":{position:"absolute",left:0,top:0,"z-index":300,display:"inline-block",width:"100%",height:"100%",border:0,padding:0,margin:0,"background-color":"white",opacity:0,filter:"alpha(opacity=0)"},"#MathJax_ZoomEventTrap":{position:"absolute",left:0,top:0,"z-index":302,display:"inline-block",border:0,padding:0,margin:0,"background-color":"white",opacity:0,filter:"alpha(opacity=0)"}}});var e,b,g;MathJax.Hub.Register.StartupHook("MathEvents Ready",function(){g=MathJax.Extension.MathEvents.Event;e=MathJax.Extension.MathEvents.Event.False;b=MathJax.Extension.MathEvents.Hover});var h=MathJax.Extension.MathZoom={version:k,settings:a.config.menuSettings,scrollSize:18,HandleEvent:function(n,l,m){if(h.settings.CTRL&&!n.ctrlKey){return true}if(h.settings.ALT&&!n.altKey){return true}if(h.settings.CMD&&!n.metaKey){return true}if(h.settings.Shift&&!n.shiftKey){return true}if(!h[l]){return true}return h[l](n,m)},Click:function(m,l){if(this.settings.zoom==="Click"){return this.Zoom(m,l)}},DblClick:function(m,l){if(this.settings.zoom==="Double-Click"){return this.Zoom(m,l)}},Hover:function(m,l){if(this.settings.zoom==="Hover"){this.Zoom(m,l);return true}return false},Zoom:function(n,t){this.Remove();b.ClearHoverTimer();g.ClearSelection();var q=MathJax.OutputJax[t.jaxID];var o=q.getJaxFromMath(t),s=o.root;if(o.hover){b.UnHover(o)}var l=Math.floor(0.85*document.body.clientWidth),r=Math.floor(0.85*document.body.clientHeight);var m=d.Element("span",{style:{position:"relative",display:"inline-block",height:0,width:0},id:"MathJax_ZoomFrame"},[["span",{id:"MathJax_ZoomOverlay",onmousedown:this.Remove}],["span",{id:"MathJax_Zoom",onclick:this.Remove,style:{visibility:"hidden",fontSize:this.settings.zscale,"max-width":l+"px","max-height":r+"px"}},[["span",{style:{display:"inline-block","white-space":"nowrap"}}]]]]);var y=m.lastChild,v=y.firstChild,p=m.firstChild;t.parentNode.insertBefore(m,t);if(v.addEventListener){v.addEventListener("mousedown",this.Remove,true)}if(this.msieTrapEventBug){var x=d.Element("span",{id:"MathJax_ZoomEventTrap",onmousedown:this.Remove});m.insertBefore(x,y)}if(this.msieZIndexBug){var u=d.addElement(document.body,"img",{src:"about:blank",id:"MathJax_ZoomTracker",width:0,height:0,style:{width:0,height:0,position:"relative"}});m.style.position="relative";m.style.zIndex=i.styles["#MathJax_ZoomOverlay"]["z-index"];m=u}var w=q.Zoom(s,v,t,l,r);if(this.msiePositionBug){if(this.msieSizeBug){y.style.height=w.zH+"px";y.style.width=w.zW+"px"}if(y.offsetHeight>r){y.style.height=r+"px";y.style.width=(w.zW+this.scrollSize)+"px"}if(y.offsetWidth>l){y.style.width=l+"px";y.style.height=(w.zH+this.scrollSize)+"px"}}if(this.operaPositionBug){y.style.width=Math.min(l,w.zW)+"px"}if(y.offsetWidth<l&&y.offsetHeight<r){y.style.overflow="visible"}this.Position(y,w);if(this.msieTrapEventBug){x.style.height=y.clientHeight+"px";x.style.width=y.clientWidth+"px";x.style.left=(parseFloat(y.style.left)+y.clientLeft)+"px";x.style.top=(parseFloat(y.style.top)+y.clientTop)+"px"}y.style.visibility="";if(this.settings.zoom==="Hover"){p.onmouseover=this.Remove}if(window.addEventListener){addEventListener("resize",this.Resize,false)}else{if(window.attachEvent){attachEvent("onresize",this.Resize)}else{this.onresize=window.onresize;window.onresize=this.Resize}}return e(n)},Position:function(p,r){var q=this.Resize(),m=q.x,s=q.y,l=r.mW;var o=-Math.floor((p.offsetWidth-l)/2),n=r.Y;p.style.left=Math.max(o,10-m)+"px";p.style.top=Math.max(n,10-s)+"px"},Resize:function(n){if(h.onresize){h.onresize(n)}var l=0,q=0,p=document.getElementById("MathJax_ZoomFrame"),o=p,m=document.getElementById("MathJax_ZoomOverlay");if(h.operaPositionBug){p.style.border="1px solid"}if(o.offsetParent){do{l+=o.offsetLeft;q+=o.offsetTop}while(o=o.offsetParent)}if(h.operaPositionBug){p.style.border=""}m.style.left=(-l)+"px";m.style.top=(-q)+"px";if(h.msiePositionBug){setTimeout(h.SetWH,0)}else{h.SetWH()}return{x:l,y:q}},SetWH:function(){var l=document.getElementById("MathJax_ZoomOverlay");l.style.width=l.style.height="1px";l.style.width=document.body.scrollWidth+"px";l.style.height=document.body.scrollHeight+"px"},Remove:function(m){var n=document.getElementById("MathJax_ZoomFrame");if(n){n.parentNode.removeChild(n);n=document.getElementById("MathJax_ZoomTracker");if(n){n.parentNode.removeChild(n)}if(h.operaRefreshBug){var l=d.addElement(document.body,"div",{style:{position:"fixed",left:0,top:0,width:"100%",height:"100%",backgroundColor:"white",opacity:0},id:"MathJax_OperaDiv"});document.body.removeChild(l)}if(window.removeEventListener){removeEventListener("resize",h.Resize,false)}else{if(window.detachEvent){detachEvent("onresize",h.Resize)}else{window.onresize=h.onresize;delete h.onresize}}}return e(m)}};a.Browser.Select({MSIE:function(l){var n=(document.documentMode||0);var m=(n>=9);h.msiePositionBug=!m;h.msieSizeBug=l.versionAtLeast("7.0")&&(!document.documentMode||n===7||n===8);h.msieZIndexBug=(n<=7);h.msieInlineBlockAlignBug=(n<=7);h.msieTrapEventBug=!window.addEventListener;if(document.compatMode==="BackCompat"){h.scrollSize=52}if(m){delete i.styles["#MathJax_Zoom"].filter}},Opera:function(l){h.operaPositionBug=true;h.operaRefreshBug=true}});h.topImg=(h.msieInlineBlockAlignBug?d.Element("img",{style:{width:0,height:0,position:"relative"},src:"about:blank"}):d.Element("span",{style:{width:0,height:0,display:"inline-block"}}));if(h.operaPositionBug||h.msieTopBug){h.topImg.style.border="1px solid"}MathJax.Callback.Queue(["StartupHook",MathJax.Hub.Register,"Begin Styles",{}],["Styles",f,i.styles],["Post",a.Startup.signal,"MathZoom Ready"],["loadComplete",f,"[MathJax]/extensions/MathZoom.js"])})(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.OutputJax["HTML-CSS"],MathJax.OutputJax.NativeMML);
 
 (function(c,f,i,e,b){var n="1.1.8";MathJax.Extension.MathMenu={version:n};var l=c.Browser.isPC,j=c.Browser.isMSIE;var h=(l?null:"5px");var m=c.CombineConfig("MathMenu",{delay:150,helpURL:"http://www.mathjax.org/help/user/",closeImg:i.fileURL(b.imageDir+"/CloseX-31.png"),showRenderer:true,showFontMenu:false,showContext:false,windowSettings:{status:"no",toolbar:"no",locationbar:"no",menubar:"no",directories:"no",personalbar:"no",resizable:"yes",scrollbars:"yes",width:100,height:50},styles:{"#MathJax_About":{position:"fixed",left:"50%",width:"auto","text-align":"center",border:"3px outset",padding:"1em 2em","background-color":"#DDDDDD",color:"black",cursor:"default","font-family":"message-box","font-size":"120%","font-style":"normal","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","z-index":201,"border-radius":"15px","-webkit-border-radius":"15px","-moz-border-radius":"15px","-khtml-border-radius":"15px","box-shadow":"0px 10px 20px #808080","-webkit-box-shadow":"0px 10px 20px #808080","-moz-box-shadow":"0px 10px 20px #808080","-khtml-box-shadow":"0px 10px 20px #808080",filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},".MathJax_Menu":{position:"absolute","background-color":"white",color:"black",width:"auto",padding:(l?"2px":"5px 0px"),border:"1px solid #CCCCCC",margin:0,cursor:"default",font:"menu","text-align":"left","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","z-index":201,"border-radius":h,"-webkit-border-radius":h,"-moz-border-radius":h,"-khtml-border-radius":h,"box-shadow":"0px 10px 20px #808080","-webkit-box-shadow":"0px 10px 20px #808080","-moz-box-shadow":"0px 10px 20px #808080","-khtml-box-shadow":"0px 10px 20px #808080",filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},".MathJax_MenuItem":{padding:(l?"2px 2em":"1px 2em"),background:"transparent"},".MathJax_MenuTitle":{"background-color":"#CCCCCC",margin:(l?"-1px -1px 1px -1px":"-5px 0 0 0"),"text-align":"center","font-style":"italic","font-size":"80%",color:"#444444",padding:"2px 0",overflow:"hidden"},".MathJax_MenuArrow":{position:"absolute",right:".5em",color:"#666666","font-family":(j?"'Arial unicode MS'":null)},".MathJax_MenuActive .MathJax_MenuArrow":{color:"white"},".MathJax_MenuCheck":{position:"absolute",left:".7em","font-family":(j?"'Arial unicode MS'":null)},".MathJax_MenuRadioCheck":{position:"absolute",left:(l?"1em":".7em")},".MathJax_MenuLabel":{padding:(l?"2px 2em 4px 1.33em":"1px 2em 3px 1.33em"),"font-style":"italic"},".MathJax_MenuRule":{"border-top":(l?"1px solid #CCCCCC":"1px solid #DDDDDD"),margin:(l?"4px 1px 0px":"4px 3px")},".MathJax_MenuDisabled":{color:"GrayText"},".MathJax_MenuActive":{"background-color":(l?"Highlight":"#606872"),color:(l?"HighlightText":"white")},".MathJax_Menu_Close":{position:"absolute",width:"31px",height:"31px",top:"-15px",left:"-15px"}}});var g,d;c.Register.StartupHook("MathEvents Ready",function(){g=MathJax.Extension.MathEvents.Event.False;d=MathJax.Extension.MathEvents.Hover});var a=MathJax.Menu=MathJax.Object.Subclass({version:n,items:[],posted:false,title:null,margin:5,Init:function(o){this.items=[].slice.call(arguments,0)},With:function(o){if(o){c.Insert(this,o)}return this},Post:function(p,z){if(!p){p=window.event}var v=(!this.title?null:[["div",{className:"MathJax_MenuTitle"},[this.title]]]);var o=document.getElementById("MathJax_MenuFrame");if(!o){o=a.Background(this);delete k.lastItem;delete k.lastMenu;delete a.skipUp}var q=f.addElement(o,"div",{onmouseup:a.Mouseup,ondblclick:g,ondragstart:g,onselectstart:g,oncontextmenu:g,menuItem:this,className:"MathJax_Menu"},v);for(var s=0,r=this.items.length;s<r;s++){this.items[s].Create(q)}if(a.isMobile){f.addElement(q,"img",{className:"MathJax_Menu_Close",menu:z,src:m.closeImg,ontouchstart:a.Close,ontouchend:g,onmousedown:a.Close})}this.posted=true;q.style.width=(q.offsetWidth+2)+"px";var w=p.pageX,u=p.pageY;if(!w&&!u){w=p.clientX+document.body.scrollLeft+document.documentElement.scrollLeft;u=p.clientY+document.body.scrollTop+document.documentElement.scrollTop}if(!z){if(w+q.offsetWidth>document.body.offsetWidth-this.margin){w=document.body.offsetWidth-q.offsetWidth-this.margin}if(a.isMobile){w=Math.max(5,w-Math.floor(q.offsetWidth/2));u-=20}a.skipUp=p.isContextMenu}else{var t="left",A=z.offsetWidth;w=(a.isMobile?30:A-2);u=0;while(z&&z!==o){w+=z.offsetLeft;u+=z.offsetTop;z=z.parentNode}if(w+q.offsetWidth>document.body.offsetWidth-this.margin&&!a.isMobile){t="right";w=Math.max(this.margin,w-A-q.offsetWidth+6)}if(!l){q.style["borderRadiusTop"+t]=0;q.style["WebkitBorderRadiusTop"+t]=0;q.style["MozBorderRadiusTop"+t]=0;q.style["KhtmlBorderRadiusTop"+t]=0}}q.style.left=w+"px";q.style.top=u+"px";if(document.selection&&document.selection.empty){document.selection.empty()}return g(p)},Remove:function(o,p){var q=document.getElementById("MathJax_MenuFrame");if(q){q.parentNode.removeChild(q);if(this.msieBackgroundBug){detachEvent("onresize",a.Resize)}}if(a.jax.hover){delete a.jax.hover.nofade;d.UnHover(a.jax)}},Find:function(p){var r=[].slice.call(arguments,1);for(var q=0,o=this.items.length;q<o;q++){if(this.items[q].name===p){if(r.length){if(!this.items[q].menu){return null}return this.items[q].menu.Find.apply(this.items[q].menu,r)}return this.items[q]}}return null}},{config:m,div:null,Close:function(o){return a.Event(o,this.menu||this.parentNode,(this.menu?"Touchend":"Remove"))},Remove:function(o){return a.Event(o,this,"Remove")},Mouseover:function(o){return a.Event(o,this,"Mouseover")},Mouseout:function(o){return a.Event(o,this,"Mouseout")},Mousedown:function(o){return a.Event(o,this,"Mousedown")},Mouseup:function(o){return a.Event(o,this,"Mouseup")},Touchstart:function(o){return a.Event(o,this,"Touchstart")},Touchend:function(o){return a.Event(o,this,"Touchend")},Event:function(q,s,o,r){if(a.skipMouseover&&o==="Mouseover"&&!r){return g(q)}if(a.skipUp){if(o.match(/Mouseup|Touchend/)){delete a.skipUp;return g(q)}if(o==="Touchstart"||(o==="Mousedown"&&!a.skipMousedown)){delete a.skipUp}}if(!q){q=window.event}var p=s.menuItem;if(p&&p[o]){return p[o](q,s)}return null},BGSTYLE:{position:"absolute",left:0,top:0,"z-index":200,width:"100%",height:"100%",border:0,padding:0,margin:0},Background:function(p){var q=f.addElement(document.body,"div",{style:this.BGSTYLE,id:"MathJax_MenuFrame"},[["div",{style:this.BGSTYLE,menuItem:p,onmousedown:this.Remove}]]);var o=q.firstChild;if(p.msieBackgroundBug){o.style.backgroundColor="white";o.style.filter="alpha(opacity=0)";q.width=q.height=0;this.Resize();attachEvent("onresize",this.Resize)}else{o.style.position="fixed"}return q},Resize:function(){setTimeout(a.SetWH,0)},SetWH:function(){var o=document.getElementById("MathJax_MenuFrame");if(o){o=o.firstChild;o.style.width=o.style.height="1px";o.style.width=document.body.scrollWidth+"px";o.style.height=document.body.scrollHeight+"px"}},saveCookie:function(){f.Cookie.Set("menu",this.cookie)},getCookie:function(){this.cookie=f.Cookie.Get("menu")},getImages:function(){if(a.isMobile){var o=new Image();o.src=m.closeImg}}});var k=a.ITEM=MathJax.Object.Subclass({name:"",Create:function(p){if(!this.hidden){var o={onmouseover:a.Mouseover,onmouseout:a.Mouseout,onmouseup:a.Mouseup,onmousedown:a.Mousedown,ondragstart:g,onselectstart:g,onselectend:g,ontouchstart:a.Touchstart,ontouchend:a.Touchend,className:"MathJax_MenuItem",menuItem:this};if(this.disabled){o.className+=" MathJax_MenuDisabled"}f.addElement(p,"div",o,this.Label(o,p))}},Mouseover:function(s,u){if(!this.disabled){this.Activate(u)}if(!this.menu||!this.menu.posted){var t=document.getElementById("MathJax_MenuFrame").childNodes,p=u.parentNode.childNodes;for(var q=0,o=p.length;q<o;q++){var r=p[q].menuItem;if(r&&r.menu&&r.menu.posted){r.Deactivate(p[q])}}o=t.length-1;while(o>=0&&u.parentNode.menuItem!==t[o].menuItem){t[o].menuItem.posted=false;t[o].parentNode.removeChild(t[o]);o--}if(this.Timer&&!a.isMobile){this.Timer(s,u)}}},Mouseout:function(o,p){if(!this.menu||!this.menu.posted){this.Deactivate(p)}if(this.timer){clearTimeout(this.timer);delete this.timer}},Mouseup:function(o,p){return this.Remove(o,p)},Touchstart:function(o,p){return this.TouchEvent(o,p,"Mousedown")},Touchend:function(o,p){return this.TouchEvent(o,p,"Mouseup")},TouchEvent:function(p,q,o){if(this!==k.lastItem){if(k.lastMenu){a.Event(p,k.lastMenu,"Mouseout")}a.Event(p,q,"Mouseover",true);k.lastItem=this;k.lastMenu=q}if(this.nativeTouch){return null}a.Event(p,q,o);return false},Remove:function(o,p){p=p.parentNode.menuItem;return p.Remove(o,p)},Activate:function(o){this.Deactivate(o);o.className+=" MathJax_MenuActive"},Deactivate:function(o){o.className=o.className.replace(/ MathJax_MenuActive/,"")},With:function(o){if(o){c.Insert(this,o)}return this}});a.ITEM.COMMAND=a.ITEM.Subclass({action:function(){},Init:function(o,q,p){this.name=o;this.action=q;this.With(p)},Label:function(o,p){return[this.name]},Mouseup:function(o,p){if(!this.disabled){this.Remove(o,p);this.action.call(this,o)}return g(o)}});a.ITEM.SUBMENU=a.ITEM.Subclass({menu:null,marker:(l&&!c.Browser.isSafari?"\u25B6":"\u25B8"),Init:function(o,q){this.name=o;var p=1;if(!(q instanceof a.ITEM)){this.With(q),p++}this.menu=a.apply(a,[].slice.call(arguments,p))},Label:function(o,p){this.menu.posted=false;return[this.name+" ",["span",{className:"MathJax_MenuArrow"},[this.marker]]]},Timer:function(o,p){if(this.timer){clearTimeout(this.timer)}o={clientX:o.clientX,clientY:o.clientY};this.timer=setTimeout(e(["Mouseup",this,o,p]),m.delay)},Touchend:function(p,r){var q=this.menu.posted;var o=this.SUPER(arguments).Touchend.apply(this,arguments);if(q){this.Deactivate(r);delete k.lastItem;delete k.lastMenu}return o},Mouseup:function(p,r){if(!this.disabled){if(!this.menu.posted){if(this.timer){clearTimeout(this.timer);delete this.timer}this.menu.Post(p,r)}else{var q=document.getElementById("MathJax_MenuFrame").childNodes,o=q.length-1;while(o>=0){var s=q[o];s.menuItem.posted=false;s.parentNode.removeChild(s);if(s.menuItem===this.menu){break}o--}}}return g(p)}});a.ITEM.RADIO=a.ITEM.Subclass({variable:null,marker:(l?"\u25CF":"\u2713"),Init:function(p,o,q){this.name=p;this.variable=o;this.With(q);if(this.value==null){this.value=this.name}},Label:function(p,q){var o={className:"MathJax_MenuRadioCheck"};if(m.settings[this.variable]!==this.value){o={style:{display:"none"}}}return[["span",o,[this.marker]]," "+this.name]},Mouseup:function(r,s){if(!this.disabled){var t=s.parentNode.childNodes;for(var p=0,o=t.length;p<o;p++){var q=t[p].menuItem;if(q&&q.variable===this.variable){t[p].firstChild.style.display="none"}}s.firstChild.display="";m.settings[this.variable]=this.value;a.cookie[this.variable]=m.settings[this.variable];a.saveCookie();if(this.action){this.action.call(a)}}this.Remove(r,s);return g(r)}});a.ITEM.CHECKBOX=a.ITEM.Subclass({variable:null,marker:"\u2713",Init:function(p,o,q){this.name=p;this.variable=o;this.With(q)},Label:function(p,q){var o={className:"MathJax_MenuCheck"};if(!m.settings[this.variable]){o={style:{display:"none"}}}return[["span",o,[this.marker]]," "+this.name]},Mouseup:function(o,p){if(!this.disabled){p.firstChild.display=(m.settings[this.variable]?"none":"");m.settings[this.variable]=!m.settings[this.variable];a.cookie[this.variable]=m.settings[this.variable];a.saveCookie();if(this.action){this.action.call(a)}}this.Remove(o,p);return g(o)}});a.ITEM.LABEL=a.ITEM.Subclass({Init:function(o,p){this.name=o;this.With(p)},Label:function(o,p){delete o.onmouseover,delete o.onmouseout;delete o.onmousedown;o.className+=" MathJax_MenuLabel";return[this.name]}});a.ITEM.RULE=a.ITEM.Subclass({Label:function(o,p){delete o.onmouseover,delete o.onmouseout;delete o.onmousedown;o.className+=" MathJax_MenuRule";return null}});a.About=function(){var r=b["HTML-CSS"]||{fontInUse:""};var t=(r.webFonts?"":"local "),p=(r.webFonts?" web":"");var q=(r.imgFonts?"Image":t+r.fontInUse+p)+" fonts";var o=["MathJax.js v"+MathJax.fileversion,["br"]];o.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}]);a.About.GetJax(o,MathJax.InputJax,"Input Jax");a.About.GetJax(o,MathJax.OutputJax,"Output Jax");a.About.GetJax(o,MathJax.ElementJax,"Element Jax");o.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}]);a.About.GetJax(o,MathJax.Extension,"Extension",true);o.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}],["center",{},[c.Browser+" v"+c.Browser.version+(r.webFonts?" \u2014 "+r.allowWebFonts+" fonts":"")]]);a.About.div=a.Background(a.About);var u=f.addElement(a.About.div,"div",{id:"MathJax_About",onclick:a.About.Remove},[["b",{style:{fontSize:"120%"}},["MathJax"]]," v"+MathJax.version,["br"],"using "+q,["br"],["br"],["span",{style:{display:"inline-block","text-align":"left","font-size":"80%","background-color":"#E4E4E4",padding:".4em .6em",border:"1px inset"}},o],["br"],["br"],["a",{href:"http://www.mathjax.org/"},["www.mathjax.org"]]]);var v=(document.documentElement||{});var s=window.innerHeight||v.clientHeight||v.scrollHeight||0;if(a.prototype.msieAboutBug){u.style.width="20em";u.style.position="absolute";u.style.left=Math.floor((document.documentElement.scrollWidth-u.offsetWidth)/2)+"px";u.style.top=(Math.floor((s-u.offsetHeight)/3)+document.body.scrollTop)+"px"}else{u.style.marginLeft=Math.floor(-u.offsetWidth/2)+"px";u.style.top=Math.floor((s-u.offsetHeight)/3)+"px"}};a.About.Remove=function(o){if(a.About.div){document.body.removeChild(a.About.div);delete a.About.div}};a.About.GetJax=function(p,u,s,r){var t=[];for(var v in u){if(u.hasOwnProperty(v)&&u[v]){if((r&&u[v].version)||(u[v].isa&&u[v].isa(u))){t.push((u[v].id||v)+" "+s+" v"+u[v].version)}}}t.sort();for(var q=0,o=t.length;q<o;q++){p.push(t[q],["br"])}return p};a.Help=function(){window.open(m.helpURL,"MathJaxHelp")};a.ShowSource=function(r){if(!r){r=window.event}var q={screenX:r.screenX,screenY:r.screenY};if(!a.jax){return}if(this.format==="MathML"){var o=MathJax.ElementJax.mml;if(o&&typeof(o.mbase.prototype.toMathML)!=="undefined"){try{a.ShowSource.Text(a.jax.root.toMathML(),r)}catch(p){if(!p.restart){throw p}e.After([this,a.ShowSource,q])}}else{if(!i.loadingToMathML){i.loadingToMathML=true;a.ShowSource.Window(r);e.Queue(i.Require("[MathJax]/extensions/toMathML.js"),function(){delete i.loadingToMathML;if(!o.mbase.prototype.toMathML){o.mbase.prototype.toMathML=function(){}}},[this,a.ShowSource,q]);return}}}else{if(a.jax.originalText==null){alert("No TeX form available");return}a.ShowSource.Text(a.jax.originalText,r)}};a.ShowSource.Window=function(p){if(!a.ShowSource.w){var q=[],o=m.windowSettings;for(var r in o){if(o.hasOwnProperty(r)){q.push(r+"="+o[r])}}a.ShowSource.w=window.open("","_blank",q.join(","))}return a.ShowSource.w};a.ShowSource.Text=function(u,t){var q=a.ShowSource.Window(t);u=u.replace(/^\s*/,"").replace(/\s*$/,"");u=u.replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;");if(a.isMobile){q.document.open();q.document.write("<html><head><meta name='viewport' content='width=device-width, initial-scale=1.0' /><title>MathJax Equation Source</title></head><body style='font-size:85%'>");q.document.write("<pre>"+u+"</pre>");q.document.write("<hr><input type='button' value='Close' onclick='window.close()' />");q.document.write("</body></html>");q.document.close()}else{q.document.open();q.document.write("<html><head><title>MathJax Equation Source</title></head><body style='font-size:85%'>");q.document.write("<table><tr><td><pre>"+u+"</pre></td></tr></table>");q.document.write("</body></html>");q.document.close();var s=q.document.body.firstChild;var r=(q.outerHeight-q.innerHeight)||30,p=(q.outerWidth-q.innerWidth)||30;p=Math.min(Math.floor(0.5*screen.width),s.offsetWidth+p+25);r=Math.min(Math.floor(0.5*screen.height),s.offsetHeight+r+25);q.resizeTo(p,r);if(t&&t.screenX!=null){var o=Math.max(0,Math.min(t.screenX-Math.floor(p/2),screen.width-p-20)),v=Math.max(0,Math.min(t.screenY-Math.floor(r/2),screen.height-r-20));q.moveTo(o,v)}}delete a.ShowSource.w};a.Scale=function(){var p=b["HTML-CSS"],o=b.NativeMML;var r=(p?p.config.scale:o.config.scale);var q=prompt("Scale all mathematics (compared to surrounding text) by",r+"%");if(q){if(q.match(/^\s*\d+\s*%?\s*$/)){q=parseInt(q);if(q){if(q!==r){if(p){p.config.scale=q}if(o){o.config.scale=q}a.cookie.scale=q;a.saveCookie();c.Reprocess()}}else{alert("The scale should not be zero")}}else{alert("The scale should be a perentage (e.g., 120%)")}}};a.Zoom=function(){if(!MathJax.Extension.MathZoom){i.Require("[MathJax]/extensions/MathZoom.js")}};a.Renderer=function(){var o=c.config.outputJax["jax/mml"];if(o[0]!==m.settings.renderer){e.Queue(["Require",i,"[MathJax]/jax/output/"+m.settings.renderer+"/config.js"],["Post",c.Startup.signal,m.settings.renderer+" output selected"],[function(){var r=b[m.settings.renderer];for(var q=0,p=o.length;q<p;q++){if(o[q]===r){o.splice(q,1);break}}o.unshift(r)}],["Reprocess",c])}};a.Font=function(){var o=b["HTML-CSS"];if(!o){return}document.location.reload()};c.Browser.Select({MSIE:function(o){var p=(document.compatMode==="BackCompat");var q=o.versionAtLeast("8.0")&&document.documentMode>7;a.Augment({margin:20,msieBackgroundBug:(p||!q),msieAboutBug:p});if(document.documentMode>=9){delete m.styles["#MathJax_About"].filter;delete m.styles[".MathJax_Menu"].filter}},Firefox:function(o){a.skipMouseover=o.isMobile&&o.versionAtLeast("6.0");a.skipMousedown=o.isMobile}});a.isMobile=c.Browser.isMobile;a.noContextMenu=c.Browser.noContextMenu;c.Register.StartupHook("End Config",function(){m.settings=c.config.menuSettings;if(typeof(m.settings.showRenderer)!=="undefined"){m.showRenderer=m.settings.showRenderer}if(typeof(m.settings.showFontMenu)!=="undefined"){m.showFontMenu=m.settings.showFontMenu}if(typeof(m.settings.showContext)!=="undefined"){m.showContext=m.settings.showContext}a.getCookie();a.menu=a(k.SUBMENU("Show Math As",k.COMMAND("MathML Code",a.ShowSource,{nativeTouch:true,format:"MathML"}),k.COMMAND("Original Form",a.ShowSource,{nativeTouch:true})),k.RULE(),k.SUBMENU("Math Settings",k.SUBMENU("Zoom Trigger",k.RADIO("Hover","zoom",{action:a.Zoom}),k.RADIO("Click","zoom",{action:a.Zoom}),k.RADIO("Double-Click","zoom",{action:a.Zoom}),k.RADIO("No Zoom","zoom",{value:"None"}),k.RULE(),k.LABEL("Trigger Requires:"),k.CHECKBOX((c.Browser.isMac?"Option":"Alt"),"ALT"),k.CHECKBOX("Command","CMD",{hidden:!c.Browser.isMac}),k.CHECKBOX("Control","CTRL",{hidden:c.Browser.isMac}),k.CHECKBOX("Shift","Shift")),k.SUBMENU("Zoom Factor",k.RADIO("125%","zscale"),k.RADIO("133%","zscale"),k.RADIO("150%","zscale"),k.RADIO("175%","zscale"),k.RADIO("200%","zscale"),k.RADIO("250%","zscale"),k.RADIO("300%","zscale"),k.RADIO("400%","zscale")),k.RULE(),k.SUBMENU("Math Renderer",{hidden:!m.showRenderer},k.RADIO("HTML-CSS","renderer",{action:a.Renderer}),k.RADIO("MathML","renderer",{action:a.Renderer,value:"NativeMML"})),k.SUBMENU("Font Preference",{hidden:!m.showFontMenu},k.LABEL("For HTML-CSS:"),k.RADIO("Auto","font",{action:a.Font}),k.RULE(),k.RADIO("TeX (local)","font",{action:a.Font}),k.RADIO("TeX (web)","font",{action:a.Font}),k.RADIO("TeX (image)","font",{action:a.Font}),k.RULE(),k.RADIO("STIX (local)","font",{action:a.Font})),k.SUBMENU("Contextual Menu",{hidden:!m.showContext},k.RADIO("MathJax","context"),k.RADIO("Browser","context")),k.COMMAND("Scale All Math ...",a.Scale),k.RULE(),k.CHECKBOX("Highlight on Hover","discoverable")),k.RULE(),k.COMMAND("About MathJax",a.About),k.COMMAND("MathJax Help",a.Help))});a.showRenderer=function(o){a.cookie.showRenderer=m.showRenderer=o;a.saveCookie();a.menu.Find("Math Settings","Math Renderer").hidden=!o};a.showFontMenu=function(o){a.cookie.showFontMenu=m.showFontMenu=o;a.saveCookie();a.menu.Find("Math Settings","Font Preference").hidden=!o};a.showContext=function(o){a.cookie.showContext=m.showContext=o;a.saveCookie();a.menu.Find("Math Settings","Contextual Menu").hidden=!o};if(a.isMobile){(function(){var p=m.settings;var o=a.menu.Find("Math Settings","Zoom Trigger").menu;o.items[0].disabled=o.items[1].disabled=true;if(p.zoom==="Hover"||p.zoom=="Click"){p.zoom="None"}o.items=o.items.slice(0,4);if(navigator.appVersion.match(/[ (]Android[) ]/)){a.ITEM.SUBMENU.Augment({marker:"\u00BB"})}})()}e.Queue(c.Register.StartupHook("End Config",{}),["getImages",a],["Styles",i,m.styles],["Post",c.Startup.signal,"MathMenu Ready"],["loadComplete",i,"[MathJax]/extensions/MathMenu.js"])})(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.CallBack,MathJax.OutputJax);
 
diff --git a/config/MML_HTMLorMML-full.js b/config/MML_HTMLorMML-full.js
index e67ba2338..5c3b96fae 100644
--- a/config/MML_HTMLorMML-full.js
+++ b/config/MML_HTMLorMML-full.js
@@ -42,7 +42,7 @@ MathJax.OutputJax.NativeMML=MathJax.OutputJax({id:"NativeMML",version:"1.1.9",di
 
 MathJax.Extension.mml2jax={version:"1.1.2",config:{preview:"alttext"},MMLnamespace:"http://www.w3.org/1998/Math/MathML",PreProcess:function(e){if(!this.configured){this.config=MathJax.Hub.CombineConfig("mml2jax",this.config);if(this.config.Augment){MathJax.Hub.Insert(this,this.config.Augment)}this.InitBrowser();this.configured=true}if(typeof(e)==="string"){e=document.getElementById(e)}if(!e){e=document.body}this.ProcessMathArray(e.getElementsByTagName("math"));if(e.getElementsByTagNameNS){this.ProcessMathArray(e.getElementsByTagNameNS(this.MMLnamespace,"math"))}var d=document.getElementsByTagName("html")[0];if(d){for(var c=0,b=d.attributes.length;c<b;c++){var a=d.attributes[c];if(a.nodeName.substr(0,6)==="xmlns:"&&a.nodeValue===this.MMLnamespace){this.ProcessMathArray(e.getElementsByTagName(a.nodeName.substr(6)+":math"))}}}},ProcessMathArray:function(b){var a;if(b.length){if(this.MathTagBug){for(a=b.length-1;a>=0;a--){if(b[a].nodeName==="MATH"){this.ProcessMathFlattened(b[a])}else{this.ProcessMath(b[a])}}}else{for(a=b.length-1;a>=0;a--){this.ProcessMath(b[a])}}}},ProcessMath:function(e){var d=e.parentNode;var a=document.createElement("script");a.type="math/mml";d.insertBefore(a,e);if(this.AttributeBug){var b=this.OuterHTML(e);if(this.CleanupHTML){b=b.replace(/<\?import .*?>/i,"").replace(/<\?xml:namespace .*?\/>/i,"");b=b.replace(/&nbsp;/g,"&#xA0;")}MathJax.HTML.setScript(a,b);d.removeChild(e)}else{var c=MathJax.HTML.Element("span");c.appendChild(e);MathJax.HTML.setScript(a,c.innerHTML)}if(this.config.preview!=="none"){this.createPreview(e,a)}},ProcessMathFlattened:function(f){var d=f.parentNode;var b=document.createElement("script");b.type="math/mml";d.insertBefore(b,f);var c="",e,a=f;while(f&&f.nodeName!=="/MATH"){e=f;f=f.nextSibling;c+=this.NodeHTML(e);e.parentNode.removeChild(e)}if(f&&f.nodeName==="/MATH"){f.parentNode.removeChild(f)}b.text=c+"</math>";if(this.config.preview!=="none"){this.createPreview(a,b)}},NodeHTML:function(e){var c,b,a;if(e.nodeName==="#text"){c=this.quoteHTML(e.nodeValue)}else{if(e.nodeName==="#comment"){c="<!--"+e.nodeValue+"-->"}else{c="<"+e.nodeName.toLowerCase();for(b=0,a=e.attributes.length;b<a;b++){var d=e.attributes[b];if(d.specified){c+=" "+d.nodeName.toLowerCase().replace(/xmlns:xmlns/,"xmlns")+"=";var f=d.nodeValue;if(f==null&&d.nodeName==="style"&&e.style){f=e.style.cssText}c+='"'+this.quoteHTML(f)+'"'}}c+=">";if(e.outerHTML!=null&&e.outerHTML.match(/(.<\/[A-Z]+>|\/>)$/)){for(b=0,a=e.childNodes.length;b<a;b++){c+=this.OuterHTML(e.childNodes[b])}c+="</"+e.nodeName.toLowerCase()+">"}}}return c},OuterHTML:function(d){if(d.nodeName.charAt(0)==="#"){return this.NodeHTML(d)}if(!this.AttributeBug){return d.outerHTML}var c=this.NodeHTML(d);for(var b=0,a=d.childNodes.length;b<a;b++){c+=this.OuterHTML(d.childNodes[b])}c+="</"+d.nodeName.toLowerCase()+">";return c},quoteHTML:function(a){if(a==null){a=""}return a.replace(/&/g,"&#x26;").replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/"/g,"&quot;")},createPreview:function(b,a){var c;if(this.config.preview==="alttext"){var d=b.getAttribute("alttext");if(d!=null){c=[this.filterText(d)]}}else{if(this.config.preview instanceof Array){c=this.config.preview}}if(c){c=MathJax.HTML.Element("span",{className:MathJax.Hub.config.preRemoveClass},c);a.parentNode.insertBefore(c,a)}},filterText:function(a){return a},InitBrowser:function(){var b=MathJax.HTML.Element("span",{id:"<",className:"mathjax",innerHTML:"<math><mi>x</mi><mspace /></math>"});var a=b.outerHTML||"";this.AttributeBug=a!==""&&!(a.match(/id="&lt;"/)&&a.match(/class="mathjax"/)&&a.match(/<\/math>/));this.MathTagBug=b.childNodes.length>1;this.CleanupHTML=MathJax.Hub.Browser.isMSIE}};MathJax.Hub.Register.PreProcessor(["PreProcess",MathJax.Extension.mml2jax]);MathJax.Ajax.loadComplete("[MathJax]/extensions/mml2jax.js");
 
-(function(a,d,f,c,j){var k="1.1.3";var i=a.CombineConfig("MathZoom",{styles:{"#MathJax_Zoom":{position:"absolute","background-color":"#F0F0F0",overflow:"auto",display:"block","z-index":301,padding:".5em",border:"1px solid black",margin:0,"font-family":"serif","font-size":"85%","font-weight":"normal","font-style":"normal","text-align":"left","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","box-shadow":"5px 5px 15px #AAAAAA","-webkit-box-shadow":"5px 5px 15px #AAAAAA","-moz-box-shadow":"5px 5px 15px #AAAAAA","-khtml-box-shadow":"5px 5px 15px #AAAAAA",filter:"dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},"#MathJax_ZoomOverlay":{position:"absolute",left:0,top:0,"z-index":300,display:"inline-block",width:"100%",height:"100%",border:0,padding:0,margin:0,"background-color":"white",opacity:0,filter:"alpha(opacity=0)"}}});var e,b,g;MathJax.Hub.Register.StartupHook("MathEvents Ready",function(){g=MathJax.Extension.MathEvents.Event;e=MathJax.Extension.MathEvents.Event.False;b=MathJax.Extension.MathEvents.Hover});var h=MathJax.Extension.MathZoom={version:k,settings:a.config.menuSettings,HandleEvent:function(n,l,m){if(h.settings.CTRL&&!n.ctrlKey){return true}if(h.settings.ALT&&!n.altKey){return true}if(h.settings.CMD&&!n.metaKey){return true}if(h.settings.Shift&&!n.shiftKey){return true}if(!h[l]){return true}return h[l](n,m)},Click:function(m,l){if(this.settings.zoom==="Click"){return this.Zoom(m,l)}},DblClick:function(m,l){if(this.settings.zoom==="Double-Click"){return this.Zoom(m,l)}},Hover:function(m,l){if(this.settings.zoom==="Hover"){this.Zoom(m,l);return true}return false},Zoom:function(n,t){this.Remove();b.ClearHoverTimer();g.ClearSelection();var q=MathJax.OutputJax[t.jaxID];var o=q.getJaxFromMath(t),s=o.root;if(o.hover){b.UnHover(o)}var l=Math.floor(0.85*document.body.clientWidth),r=Math.floor(0.85*document.body.clientHeight);var m=d.Element("span",{style:{position:"relative",display:"inline-block",height:0,width:0},id:"MathJax_ZoomFrame"},[["span",{id:"MathJax_ZoomOverlay",onmousedown:this.Remove}],["span",{id:"MathJax_Zoom",onclick:this.Remove,style:{visibility:"hidden",fontSize:this.settings.zscale,"max-width":l+"px","max-height":r+"px"}},[["span",{style:{display:"inline-block","white-space":"nowrap"}}]]]]);var x=m.lastChild,v=x.firstChild,p=m.firstChild;t.parentNode.insertBefore(m,t);if(v.addEventListener){v.addEventListener("mousedown",this.Remove,true)}if(this.msieZIndexBug){var u=d.addElement(document.body,"img",{src:"about:blank",id:"MathJax_ZoomTracker",width:0,height:0,style:{width:0,height:0,position:"relative"}});m.style.position="relative";m.style.zIndex=i.styles["#MathJax_ZoomOverlay"]["z-index"];m=u}var w=q.Zoom(s,v,t,l,r);if(this.msiePositionBug){if(this.msieSizeBug){x.style.height=w.zH+"px";x.style.width=w.zW+"px"}if(x.offsetHeight>r){x.style.height=r+"px";v.style.marginRight="16px"}if(x.offsetWidth>l){x.style.width=l+"px";v.style.marginBottom="16px"}}if(this.operaPositionBug){x.style.width=Math.min(l,w.zW)+"px"}if(x.offsetWidth<l&&x.offsetHeight<r){x.style.overflow="visible"}this.Position(x,w);x.style.visibility="";if(this.settings.zoom==="Hover"){p.onmouseover=this.Remove}if(window.addEventListener){addEventListener("resize",this.Resize,false)}else{if(window.attachEvent){attachEvent("onresize",this.Resize)}else{this.onresize=window.onresize;window.onresize=this.Resize}}return e(n)},Position:function(p,r){var q=this.Resize(),m=q.x,s=q.y,l=r.mW;var o=-Math.floor((p.offsetWidth-l)/2),n=r.Y;p.style.left=Math.max(o,10-m)+"px";p.style.top=Math.max(n,10-s)+"px"},Resize:function(n){if(h.onresize){h.onresize(n)}var l=0,q=0,p=document.getElementById("MathJax_ZoomFrame"),o=p,m=document.getElementById("MathJax_ZoomOverlay");if(h.operaPositionBug){p.style.border="1px solid"}if(o.offsetParent){do{l+=o.offsetLeft;q+=o.offsetTop}while(o=o.offsetParent)}if(h.operaPositionBug){p.style.border=""}m.style.left=(-l)+"px";m.style.top=(-q)+"px";if(h.msiePositionBug){setTimeout(h.SetWH,0)}else{h.SetWH()}return{x:l,y:q}},SetWH:function(){var l=document.getElementById("MathJax_ZoomOverlay");l.style.width=l.style.height="1px";l.style.width=document.body.scrollWidth+"px";l.style.height=document.body.scrollHeight+"px"},Remove:function(m){var n=document.getElementById("MathJax_ZoomFrame");if(n){n.parentNode.removeChild(n);n=document.getElementById("MathJax_ZoomTracker");if(n){n.parentNode.removeChild(n)}if(h.operaRefreshBug){var l=d.addElement(document.body,"div",{style:{position:"fixed",left:0,top:0,width:"100%",height:"100%",backgroundColor:"white",opacity:0},id:"MathJax_OperaDiv"});document.body.removeChild(l)}if(window.removeEventListener){removeEventListener("resize",h.Resize,false)}else{if(window.detachEvent){detachEvent("onresize",h.Resize)}else{window.onresize=h.onresize;delete h.onresize}}}return e(m)}};a.Browser.Select({MSIE:function(l){var n=(document.documentMode||0);var m=(n>=9);h.msiePositionBug=!m;h.msieSizeBug=l.versionAtLeast("7.0")&&(!document.documentMode||n===7||n===8);h.msieZIndexBug=(n<=7);h.msieInlineBlockAlignBug=(n<=7);if(m){delete i.styles["#MathJax_Zoom"].filter}},Opera:function(l){h.operaPositionBug=true;h.operaRefreshBug=true}});h.topImg=(h.msieInlineBlockAlignBug?d.Element("img",{style:{width:0,height:0,position:"relative"},src:"about:blank"}):d.Element("span",{style:{width:0,height:0,display:"inline-block"}}));if(h.operaPositionBug||h.msieTopBug){h.topImg.style.border="1px solid"}MathJax.Callback.Queue(["StartupHook",MathJax.Hub.Register,"Begin Styles",{}],["Styles",f,i.styles],["Post",a.Startup.signal,"MathZoom Ready"],["loadComplete",f,"[MathJax]/extensions/MathZoom.js"])})(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.OutputJax["HTML-CSS"],MathJax.OutputJax.NativeMML);
+(function(a,d,f,c,j){var k="1.1.3";var i=a.CombineConfig("MathZoom",{styles:{"#MathJax_Zoom":{position:"absolute","background-color":"#F0F0F0",overflow:"auto",display:"block","z-index":301,padding:".5em",border:"1px solid black",margin:0,"font-family":"serif","font-size":"85%","font-weight":"normal","font-style":"normal","text-align":"left","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","box-shadow":"5px 5px 15px #AAAAAA","-webkit-box-shadow":"5px 5px 15px #AAAAAA","-moz-box-shadow":"5px 5px 15px #AAAAAA","-khtml-box-shadow":"5px 5px 15px #AAAAAA",filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},"#MathJax_ZoomOverlay":{position:"absolute",left:0,top:0,"z-index":300,display:"inline-block",width:"100%",height:"100%",border:0,padding:0,margin:0,"background-color":"white",opacity:0,filter:"alpha(opacity=0)"},"#MathJax_ZoomEventTrap":{position:"absolute",left:0,top:0,"z-index":302,display:"inline-block",border:0,padding:0,margin:0,"background-color":"white",opacity:0,filter:"alpha(opacity=0)"}}});var e,b,g;MathJax.Hub.Register.StartupHook("MathEvents Ready",function(){g=MathJax.Extension.MathEvents.Event;e=MathJax.Extension.MathEvents.Event.False;b=MathJax.Extension.MathEvents.Hover});var h=MathJax.Extension.MathZoom={version:k,settings:a.config.menuSettings,scrollSize:18,HandleEvent:function(n,l,m){if(h.settings.CTRL&&!n.ctrlKey){return true}if(h.settings.ALT&&!n.altKey){return true}if(h.settings.CMD&&!n.metaKey){return true}if(h.settings.Shift&&!n.shiftKey){return true}if(!h[l]){return true}return h[l](n,m)},Click:function(m,l){if(this.settings.zoom==="Click"){return this.Zoom(m,l)}},DblClick:function(m,l){if(this.settings.zoom==="Double-Click"){return this.Zoom(m,l)}},Hover:function(m,l){if(this.settings.zoom==="Hover"){this.Zoom(m,l);return true}return false},Zoom:function(n,t){this.Remove();b.ClearHoverTimer();g.ClearSelection();var q=MathJax.OutputJax[t.jaxID];var o=q.getJaxFromMath(t),s=o.root;if(o.hover){b.UnHover(o)}var l=Math.floor(0.85*document.body.clientWidth),r=Math.floor(0.85*document.body.clientHeight);var m=d.Element("span",{style:{position:"relative",display:"inline-block",height:0,width:0},id:"MathJax_ZoomFrame"},[["span",{id:"MathJax_ZoomOverlay",onmousedown:this.Remove}],["span",{id:"MathJax_Zoom",onclick:this.Remove,style:{visibility:"hidden",fontSize:this.settings.zscale,"max-width":l+"px","max-height":r+"px"}},[["span",{style:{display:"inline-block","white-space":"nowrap"}}]]]]);var y=m.lastChild,v=y.firstChild,p=m.firstChild;t.parentNode.insertBefore(m,t);if(v.addEventListener){v.addEventListener("mousedown",this.Remove,true)}if(this.msieTrapEventBug){var x=d.Element("span",{id:"MathJax_ZoomEventTrap",onmousedown:this.Remove});m.insertBefore(x,y)}if(this.msieZIndexBug){var u=d.addElement(document.body,"img",{src:"about:blank",id:"MathJax_ZoomTracker",width:0,height:0,style:{width:0,height:0,position:"relative"}});m.style.position="relative";m.style.zIndex=i.styles["#MathJax_ZoomOverlay"]["z-index"];m=u}var w=q.Zoom(s,v,t,l,r);if(this.msiePositionBug){if(this.msieSizeBug){y.style.height=w.zH+"px";y.style.width=w.zW+"px"}if(y.offsetHeight>r){y.style.height=r+"px";y.style.width=(w.zW+this.scrollSize)+"px"}if(y.offsetWidth>l){y.style.width=l+"px";y.style.height=(w.zH+this.scrollSize)+"px"}}if(this.operaPositionBug){y.style.width=Math.min(l,w.zW)+"px"}if(y.offsetWidth<l&&y.offsetHeight<r){y.style.overflow="visible"}this.Position(y,w);if(this.msieTrapEventBug){x.style.height=y.clientHeight+"px";x.style.width=y.clientWidth+"px";x.style.left=(parseFloat(y.style.left)+y.clientLeft)+"px";x.style.top=(parseFloat(y.style.top)+y.clientTop)+"px"}y.style.visibility="";if(this.settings.zoom==="Hover"){p.onmouseover=this.Remove}if(window.addEventListener){addEventListener("resize",this.Resize,false)}else{if(window.attachEvent){attachEvent("onresize",this.Resize)}else{this.onresize=window.onresize;window.onresize=this.Resize}}return e(n)},Position:function(p,r){var q=this.Resize(),m=q.x,s=q.y,l=r.mW;var o=-Math.floor((p.offsetWidth-l)/2),n=r.Y;p.style.left=Math.max(o,10-m)+"px";p.style.top=Math.max(n,10-s)+"px"},Resize:function(n){if(h.onresize){h.onresize(n)}var l=0,q=0,p=document.getElementById("MathJax_ZoomFrame"),o=p,m=document.getElementById("MathJax_ZoomOverlay");if(h.operaPositionBug){p.style.border="1px solid"}if(o.offsetParent){do{l+=o.offsetLeft;q+=o.offsetTop}while(o=o.offsetParent)}if(h.operaPositionBug){p.style.border=""}m.style.left=(-l)+"px";m.style.top=(-q)+"px";if(h.msiePositionBug){setTimeout(h.SetWH,0)}else{h.SetWH()}return{x:l,y:q}},SetWH:function(){var l=document.getElementById("MathJax_ZoomOverlay");l.style.width=l.style.height="1px";l.style.width=document.body.scrollWidth+"px";l.style.height=document.body.scrollHeight+"px"},Remove:function(m){var n=document.getElementById("MathJax_ZoomFrame");if(n){n.parentNode.removeChild(n);n=document.getElementById("MathJax_ZoomTracker");if(n){n.parentNode.removeChild(n)}if(h.operaRefreshBug){var l=d.addElement(document.body,"div",{style:{position:"fixed",left:0,top:0,width:"100%",height:"100%",backgroundColor:"white",opacity:0},id:"MathJax_OperaDiv"});document.body.removeChild(l)}if(window.removeEventListener){removeEventListener("resize",h.Resize,false)}else{if(window.detachEvent){detachEvent("onresize",h.Resize)}else{window.onresize=h.onresize;delete h.onresize}}}return e(m)}};a.Browser.Select({MSIE:function(l){var n=(document.documentMode||0);var m=(n>=9);h.msiePositionBug=!m;h.msieSizeBug=l.versionAtLeast("7.0")&&(!document.documentMode||n===7||n===8);h.msieZIndexBug=(n<=7);h.msieInlineBlockAlignBug=(n<=7);h.msieTrapEventBug=!window.addEventListener;if(document.compatMode==="BackCompat"){h.scrollSize=52}if(m){delete i.styles["#MathJax_Zoom"].filter}},Opera:function(l){h.operaPositionBug=true;h.operaRefreshBug=true}});h.topImg=(h.msieInlineBlockAlignBug?d.Element("img",{style:{width:0,height:0,position:"relative"},src:"about:blank"}):d.Element("span",{style:{width:0,height:0,display:"inline-block"}}));if(h.operaPositionBug||h.msieTopBug){h.topImg.style.border="1px solid"}MathJax.Callback.Queue(["StartupHook",MathJax.Hub.Register,"Begin Styles",{}],["Styles",f,i.styles],["Post",a.Startup.signal,"MathZoom Ready"],["loadComplete",f,"[MathJax]/extensions/MathZoom.js"])})(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.OutputJax["HTML-CSS"],MathJax.OutputJax.NativeMML);
 
 (function(c,f,i,e,b){var n="1.1.8";MathJax.Extension.MathMenu={version:n};var l=c.Browser.isPC,j=c.Browser.isMSIE;var h=(l?null:"5px");var m=c.CombineConfig("MathMenu",{delay:150,helpURL:"http://www.mathjax.org/help/user/",closeImg:i.fileURL(b.imageDir+"/CloseX-31.png"),showRenderer:true,showFontMenu:false,showContext:false,windowSettings:{status:"no",toolbar:"no",locationbar:"no",menubar:"no",directories:"no",personalbar:"no",resizable:"yes",scrollbars:"yes",width:100,height:50},styles:{"#MathJax_About":{position:"fixed",left:"50%",width:"auto","text-align":"center",border:"3px outset",padding:"1em 2em","background-color":"#DDDDDD",color:"black",cursor:"default","font-family":"message-box","font-size":"120%","font-style":"normal","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","z-index":201,"border-radius":"15px","-webkit-border-radius":"15px","-moz-border-radius":"15px","-khtml-border-radius":"15px","box-shadow":"0px 10px 20px #808080","-webkit-box-shadow":"0px 10px 20px #808080","-moz-box-shadow":"0px 10px 20px #808080","-khtml-box-shadow":"0px 10px 20px #808080",filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},".MathJax_Menu":{position:"absolute","background-color":"white",color:"black",width:"auto",padding:(l?"2px":"5px 0px"),border:"1px solid #CCCCCC",margin:0,cursor:"default",font:"menu","text-align":"left","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","z-index":201,"border-radius":h,"-webkit-border-radius":h,"-moz-border-radius":h,"-khtml-border-radius":h,"box-shadow":"0px 10px 20px #808080","-webkit-box-shadow":"0px 10px 20px #808080","-moz-box-shadow":"0px 10px 20px #808080","-khtml-box-shadow":"0px 10px 20px #808080",filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},".MathJax_MenuItem":{padding:(l?"2px 2em":"1px 2em"),background:"transparent"},".MathJax_MenuTitle":{"background-color":"#CCCCCC",margin:(l?"-1px -1px 1px -1px":"-5px 0 0 0"),"text-align":"center","font-style":"italic","font-size":"80%",color:"#444444",padding:"2px 0",overflow:"hidden"},".MathJax_MenuArrow":{position:"absolute",right:".5em",color:"#666666","font-family":(j?"'Arial unicode MS'":null)},".MathJax_MenuActive .MathJax_MenuArrow":{color:"white"},".MathJax_MenuCheck":{position:"absolute",left:".7em","font-family":(j?"'Arial unicode MS'":null)},".MathJax_MenuRadioCheck":{position:"absolute",left:(l?"1em":".7em")},".MathJax_MenuLabel":{padding:(l?"2px 2em 4px 1.33em":"1px 2em 3px 1.33em"),"font-style":"italic"},".MathJax_MenuRule":{"border-top":(l?"1px solid #CCCCCC":"1px solid #DDDDDD"),margin:(l?"4px 1px 0px":"4px 3px")},".MathJax_MenuDisabled":{color:"GrayText"},".MathJax_MenuActive":{"background-color":(l?"Highlight":"#606872"),color:(l?"HighlightText":"white")},".MathJax_Menu_Close":{position:"absolute",width:"31px",height:"31px",top:"-15px",left:"-15px"}}});var g,d;c.Register.StartupHook("MathEvents Ready",function(){g=MathJax.Extension.MathEvents.Event.False;d=MathJax.Extension.MathEvents.Hover});var a=MathJax.Menu=MathJax.Object.Subclass({version:n,items:[],posted:false,title:null,margin:5,Init:function(o){this.items=[].slice.call(arguments,0)},With:function(o){if(o){c.Insert(this,o)}return this},Post:function(p,z){if(!p){p=window.event}var v=(!this.title?null:[["div",{className:"MathJax_MenuTitle"},[this.title]]]);var o=document.getElementById("MathJax_MenuFrame");if(!o){o=a.Background(this);delete k.lastItem;delete k.lastMenu;delete a.skipUp}var q=f.addElement(o,"div",{onmouseup:a.Mouseup,ondblclick:g,ondragstart:g,onselectstart:g,oncontextmenu:g,menuItem:this,className:"MathJax_Menu"},v);for(var s=0,r=this.items.length;s<r;s++){this.items[s].Create(q)}if(a.isMobile){f.addElement(q,"img",{className:"MathJax_Menu_Close",menu:z,src:m.closeImg,ontouchstart:a.Close,ontouchend:g,onmousedown:a.Close})}this.posted=true;q.style.width=(q.offsetWidth+2)+"px";var w=p.pageX,u=p.pageY;if(!w&&!u){w=p.clientX+document.body.scrollLeft+document.documentElement.scrollLeft;u=p.clientY+document.body.scrollTop+document.documentElement.scrollTop}if(!z){if(w+q.offsetWidth>document.body.offsetWidth-this.margin){w=document.body.offsetWidth-q.offsetWidth-this.margin}if(a.isMobile){w=Math.max(5,w-Math.floor(q.offsetWidth/2));u-=20}a.skipUp=p.isContextMenu}else{var t="left",A=z.offsetWidth;w=(a.isMobile?30:A-2);u=0;while(z&&z!==o){w+=z.offsetLeft;u+=z.offsetTop;z=z.parentNode}if(w+q.offsetWidth>document.body.offsetWidth-this.margin&&!a.isMobile){t="right";w=Math.max(this.margin,w-A-q.offsetWidth+6)}if(!l){q.style["borderRadiusTop"+t]=0;q.style["WebkitBorderRadiusTop"+t]=0;q.style["MozBorderRadiusTop"+t]=0;q.style["KhtmlBorderRadiusTop"+t]=0}}q.style.left=w+"px";q.style.top=u+"px";if(document.selection&&document.selection.empty){document.selection.empty()}return g(p)},Remove:function(o,p){var q=document.getElementById("MathJax_MenuFrame");if(q){q.parentNode.removeChild(q);if(this.msieBackgroundBug){detachEvent("onresize",a.Resize)}}if(a.jax.hover){delete a.jax.hover.nofade;d.UnHover(a.jax)}},Find:function(p){var r=[].slice.call(arguments,1);for(var q=0,o=this.items.length;q<o;q++){if(this.items[q].name===p){if(r.length){if(!this.items[q].menu){return null}return this.items[q].menu.Find.apply(this.items[q].menu,r)}return this.items[q]}}return null}},{config:m,div:null,Close:function(o){return a.Event(o,this.menu||this.parentNode,(this.menu?"Touchend":"Remove"))},Remove:function(o){return a.Event(o,this,"Remove")},Mouseover:function(o){return a.Event(o,this,"Mouseover")},Mouseout:function(o){return a.Event(o,this,"Mouseout")},Mousedown:function(o){return a.Event(o,this,"Mousedown")},Mouseup:function(o){return a.Event(o,this,"Mouseup")},Touchstart:function(o){return a.Event(o,this,"Touchstart")},Touchend:function(o){return a.Event(o,this,"Touchend")},Event:function(q,s,o,r){if(a.skipMouseover&&o==="Mouseover"&&!r){return g(q)}if(a.skipUp){if(o.match(/Mouseup|Touchend/)){delete a.skipUp;return g(q)}if(o==="Touchstart"||(o==="Mousedown"&&!a.skipMousedown)){delete a.skipUp}}if(!q){q=window.event}var p=s.menuItem;if(p&&p[o]){return p[o](q,s)}return null},BGSTYLE:{position:"absolute",left:0,top:0,"z-index":200,width:"100%",height:"100%",border:0,padding:0,margin:0},Background:function(p){var q=f.addElement(document.body,"div",{style:this.BGSTYLE,id:"MathJax_MenuFrame"},[["div",{style:this.BGSTYLE,menuItem:p,onmousedown:this.Remove}]]);var o=q.firstChild;if(p.msieBackgroundBug){o.style.backgroundColor="white";o.style.filter="alpha(opacity=0)";q.width=q.height=0;this.Resize();attachEvent("onresize",this.Resize)}else{o.style.position="fixed"}return q},Resize:function(){setTimeout(a.SetWH,0)},SetWH:function(){var o=document.getElementById("MathJax_MenuFrame");if(o){o=o.firstChild;o.style.width=o.style.height="1px";o.style.width=document.body.scrollWidth+"px";o.style.height=document.body.scrollHeight+"px"}},saveCookie:function(){f.Cookie.Set("menu",this.cookie)},getCookie:function(){this.cookie=f.Cookie.Get("menu")},getImages:function(){if(a.isMobile){var o=new Image();o.src=m.closeImg}}});var k=a.ITEM=MathJax.Object.Subclass({name:"",Create:function(p){if(!this.hidden){var o={onmouseover:a.Mouseover,onmouseout:a.Mouseout,onmouseup:a.Mouseup,onmousedown:a.Mousedown,ondragstart:g,onselectstart:g,onselectend:g,ontouchstart:a.Touchstart,ontouchend:a.Touchend,className:"MathJax_MenuItem",menuItem:this};if(this.disabled){o.className+=" MathJax_MenuDisabled"}f.addElement(p,"div",o,this.Label(o,p))}},Mouseover:function(s,u){if(!this.disabled){this.Activate(u)}if(!this.menu||!this.menu.posted){var t=document.getElementById("MathJax_MenuFrame").childNodes,p=u.parentNode.childNodes;for(var q=0,o=p.length;q<o;q++){var r=p[q].menuItem;if(r&&r.menu&&r.menu.posted){r.Deactivate(p[q])}}o=t.length-1;while(o>=0&&u.parentNode.menuItem!==t[o].menuItem){t[o].menuItem.posted=false;t[o].parentNode.removeChild(t[o]);o--}if(this.Timer&&!a.isMobile){this.Timer(s,u)}}},Mouseout:function(o,p){if(!this.menu||!this.menu.posted){this.Deactivate(p)}if(this.timer){clearTimeout(this.timer);delete this.timer}},Mouseup:function(o,p){return this.Remove(o,p)},Touchstart:function(o,p){return this.TouchEvent(o,p,"Mousedown")},Touchend:function(o,p){return this.TouchEvent(o,p,"Mouseup")},TouchEvent:function(p,q,o){if(this!==k.lastItem){if(k.lastMenu){a.Event(p,k.lastMenu,"Mouseout")}a.Event(p,q,"Mouseover",true);k.lastItem=this;k.lastMenu=q}if(this.nativeTouch){return null}a.Event(p,q,o);return false},Remove:function(o,p){p=p.parentNode.menuItem;return p.Remove(o,p)},Activate:function(o){this.Deactivate(o);o.className+=" MathJax_MenuActive"},Deactivate:function(o){o.className=o.className.replace(/ MathJax_MenuActive/,"")},With:function(o){if(o){c.Insert(this,o)}return this}});a.ITEM.COMMAND=a.ITEM.Subclass({action:function(){},Init:function(o,q,p){this.name=o;this.action=q;this.With(p)},Label:function(o,p){return[this.name]},Mouseup:function(o,p){if(!this.disabled){this.Remove(o,p);this.action.call(this,o)}return g(o)}});a.ITEM.SUBMENU=a.ITEM.Subclass({menu:null,marker:(l&&!c.Browser.isSafari?"\u25B6":"\u25B8"),Init:function(o,q){this.name=o;var p=1;if(!(q instanceof a.ITEM)){this.With(q),p++}this.menu=a.apply(a,[].slice.call(arguments,p))},Label:function(o,p){this.menu.posted=false;return[this.name+" ",["span",{className:"MathJax_MenuArrow"},[this.marker]]]},Timer:function(o,p){if(this.timer){clearTimeout(this.timer)}o={clientX:o.clientX,clientY:o.clientY};this.timer=setTimeout(e(["Mouseup",this,o,p]),m.delay)},Touchend:function(p,r){var q=this.menu.posted;var o=this.SUPER(arguments).Touchend.apply(this,arguments);if(q){this.Deactivate(r);delete k.lastItem;delete k.lastMenu}return o},Mouseup:function(p,r){if(!this.disabled){if(!this.menu.posted){if(this.timer){clearTimeout(this.timer);delete this.timer}this.menu.Post(p,r)}else{var q=document.getElementById("MathJax_MenuFrame").childNodes,o=q.length-1;while(o>=0){var s=q[o];s.menuItem.posted=false;s.parentNode.removeChild(s);if(s.menuItem===this.menu){break}o--}}}return g(p)}});a.ITEM.RADIO=a.ITEM.Subclass({variable:null,marker:(l?"\u25CF":"\u2713"),Init:function(p,o,q){this.name=p;this.variable=o;this.With(q);if(this.value==null){this.value=this.name}},Label:function(p,q){var o={className:"MathJax_MenuRadioCheck"};if(m.settings[this.variable]!==this.value){o={style:{display:"none"}}}return[["span",o,[this.marker]]," "+this.name]},Mouseup:function(r,s){if(!this.disabled){var t=s.parentNode.childNodes;for(var p=0,o=t.length;p<o;p++){var q=t[p].menuItem;if(q&&q.variable===this.variable){t[p].firstChild.style.display="none"}}s.firstChild.display="";m.settings[this.variable]=this.value;a.cookie[this.variable]=m.settings[this.variable];a.saveCookie();if(this.action){this.action.call(a)}}this.Remove(r,s);return g(r)}});a.ITEM.CHECKBOX=a.ITEM.Subclass({variable:null,marker:"\u2713",Init:function(p,o,q){this.name=p;this.variable=o;this.With(q)},Label:function(p,q){var o={className:"MathJax_MenuCheck"};if(!m.settings[this.variable]){o={style:{display:"none"}}}return[["span",o,[this.marker]]," "+this.name]},Mouseup:function(o,p){if(!this.disabled){p.firstChild.display=(m.settings[this.variable]?"none":"");m.settings[this.variable]=!m.settings[this.variable];a.cookie[this.variable]=m.settings[this.variable];a.saveCookie();if(this.action){this.action.call(a)}}this.Remove(o,p);return g(o)}});a.ITEM.LABEL=a.ITEM.Subclass({Init:function(o,p){this.name=o;this.With(p)},Label:function(o,p){delete o.onmouseover,delete o.onmouseout;delete o.onmousedown;o.className+=" MathJax_MenuLabel";return[this.name]}});a.ITEM.RULE=a.ITEM.Subclass({Label:function(o,p){delete o.onmouseover,delete o.onmouseout;delete o.onmousedown;o.className+=" MathJax_MenuRule";return null}});a.About=function(){var r=b["HTML-CSS"]||{fontInUse:""};var t=(r.webFonts?"":"local "),p=(r.webFonts?" web":"");var q=(r.imgFonts?"Image":t+r.fontInUse+p)+" fonts";var o=["MathJax.js v"+MathJax.fileversion,["br"]];o.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}]);a.About.GetJax(o,MathJax.InputJax,"Input Jax");a.About.GetJax(o,MathJax.OutputJax,"Output Jax");a.About.GetJax(o,MathJax.ElementJax,"Element Jax");o.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}]);a.About.GetJax(o,MathJax.Extension,"Extension",true);o.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}],["center",{},[c.Browser+" v"+c.Browser.version+(r.webFonts?" \u2014 "+r.allowWebFonts+" fonts":"")]]);a.About.div=a.Background(a.About);var u=f.addElement(a.About.div,"div",{id:"MathJax_About",onclick:a.About.Remove},[["b",{style:{fontSize:"120%"}},["MathJax"]]," v"+MathJax.version,["br"],"using "+q,["br"],["br"],["span",{style:{display:"inline-block","text-align":"left","font-size":"80%","background-color":"#E4E4E4",padding:".4em .6em",border:"1px inset"}},o],["br"],["br"],["a",{href:"http://www.mathjax.org/"},["www.mathjax.org"]]]);var v=(document.documentElement||{});var s=window.innerHeight||v.clientHeight||v.scrollHeight||0;if(a.prototype.msieAboutBug){u.style.width="20em";u.style.position="absolute";u.style.left=Math.floor((document.documentElement.scrollWidth-u.offsetWidth)/2)+"px";u.style.top=(Math.floor((s-u.offsetHeight)/3)+document.body.scrollTop)+"px"}else{u.style.marginLeft=Math.floor(-u.offsetWidth/2)+"px";u.style.top=Math.floor((s-u.offsetHeight)/3)+"px"}};a.About.Remove=function(o){if(a.About.div){document.body.removeChild(a.About.div);delete a.About.div}};a.About.GetJax=function(p,u,s,r){var t=[];for(var v in u){if(u.hasOwnProperty(v)&&u[v]){if((r&&u[v].version)||(u[v].isa&&u[v].isa(u))){t.push((u[v].id||v)+" "+s+" v"+u[v].version)}}}t.sort();for(var q=0,o=t.length;q<o;q++){p.push(t[q],["br"])}return p};a.Help=function(){window.open(m.helpURL,"MathJaxHelp")};a.ShowSource=function(r){if(!r){r=window.event}var q={screenX:r.screenX,screenY:r.screenY};if(!a.jax){return}if(this.format==="MathML"){var o=MathJax.ElementJax.mml;if(o&&typeof(o.mbase.prototype.toMathML)!=="undefined"){try{a.ShowSource.Text(a.jax.root.toMathML(),r)}catch(p){if(!p.restart){throw p}e.After([this,a.ShowSource,q])}}else{if(!i.loadingToMathML){i.loadingToMathML=true;a.ShowSource.Window(r);e.Queue(i.Require("[MathJax]/extensions/toMathML.js"),function(){delete i.loadingToMathML;if(!o.mbase.prototype.toMathML){o.mbase.prototype.toMathML=function(){}}},[this,a.ShowSource,q]);return}}}else{if(a.jax.originalText==null){alert("No TeX form available");return}a.ShowSource.Text(a.jax.originalText,r)}};a.ShowSource.Window=function(p){if(!a.ShowSource.w){var q=[],o=m.windowSettings;for(var r in o){if(o.hasOwnProperty(r)){q.push(r+"="+o[r])}}a.ShowSource.w=window.open("","_blank",q.join(","))}return a.ShowSource.w};a.ShowSource.Text=function(u,t){var q=a.ShowSource.Window(t);u=u.replace(/^\s*/,"").replace(/\s*$/,"");u=u.replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;");if(a.isMobile){q.document.open();q.document.write("<html><head><meta name='viewport' content='width=device-width, initial-scale=1.0' /><title>MathJax Equation Source</title></head><body style='font-size:85%'>");q.document.write("<pre>"+u+"</pre>");q.document.write("<hr><input type='button' value='Close' onclick='window.close()' />");q.document.write("</body></html>");q.document.close()}else{q.document.open();q.document.write("<html><head><title>MathJax Equation Source</title></head><body style='font-size:85%'>");q.document.write("<table><tr><td><pre>"+u+"</pre></td></tr></table>");q.document.write("</body></html>");q.document.close();var s=q.document.body.firstChild;var r=(q.outerHeight-q.innerHeight)||30,p=(q.outerWidth-q.innerWidth)||30;p=Math.min(Math.floor(0.5*screen.width),s.offsetWidth+p+25);r=Math.min(Math.floor(0.5*screen.height),s.offsetHeight+r+25);q.resizeTo(p,r);if(t&&t.screenX!=null){var o=Math.max(0,Math.min(t.screenX-Math.floor(p/2),screen.width-p-20)),v=Math.max(0,Math.min(t.screenY-Math.floor(r/2),screen.height-r-20));q.moveTo(o,v)}}delete a.ShowSource.w};a.Scale=function(){var p=b["HTML-CSS"],o=b.NativeMML;var r=(p?p.config.scale:o.config.scale);var q=prompt("Scale all mathematics (compared to surrounding text) by",r+"%");if(q){if(q.match(/^\s*\d+\s*%?\s*$/)){q=parseInt(q);if(q){if(q!==r){if(p){p.config.scale=q}if(o){o.config.scale=q}a.cookie.scale=q;a.saveCookie();c.Reprocess()}}else{alert("The scale should not be zero")}}else{alert("The scale should be a perentage (e.g., 120%)")}}};a.Zoom=function(){if(!MathJax.Extension.MathZoom){i.Require("[MathJax]/extensions/MathZoom.js")}};a.Renderer=function(){var o=c.config.outputJax["jax/mml"];if(o[0]!==m.settings.renderer){e.Queue(["Require",i,"[MathJax]/jax/output/"+m.settings.renderer+"/config.js"],["Post",c.Startup.signal,m.settings.renderer+" output selected"],[function(){var r=b[m.settings.renderer];for(var q=0,p=o.length;q<p;q++){if(o[q]===r){o.splice(q,1);break}}o.unshift(r)}],["Reprocess",c])}};a.Font=function(){var o=b["HTML-CSS"];if(!o){return}document.location.reload()};c.Browser.Select({MSIE:function(o){var p=(document.compatMode==="BackCompat");var q=o.versionAtLeast("8.0")&&document.documentMode>7;a.Augment({margin:20,msieBackgroundBug:(p||!q),msieAboutBug:p});if(document.documentMode>=9){delete m.styles["#MathJax_About"].filter;delete m.styles[".MathJax_Menu"].filter}},Firefox:function(o){a.skipMouseover=o.isMobile&&o.versionAtLeast("6.0");a.skipMousedown=o.isMobile}});a.isMobile=c.Browser.isMobile;a.noContextMenu=c.Browser.noContextMenu;c.Register.StartupHook("End Config",function(){m.settings=c.config.menuSettings;if(typeof(m.settings.showRenderer)!=="undefined"){m.showRenderer=m.settings.showRenderer}if(typeof(m.settings.showFontMenu)!=="undefined"){m.showFontMenu=m.settings.showFontMenu}if(typeof(m.settings.showContext)!=="undefined"){m.showContext=m.settings.showContext}a.getCookie();a.menu=a(k.SUBMENU("Show Math As",k.COMMAND("MathML Code",a.ShowSource,{nativeTouch:true,format:"MathML"}),k.COMMAND("Original Form",a.ShowSource,{nativeTouch:true})),k.RULE(),k.SUBMENU("Math Settings",k.SUBMENU("Zoom Trigger",k.RADIO("Hover","zoom",{action:a.Zoom}),k.RADIO("Click","zoom",{action:a.Zoom}),k.RADIO("Double-Click","zoom",{action:a.Zoom}),k.RADIO("No Zoom","zoom",{value:"None"}),k.RULE(),k.LABEL("Trigger Requires:"),k.CHECKBOX((c.Browser.isMac?"Option":"Alt"),"ALT"),k.CHECKBOX("Command","CMD",{hidden:!c.Browser.isMac}),k.CHECKBOX("Control","CTRL",{hidden:c.Browser.isMac}),k.CHECKBOX("Shift","Shift")),k.SUBMENU("Zoom Factor",k.RADIO("125%","zscale"),k.RADIO("133%","zscale"),k.RADIO("150%","zscale"),k.RADIO("175%","zscale"),k.RADIO("200%","zscale"),k.RADIO("250%","zscale"),k.RADIO("300%","zscale"),k.RADIO("400%","zscale")),k.RULE(),k.SUBMENU("Math Renderer",{hidden:!m.showRenderer},k.RADIO("HTML-CSS","renderer",{action:a.Renderer}),k.RADIO("MathML","renderer",{action:a.Renderer,value:"NativeMML"})),k.SUBMENU("Font Preference",{hidden:!m.showFontMenu},k.LABEL("For HTML-CSS:"),k.RADIO("Auto","font",{action:a.Font}),k.RULE(),k.RADIO("TeX (local)","font",{action:a.Font}),k.RADIO("TeX (web)","font",{action:a.Font}),k.RADIO("TeX (image)","font",{action:a.Font}),k.RULE(),k.RADIO("STIX (local)","font",{action:a.Font})),k.SUBMENU("Contextual Menu",{hidden:!m.showContext},k.RADIO("MathJax","context"),k.RADIO("Browser","context")),k.COMMAND("Scale All Math ...",a.Scale),k.RULE(),k.CHECKBOX("Highlight on Hover","discoverable")),k.RULE(),k.COMMAND("About MathJax",a.About),k.COMMAND("MathJax Help",a.Help))});a.showRenderer=function(o){a.cookie.showRenderer=m.showRenderer=o;a.saveCookie();a.menu.Find("Math Settings","Math Renderer").hidden=!o};a.showFontMenu=function(o){a.cookie.showFontMenu=m.showFontMenu=o;a.saveCookie();a.menu.Find("Math Settings","Font Preference").hidden=!o};a.showContext=function(o){a.cookie.showContext=m.showContext=o;a.saveCookie();a.menu.Find("Math Settings","Contextual Menu").hidden=!o};if(a.isMobile){(function(){var p=m.settings;var o=a.menu.Find("Math Settings","Zoom Trigger").menu;o.items[0].disabled=o.items[1].disabled=true;if(p.zoom==="Hover"||p.zoom=="Click"){p.zoom="None"}o.items=o.items.slice(0,4);if(navigator.appVersion.match(/[ (]Android[) ]/)){a.ITEM.SUBMENU.Augment({marker:"\u00BB"})}})()}e.Queue(c.Register.StartupHook("End Config",{}),["getImages",a],["Styles",i,m.styles],["Post",c.Startup.signal,"MathMenu Ready"],["loadComplete",i,"[MathJax]/extensions/MathMenu.js"])})(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.CallBack,MathJax.OutputJax);
 
diff --git a/config/MML_HTMLorMML.js b/config/MML_HTMLorMML.js
index f0023590c..314984314 100644
--- a/config/MML_HTMLorMML.js
+++ b/config/MML_HTMLorMML.js
@@ -39,7 +39,7 @@ MathJax.OutputJax.NativeMML=MathJax.OutputJax({id:"NativeMML",version:"1.1.9",di
 
 MathJax.Extension.mml2jax={version:"1.1.2",config:{preview:"alttext"},MMLnamespace:"http://www.w3.org/1998/Math/MathML",PreProcess:function(e){if(!this.configured){this.config=MathJax.Hub.CombineConfig("mml2jax",this.config);if(this.config.Augment){MathJax.Hub.Insert(this,this.config.Augment)}this.InitBrowser();this.configured=true}if(typeof(e)==="string"){e=document.getElementById(e)}if(!e){e=document.body}this.ProcessMathArray(e.getElementsByTagName("math"));if(e.getElementsByTagNameNS){this.ProcessMathArray(e.getElementsByTagNameNS(this.MMLnamespace,"math"))}var d=document.getElementsByTagName("html")[0];if(d){for(var c=0,b=d.attributes.length;c<b;c++){var a=d.attributes[c];if(a.nodeName.substr(0,6)==="xmlns:"&&a.nodeValue===this.MMLnamespace){this.ProcessMathArray(e.getElementsByTagName(a.nodeName.substr(6)+":math"))}}}},ProcessMathArray:function(b){var a;if(b.length){if(this.MathTagBug){for(a=b.length-1;a>=0;a--){if(b[a].nodeName==="MATH"){this.ProcessMathFlattened(b[a])}else{this.ProcessMath(b[a])}}}else{for(a=b.length-1;a>=0;a--){this.ProcessMath(b[a])}}}},ProcessMath:function(e){var d=e.parentNode;var a=document.createElement("script");a.type="math/mml";d.insertBefore(a,e);if(this.AttributeBug){var b=this.OuterHTML(e);if(this.CleanupHTML){b=b.replace(/<\?import .*?>/i,"").replace(/<\?xml:namespace .*?\/>/i,"");b=b.replace(/&nbsp;/g,"&#xA0;")}MathJax.HTML.setScript(a,b);d.removeChild(e)}else{var c=MathJax.HTML.Element("span");c.appendChild(e);MathJax.HTML.setScript(a,c.innerHTML)}if(this.config.preview!=="none"){this.createPreview(e,a)}},ProcessMathFlattened:function(f){var d=f.parentNode;var b=document.createElement("script");b.type="math/mml";d.insertBefore(b,f);var c="",e,a=f;while(f&&f.nodeName!=="/MATH"){e=f;f=f.nextSibling;c+=this.NodeHTML(e);e.parentNode.removeChild(e)}if(f&&f.nodeName==="/MATH"){f.parentNode.removeChild(f)}b.text=c+"</math>";if(this.config.preview!=="none"){this.createPreview(a,b)}},NodeHTML:function(e){var c,b,a;if(e.nodeName==="#text"){c=this.quoteHTML(e.nodeValue)}else{if(e.nodeName==="#comment"){c="<!--"+e.nodeValue+"-->"}else{c="<"+e.nodeName.toLowerCase();for(b=0,a=e.attributes.length;b<a;b++){var d=e.attributes[b];if(d.specified){c+=" "+d.nodeName.toLowerCase().replace(/xmlns:xmlns/,"xmlns")+"=";var f=d.nodeValue;if(f==null&&d.nodeName==="style"&&e.style){f=e.style.cssText}c+='"'+this.quoteHTML(f)+'"'}}c+=">";if(e.outerHTML!=null&&e.outerHTML.match(/(.<\/[A-Z]+>|\/>)$/)){for(b=0,a=e.childNodes.length;b<a;b++){c+=this.OuterHTML(e.childNodes[b])}c+="</"+e.nodeName.toLowerCase()+">"}}}return c},OuterHTML:function(d){if(d.nodeName.charAt(0)==="#"){return this.NodeHTML(d)}if(!this.AttributeBug){return d.outerHTML}var c=this.NodeHTML(d);for(var b=0,a=d.childNodes.length;b<a;b++){c+=this.OuterHTML(d.childNodes[b])}c+="</"+d.nodeName.toLowerCase()+">";return c},quoteHTML:function(a){if(a==null){a=""}return a.replace(/&/g,"&#x26;").replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/"/g,"&quot;")},createPreview:function(b,a){var c;if(this.config.preview==="alttext"){var d=b.getAttribute("alttext");if(d!=null){c=[this.filterText(d)]}}else{if(this.config.preview instanceof Array){c=this.config.preview}}if(c){c=MathJax.HTML.Element("span",{className:MathJax.Hub.config.preRemoveClass},c);a.parentNode.insertBefore(c,a)}},filterText:function(a){return a},InitBrowser:function(){var b=MathJax.HTML.Element("span",{id:"<",className:"mathjax",innerHTML:"<math><mi>x</mi><mspace /></math>"});var a=b.outerHTML||"";this.AttributeBug=a!==""&&!(a.match(/id="&lt;"/)&&a.match(/class="mathjax"/)&&a.match(/<\/math>/));this.MathTagBug=b.childNodes.length>1;this.CleanupHTML=MathJax.Hub.Browser.isMSIE}};MathJax.Hub.Register.PreProcessor(["PreProcess",MathJax.Extension.mml2jax]);MathJax.Ajax.loadComplete("[MathJax]/extensions/mml2jax.js");
 
-(function(a,d,f,c,j){var k="1.1.3";var i=a.CombineConfig("MathZoom",{styles:{"#MathJax_Zoom":{position:"absolute","background-color":"#F0F0F0",overflow:"auto",display:"block","z-index":301,padding:".5em",border:"1px solid black",margin:0,"font-family":"serif","font-size":"85%","font-weight":"normal","font-style":"normal","text-align":"left","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","box-shadow":"5px 5px 15px #AAAAAA","-webkit-box-shadow":"5px 5px 15px #AAAAAA","-moz-box-shadow":"5px 5px 15px #AAAAAA","-khtml-box-shadow":"5px 5px 15px #AAAAAA",filter:"dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},"#MathJax_ZoomOverlay":{position:"absolute",left:0,top:0,"z-index":300,display:"inline-block",width:"100%",height:"100%",border:0,padding:0,margin:0,"background-color":"white",opacity:0,filter:"alpha(opacity=0)"}}});var e,b,g;MathJax.Hub.Register.StartupHook("MathEvents Ready",function(){g=MathJax.Extension.MathEvents.Event;e=MathJax.Extension.MathEvents.Event.False;b=MathJax.Extension.MathEvents.Hover});var h=MathJax.Extension.MathZoom={version:k,settings:a.config.menuSettings,HandleEvent:function(n,l,m){if(h.settings.CTRL&&!n.ctrlKey){return true}if(h.settings.ALT&&!n.altKey){return true}if(h.settings.CMD&&!n.metaKey){return true}if(h.settings.Shift&&!n.shiftKey){return true}if(!h[l]){return true}return h[l](n,m)},Click:function(m,l){if(this.settings.zoom==="Click"){return this.Zoom(m,l)}},DblClick:function(m,l){if(this.settings.zoom==="Double-Click"){return this.Zoom(m,l)}},Hover:function(m,l){if(this.settings.zoom==="Hover"){this.Zoom(m,l);return true}return false},Zoom:function(n,t){this.Remove();b.ClearHoverTimer();g.ClearSelection();var q=MathJax.OutputJax[t.jaxID];var o=q.getJaxFromMath(t),s=o.root;if(o.hover){b.UnHover(o)}var l=Math.floor(0.85*document.body.clientWidth),r=Math.floor(0.85*document.body.clientHeight);var m=d.Element("span",{style:{position:"relative",display:"inline-block",height:0,width:0},id:"MathJax_ZoomFrame"},[["span",{id:"MathJax_ZoomOverlay",onmousedown:this.Remove}],["span",{id:"MathJax_Zoom",onclick:this.Remove,style:{visibility:"hidden",fontSize:this.settings.zscale,"max-width":l+"px","max-height":r+"px"}},[["span",{style:{display:"inline-block","white-space":"nowrap"}}]]]]);var x=m.lastChild,v=x.firstChild,p=m.firstChild;t.parentNode.insertBefore(m,t);if(v.addEventListener){v.addEventListener("mousedown",this.Remove,true)}if(this.msieZIndexBug){var u=d.addElement(document.body,"img",{src:"about:blank",id:"MathJax_ZoomTracker",width:0,height:0,style:{width:0,height:0,position:"relative"}});m.style.position="relative";m.style.zIndex=i.styles["#MathJax_ZoomOverlay"]["z-index"];m=u}var w=q.Zoom(s,v,t,l,r);if(this.msiePositionBug){if(this.msieSizeBug){x.style.height=w.zH+"px";x.style.width=w.zW+"px"}if(x.offsetHeight>r){x.style.height=r+"px";v.style.marginRight="16px"}if(x.offsetWidth>l){x.style.width=l+"px";v.style.marginBottom="16px"}}if(this.operaPositionBug){x.style.width=Math.min(l,w.zW)+"px"}if(x.offsetWidth<l&&x.offsetHeight<r){x.style.overflow="visible"}this.Position(x,w);x.style.visibility="";if(this.settings.zoom==="Hover"){p.onmouseover=this.Remove}if(window.addEventListener){addEventListener("resize",this.Resize,false)}else{if(window.attachEvent){attachEvent("onresize",this.Resize)}else{this.onresize=window.onresize;window.onresize=this.Resize}}return e(n)},Position:function(p,r){var q=this.Resize(),m=q.x,s=q.y,l=r.mW;var o=-Math.floor((p.offsetWidth-l)/2),n=r.Y;p.style.left=Math.max(o,10-m)+"px";p.style.top=Math.max(n,10-s)+"px"},Resize:function(n){if(h.onresize){h.onresize(n)}var l=0,q=0,p=document.getElementById("MathJax_ZoomFrame"),o=p,m=document.getElementById("MathJax_ZoomOverlay");if(h.operaPositionBug){p.style.border="1px solid"}if(o.offsetParent){do{l+=o.offsetLeft;q+=o.offsetTop}while(o=o.offsetParent)}if(h.operaPositionBug){p.style.border=""}m.style.left=(-l)+"px";m.style.top=(-q)+"px";if(h.msiePositionBug){setTimeout(h.SetWH,0)}else{h.SetWH()}return{x:l,y:q}},SetWH:function(){var l=document.getElementById("MathJax_ZoomOverlay");l.style.width=l.style.height="1px";l.style.width=document.body.scrollWidth+"px";l.style.height=document.body.scrollHeight+"px"},Remove:function(m){var n=document.getElementById("MathJax_ZoomFrame");if(n){n.parentNode.removeChild(n);n=document.getElementById("MathJax_ZoomTracker");if(n){n.parentNode.removeChild(n)}if(h.operaRefreshBug){var l=d.addElement(document.body,"div",{style:{position:"fixed",left:0,top:0,width:"100%",height:"100%",backgroundColor:"white",opacity:0},id:"MathJax_OperaDiv"});document.body.removeChild(l)}if(window.removeEventListener){removeEventListener("resize",h.Resize,false)}else{if(window.detachEvent){detachEvent("onresize",h.Resize)}else{window.onresize=h.onresize;delete h.onresize}}}return e(m)}};a.Browser.Select({MSIE:function(l){var n=(document.documentMode||0);var m=(n>=9);h.msiePositionBug=!m;h.msieSizeBug=l.versionAtLeast("7.0")&&(!document.documentMode||n===7||n===8);h.msieZIndexBug=(n<=7);h.msieInlineBlockAlignBug=(n<=7);if(m){delete i.styles["#MathJax_Zoom"].filter}},Opera:function(l){h.operaPositionBug=true;h.operaRefreshBug=true}});h.topImg=(h.msieInlineBlockAlignBug?d.Element("img",{style:{width:0,height:0,position:"relative"},src:"about:blank"}):d.Element("span",{style:{width:0,height:0,display:"inline-block"}}));if(h.operaPositionBug||h.msieTopBug){h.topImg.style.border="1px solid"}MathJax.Callback.Queue(["StartupHook",MathJax.Hub.Register,"Begin Styles",{}],["Styles",f,i.styles],["Post",a.Startup.signal,"MathZoom Ready"],["loadComplete",f,"[MathJax]/extensions/MathZoom.js"])})(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.OutputJax["HTML-CSS"],MathJax.OutputJax.NativeMML);
+(function(a,d,f,c,j){var k="1.1.3";var i=a.CombineConfig("MathZoom",{styles:{"#MathJax_Zoom":{position:"absolute","background-color":"#F0F0F0",overflow:"auto",display:"block","z-index":301,padding:".5em",border:"1px solid black",margin:0,"font-family":"serif","font-size":"85%","font-weight":"normal","font-style":"normal","text-align":"left","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","box-shadow":"5px 5px 15px #AAAAAA","-webkit-box-shadow":"5px 5px 15px #AAAAAA","-moz-box-shadow":"5px 5px 15px #AAAAAA","-khtml-box-shadow":"5px 5px 15px #AAAAAA",filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},"#MathJax_ZoomOverlay":{position:"absolute",left:0,top:0,"z-index":300,display:"inline-block",width:"100%",height:"100%",border:0,padding:0,margin:0,"background-color":"white",opacity:0,filter:"alpha(opacity=0)"},"#MathJax_ZoomEventTrap":{position:"absolute",left:0,top:0,"z-index":302,display:"inline-block",border:0,padding:0,margin:0,"background-color":"white",opacity:0,filter:"alpha(opacity=0)"}}});var e,b,g;MathJax.Hub.Register.StartupHook("MathEvents Ready",function(){g=MathJax.Extension.MathEvents.Event;e=MathJax.Extension.MathEvents.Event.False;b=MathJax.Extension.MathEvents.Hover});var h=MathJax.Extension.MathZoom={version:k,settings:a.config.menuSettings,scrollSize:18,HandleEvent:function(n,l,m){if(h.settings.CTRL&&!n.ctrlKey){return true}if(h.settings.ALT&&!n.altKey){return true}if(h.settings.CMD&&!n.metaKey){return true}if(h.settings.Shift&&!n.shiftKey){return true}if(!h[l]){return true}return h[l](n,m)},Click:function(m,l){if(this.settings.zoom==="Click"){return this.Zoom(m,l)}},DblClick:function(m,l){if(this.settings.zoom==="Double-Click"){return this.Zoom(m,l)}},Hover:function(m,l){if(this.settings.zoom==="Hover"){this.Zoom(m,l);return true}return false},Zoom:function(n,t){this.Remove();b.ClearHoverTimer();g.ClearSelection();var q=MathJax.OutputJax[t.jaxID];var o=q.getJaxFromMath(t),s=o.root;if(o.hover){b.UnHover(o)}var l=Math.floor(0.85*document.body.clientWidth),r=Math.floor(0.85*document.body.clientHeight);var m=d.Element("span",{style:{position:"relative",display:"inline-block",height:0,width:0},id:"MathJax_ZoomFrame"},[["span",{id:"MathJax_ZoomOverlay",onmousedown:this.Remove}],["span",{id:"MathJax_Zoom",onclick:this.Remove,style:{visibility:"hidden",fontSize:this.settings.zscale,"max-width":l+"px","max-height":r+"px"}},[["span",{style:{display:"inline-block","white-space":"nowrap"}}]]]]);var y=m.lastChild,v=y.firstChild,p=m.firstChild;t.parentNode.insertBefore(m,t);if(v.addEventListener){v.addEventListener("mousedown",this.Remove,true)}if(this.msieTrapEventBug){var x=d.Element("span",{id:"MathJax_ZoomEventTrap",onmousedown:this.Remove});m.insertBefore(x,y)}if(this.msieZIndexBug){var u=d.addElement(document.body,"img",{src:"about:blank",id:"MathJax_ZoomTracker",width:0,height:0,style:{width:0,height:0,position:"relative"}});m.style.position="relative";m.style.zIndex=i.styles["#MathJax_ZoomOverlay"]["z-index"];m=u}var w=q.Zoom(s,v,t,l,r);if(this.msiePositionBug){if(this.msieSizeBug){y.style.height=w.zH+"px";y.style.width=w.zW+"px"}if(y.offsetHeight>r){y.style.height=r+"px";y.style.width=(w.zW+this.scrollSize)+"px"}if(y.offsetWidth>l){y.style.width=l+"px";y.style.height=(w.zH+this.scrollSize)+"px"}}if(this.operaPositionBug){y.style.width=Math.min(l,w.zW)+"px"}if(y.offsetWidth<l&&y.offsetHeight<r){y.style.overflow="visible"}this.Position(y,w);if(this.msieTrapEventBug){x.style.height=y.clientHeight+"px";x.style.width=y.clientWidth+"px";x.style.left=(parseFloat(y.style.left)+y.clientLeft)+"px";x.style.top=(parseFloat(y.style.top)+y.clientTop)+"px"}y.style.visibility="";if(this.settings.zoom==="Hover"){p.onmouseover=this.Remove}if(window.addEventListener){addEventListener("resize",this.Resize,false)}else{if(window.attachEvent){attachEvent("onresize",this.Resize)}else{this.onresize=window.onresize;window.onresize=this.Resize}}return e(n)},Position:function(p,r){var q=this.Resize(),m=q.x,s=q.y,l=r.mW;var o=-Math.floor((p.offsetWidth-l)/2),n=r.Y;p.style.left=Math.max(o,10-m)+"px";p.style.top=Math.max(n,10-s)+"px"},Resize:function(n){if(h.onresize){h.onresize(n)}var l=0,q=0,p=document.getElementById("MathJax_ZoomFrame"),o=p,m=document.getElementById("MathJax_ZoomOverlay");if(h.operaPositionBug){p.style.border="1px solid"}if(o.offsetParent){do{l+=o.offsetLeft;q+=o.offsetTop}while(o=o.offsetParent)}if(h.operaPositionBug){p.style.border=""}m.style.left=(-l)+"px";m.style.top=(-q)+"px";if(h.msiePositionBug){setTimeout(h.SetWH,0)}else{h.SetWH()}return{x:l,y:q}},SetWH:function(){var l=document.getElementById("MathJax_ZoomOverlay");l.style.width=l.style.height="1px";l.style.width=document.body.scrollWidth+"px";l.style.height=document.body.scrollHeight+"px"},Remove:function(m){var n=document.getElementById("MathJax_ZoomFrame");if(n){n.parentNode.removeChild(n);n=document.getElementById("MathJax_ZoomTracker");if(n){n.parentNode.removeChild(n)}if(h.operaRefreshBug){var l=d.addElement(document.body,"div",{style:{position:"fixed",left:0,top:0,width:"100%",height:"100%",backgroundColor:"white",opacity:0},id:"MathJax_OperaDiv"});document.body.removeChild(l)}if(window.removeEventListener){removeEventListener("resize",h.Resize,false)}else{if(window.detachEvent){detachEvent("onresize",h.Resize)}else{window.onresize=h.onresize;delete h.onresize}}}return e(m)}};a.Browser.Select({MSIE:function(l){var n=(document.documentMode||0);var m=(n>=9);h.msiePositionBug=!m;h.msieSizeBug=l.versionAtLeast("7.0")&&(!document.documentMode||n===7||n===8);h.msieZIndexBug=(n<=7);h.msieInlineBlockAlignBug=(n<=7);h.msieTrapEventBug=!window.addEventListener;if(document.compatMode==="BackCompat"){h.scrollSize=52}if(m){delete i.styles["#MathJax_Zoom"].filter}},Opera:function(l){h.operaPositionBug=true;h.operaRefreshBug=true}});h.topImg=(h.msieInlineBlockAlignBug?d.Element("img",{style:{width:0,height:0,position:"relative"},src:"about:blank"}):d.Element("span",{style:{width:0,height:0,display:"inline-block"}}));if(h.operaPositionBug||h.msieTopBug){h.topImg.style.border="1px solid"}MathJax.Callback.Queue(["StartupHook",MathJax.Hub.Register,"Begin Styles",{}],["Styles",f,i.styles],["Post",a.Startup.signal,"MathZoom Ready"],["loadComplete",f,"[MathJax]/extensions/MathZoom.js"])})(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.OutputJax["HTML-CSS"],MathJax.OutputJax.NativeMML);
 
 (function(c,f,i,e,b){var n="1.1.8";MathJax.Extension.MathMenu={version:n};var l=c.Browser.isPC,j=c.Browser.isMSIE;var h=(l?null:"5px");var m=c.CombineConfig("MathMenu",{delay:150,helpURL:"http://www.mathjax.org/help/user/",closeImg:i.fileURL(b.imageDir+"/CloseX-31.png"),showRenderer:true,showFontMenu:false,showContext:false,windowSettings:{status:"no",toolbar:"no",locationbar:"no",menubar:"no",directories:"no",personalbar:"no",resizable:"yes",scrollbars:"yes",width:100,height:50},styles:{"#MathJax_About":{position:"fixed",left:"50%",width:"auto","text-align":"center",border:"3px outset",padding:"1em 2em","background-color":"#DDDDDD",color:"black",cursor:"default","font-family":"message-box","font-size":"120%","font-style":"normal","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","z-index":201,"border-radius":"15px","-webkit-border-radius":"15px","-moz-border-radius":"15px","-khtml-border-radius":"15px","box-shadow":"0px 10px 20px #808080","-webkit-box-shadow":"0px 10px 20px #808080","-moz-box-shadow":"0px 10px 20px #808080","-khtml-box-shadow":"0px 10px 20px #808080",filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},".MathJax_Menu":{position:"absolute","background-color":"white",color:"black",width:"auto",padding:(l?"2px":"5px 0px"),border:"1px solid #CCCCCC",margin:0,cursor:"default",font:"menu","text-align":"left","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","z-index":201,"border-radius":h,"-webkit-border-radius":h,"-moz-border-radius":h,"-khtml-border-radius":h,"box-shadow":"0px 10px 20px #808080","-webkit-box-shadow":"0px 10px 20px #808080","-moz-box-shadow":"0px 10px 20px #808080","-khtml-box-shadow":"0px 10px 20px #808080",filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},".MathJax_MenuItem":{padding:(l?"2px 2em":"1px 2em"),background:"transparent"},".MathJax_MenuTitle":{"background-color":"#CCCCCC",margin:(l?"-1px -1px 1px -1px":"-5px 0 0 0"),"text-align":"center","font-style":"italic","font-size":"80%",color:"#444444",padding:"2px 0",overflow:"hidden"},".MathJax_MenuArrow":{position:"absolute",right:".5em",color:"#666666","font-family":(j?"'Arial unicode MS'":null)},".MathJax_MenuActive .MathJax_MenuArrow":{color:"white"},".MathJax_MenuCheck":{position:"absolute",left:".7em","font-family":(j?"'Arial unicode MS'":null)},".MathJax_MenuRadioCheck":{position:"absolute",left:(l?"1em":".7em")},".MathJax_MenuLabel":{padding:(l?"2px 2em 4px 1.33em":"1px 2em 3px 1.33em"),"font-style":"italic"},".MathJax_MenuRule":{"border-top":(l?"1px solid #CCCCCC":"1px solid #DDDDDD"),margin:(l?"4px 1px 0px":"4px 3px")},".MathJax_MenuDisabled":{color:"GrayText"},".MathJax_MenuActive":{"background-color":(l?"Highlight":"#606872"),color:(l?"HighlightText":"white")},".MathJax_Menu_Close":{position:"absolute",width:"31px",height:"31px",top:"-15px",left:"-15px"}}});var g,d;c.Register.StartupHook("MathEvents Ready",function(){g=MathJax.Extension.MathEvents.Event.False;d=MathJax.Extension.MathEvents.Hover});var a=MathJax.Menu=MathJax.Object.Subclass({version:n,items:[],posted:false,title:null,margin:5,Init:function(o){this.items=[].slice.call(arguments,0)},With:function(o){if(o){c.Insert(this,o)}return this},Post:function(p,z){if(!p){p=window.event}var v=(!this.title?null:[["div",{className:"MathJax_MenuTitle"},[this.title]]]);var o=document.getElementById("MathJax_MenuFrame");if(!o){o=a.Background(this);delete k.lastItem;delete k.lastMenu;delete a.skipUp}var q=f.addElement(o,"div",{onmouseup:a.Mouseup,ondblclick:g,ondragstart:g,onselectstart:g,oncontextmenu:g,menuItem:this,className:"MathJax_Menu"},v);for(var s=0,r=this.items.length;s<r;s++){this.items[s].Create(q)}if(a.isMobile){f.addElement(q,"img",{className:"MathJax_Menu_Close",menu:z,src:m.closeImg,ontouchstart:a.Close,ontouchend:g,onmousedown:a.Close})}this.posted=true;q.style.width=(q.offsetWidth+2)+"px";var w=p.pageX,u=p.pageY;if(!w&&!u){w=p.clientX+document.body.scrollLeft+document.documentElement.scrollLeft;u=p.clientY+document.body.scrollTop+document.documentElement.scrollTop}if(!z){if(w+q.offsetWidth>document.body.offsetWidth-this.margin){w=document.body.offsetWidth-q.offsetWidth-this.margin}if(a.isMobile){w=Math.max(5,w-Math.floor(q.offsetWidth/2));u-=20}a.skipUp=p.isContextMenu}else{var t="left",A=z.offsetWidth;w=(a.isMobile?30:A-2);u=0;while(z&&z!==o){w+=z.offsetLeft;u+=z.offsetTop;z=z.parentNode}if(w+q.offsetWidth>document.body.offsetWidth-this.margin&&!a.isMobile){t="right";w=Math.max(this.margin,w-A-q.offsetWidth+6)}if(!l){q.style["borderRadiusTop"+t]=0;q.style["WebkitBorderRadiusTop"+t]=0;q.style["MozBorderRadiusTop"+t]=0;q.style["KhtmlBorderRadiusTop"+t]=0}}q.style.left=w+"px";q.style.top=u+"px";if(document.selection&&document.selection.empty){document.selection.empty()}return g(p)},Remove:function(o,p){var q=document.getElementById("MathJax_MenuFrame");if(q){q.parentNode.removeChild(q);if(this.msieBackgroundBug){detachEvent("onresize",a.Resize)}}if(a.jax.hover){delete a.jax.hover.nofade;d.UnHover(a.jax)}},Find:function(p){var r=[].slice.call(arguments,1);for(var q=0,o=this.items.length;q<o;q++){if(this.items[q].name===p){if(r.length){if(!this.items[q].menu){return null}return this.items[q].menu.Find.apply(this.items[q].menu,r)}return this.items[q]}}return null}},{config:m,div:null,Close:function(o){return a.Event(o,this.menu||this.parentNode,(this.menu?"Touchend":"Remove"))},Remove:function(o){return a.Event(o,this,"Remove")},Mouseover:function(o){return a.Event(o,this,"Mouseover")},Mouseout:function(o){return a.Event(o,this,"Mouseout")},Mousedown:function(o){return a.Event(o,this,"Mousedown")},Mouseup:function(o){return a.Event(o,this,"Mouseup")},Touchstart:function(o){return a.Event(o,this,"Touchstart")},Touchend:function(o){return a.Event(o,this,"Touchend")},Event:function(q,s,o,r){if(a.skipMouseover&&o==="Mouseover"&&!r){return g(q)}if(a.skipUp){if(o.match(/Mouseup|Touchend/)){delete a.skipUp;return g(q)}if(o==="Touchstart"||(o==="Mousedown"&&!a.skipMousedown)){delete a.skipUp}}if(!q){q=window.event}var p=s.menuItem;if(p&&p[o]){return p[o](q,s)}return null},BGSTYLE:{position:"absolute",left:0,top:0,"z-index":200,width:"100%",height:"100%",border:0,padding:0,margin:0},Background:function(p){var q=f.addElement(document.body,"div",{style:this.BGSTYLE,id:"MathJax_MenuFrame"},[["div",{style:this.BGSTYLE,menuItem:p,onmousedown:this.Remove}]]);var o=q.firstChild;if(p.msieBackgroundBug){o.style.backgroundColor="white";o.style.filter="alpha(opacity=0)";q.width=q.height=0;this.Resize();attachEvent("onresize",this.Resize)}else{o.style.position="fixed"}return q},Resize:function(){setTimeout(a.SetWH,0)},SetWH:function(){var o=document.getElementById("MathJax_MenuFrame");if(o){o=o.firstChild;o.style.width=o.style.height="1px";o.style.width=document.body.scrollWidth+"px";o.style.height=document.body.scrollHeight+"px"}},saveCookie:function(){f.Cookie.Set("menu",this.cookie)},getCookie:function(){this.cookie=f.Cookie.Get("menu")},getImages:function(){if(a.isMobile){var o=new Image();o.src=m.closeImg}}});var k=a.ITEM=MathJax.Object.Subclass({name:"",Create:function(p){if(!this.hidden){var o={onmouseover:a.Mouseover,onmouseout:a.Mouseout,onmouseup:a.Mouseup,onmousedown:a.Mousedown,ondragstart:g,onselectstart:g,onselectend:g,ontouchstart:a.Touchstart,ontouchend:a.Touchend,className:"MathJax_MenuItem",menuItem:this};if(this.disabled){o.className+=" MathJax_MenuDisabled"}f.addElement(p,"div",o,this.Label(o,p))}},Mouseover:function(s,u){if(!this.disabled){this.Activate(u)}if(!this.menu||!this.menu.posted){var t=document.getElementById("MathJax_MenuFrame").childNodes,p=u.parentNode.childNodes;for(var q=0,o=p.length;q<o;q++){var r=p[q].menuItem;if(r&&r.menu&&r.menu.posted){r.Deactivate(p[q])}}o=t.length-1;while(o>=0&&u.parentNode.menuItem!==t[o].menuItem){t[o].menuItem.posted=false;t[o].parentNode.removeChild(t[o]);o--}if(this.Timer&&!a.isMobile){this.Timer(s,u)}}},Mouseout:function(o,p){if(!this.menu||!this.menu.posted){this.Deactivate(p)}if(this.timer){clearTimeout(this.timer);delete this.timer}},Mouseup:function(o,p){return this.Remove(o,p)},Touchstart:function(o,p){return this.TouchEvent(o,p,"Mousedown")},Touchend:function(o,p){return this.TouchEvent(o,p,"Mouseup")},TouchEvent:function(p,q,o){if(this!==k.lastItem){if(k.lastMenu){a.Event(p,k.lastMenu,"Mouseout")}a.Event(p,q,"Mouseover",true);k.lastItem=this;k.lastMenu=q}if(this.nativeTouch){return null}a.Event(p,q,o);return false},Remove:function(o,p){p=p.parentNode.menuItem;return p.Remove(o,p)},Activate:function(o){this.Deactivate(o);o.className+=" MathJax_MenuActive"},Deactivate:function(o){o.className=o.className.replace(/ MathJax_MenuActive/,"")},With:function(o){if(o){c.Insert(this,o)}return this}});a.ITEM.COMMAND=a.ITEM.Subclass({action:function(){},Init:function(o,q,p){this.name=o;this.action=q;this.With(p)},Label:function(o,p){return[this.name]},Mouseup:function(o,p){if(!this.disabled){this.Remove(o,p);this.action.call(this,o)}return g(o)}});a.ITEM.SUBMENU=a.ITEM.Subclass({menu:null,marker:(l&&!c.Browser.isSafari?"\u25B6":"\u25B8"),Init:function(o,q){this.name=o;var p=1;if(!(q instanceof a.ITEM)){this.With(q),p++}this.menu=a.apply(a,[].slice.call(arguments,p))},Label:function(o,p){this.menu.posted=false;return[this.name+" ",["span",{className:"MathJax_MenuArrow"},[this.marker]]]},Timer:function(o,p){if(this.timer){clearTimeout(this.timer)}o={clientX:o.clientX,clientY:o.clientY};this.timer=setTimeout(e(["Mouseup",this,o,p]),m.delay)},Touchend:function(p,r){var q=this.menu.posted;var o=this.SUPER(arguments).Touchend.apply(this,arguments);if(q){this.Deactivate(r);delete k.lastItem;delete k.lastMenu}return o},Mouseup:function(p,r){if(!this.disabled){if(!this.menu.posted){if(this.timer){clearTimeout(this.timer);delete this.timer}this.menu.Post(p,r)}else{var q=document.getElementById("MathJax_MenuFrame").childNodes,o=q.length-1;while(o>=0){var s=q[o];s.menuItem.posted=false;s.parentNode.removeChild(s);if(s.menuItem===this.menu){break}o--}}}return g(p)}});a.ITEM.RADIO=a.ITEM.Subclass({variable:null,marker:(l?"\u25CF":"\u2713"),Init:function(p,o,q){this.name=p;this.variable=o;this.With(q);if(this.value==null){this.value=this.name}},Label:function(p,q){var o={className:"MathJax_MenuRadioCheck"};if(m.settings[this.variable]!==this.value){o={style:{display:"none"}}}return[["span",o,[this.marker]]," "+this.name]},Mouseup:function(r,s){if(!this.disabled){var t=s.parentNode.childNodes;for(var p=0,o=t.length;p<o;p++){var q=t[p].menuItem;if(q&&q.variable===this.variable){t[p].firstChild.style.display="none"}}s.firstChild.display="";m.settings[this.variable]=this.value;a.cookie[this.variable]=m.settings[this.variable];a.saveCookie();if(this.action){this.action.call(a)}}this.Remove(r,s);return g(r)}});a.ITEM.CHECKBOX=a.ITEM.Subclass({variable:null,marker:"\u2713",Init:function(p,o,q){this.name=p;this.variable=o;this.With(q)},Label:function(p,q){var o={className:"MathJax_MenuCheck"};if(!m.settings[this.variable]){o={style:{display:"none"}}}return[["span",o,[this.marker]]," "+this.name]},Mouseup:function(o,p){if(!this.disabled){p.firstChild.display=(m.settings[this.variable]?"none":"");m.settings[this.variable]=!m.settings[this.variable];a.cookie[this.variable]=m.settings[this.variable];a.saveCookie();if(this.action){this.action.call(a)}}this.Remove(o,p);return g(o)}});a.ITEM.LABEL=a.ITEM.Subclass({Init:function(o,p){this.name=o;this.With(p)},Label:function(o,p){delete o.onmouseover,delete o.onmouseout;delete o.onmousedown;o.className+=" MathJax_MenuLabel";return[this.name]}});a.ITEM.RULE=a.ITEM.Subclass({Label:function(o,p){delete o.onmouseover,delete o.onmouseout;delete o.onmousedown;o.className+=" MathJax_MenuRule";return null}});a.About=function(){var r=b["HTML-CSS"]||{fontInUse:""};var t=(r.webFonts?"":"local "),p=(r.webFonts?" web":"");var q=(r.imgFonts?"Image":t+r.fontInUse+p)+" fonts";var o=["MathJax.js v"+MathJax.fileversion,["br"]];o.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}]);a.About.GetJax(o,MathJax.InputJax,"Input Jax");a.About.GetJax(o,MathJax.OutputJax,"Output Jax");a.About.GetJax(o,MathJax.ElementJax,"Element Jax");o.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}]);a.About.GetJax(o,MathJax.Extension,"Extension",true);o.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}],["center",{},[c.Browser+" v"+c.Browser.version+(r.webFonts?" \u2014 "+r.allowWebFonts+" fonts":"")]]);a.About.div=a.Background(a.About);var u=f.addElement(a.About.div,"div",{id:"MathJax_About",onclick:a.About.Remove},[["b",{style:{fontSize:"120%"}},["MathJax"]]," v"+MathJax.version,["br"],"using "+q,["br"],["br"],["span",{style:{display:"inline-block","text-align":"left","font-size":"80%","background-color":"#E4E4E4",padding:".4em .6em",border:"1px inset"}},o],["br"],["br"],["a",{href:"http://www.mathjax.org/"},["www.mathjax.org"]]]);var v=(document.documentElement||{});var s=window.innerHeight||v.clientHeight||v.scrollHeight||0;if(a.prototype.msieAboutBug){u.style.width="20em";u.style.position="absolute";u.style.left=Math.floor((document.documentElement.scrollWidth-u.offsetWidth)/2)+"px";u.style.top=(Math.floor((s-u.offsetHeight)/3)+document.body.scrollTop)+"px"}else{u.style.marginLeft=Math.floor(-u.offsetWidth/2)+"px";u.style.top=Math.floor((s-u.offsetHeight)/3)+"px"}};a.About.Remove=function(o){if(a.About.div){document.body.removeChild(a.About.div);delete a.About.div}};a.About.GetJax=function(p,u,s,r){var t=[];for(var v in u){if(u.hasOwnProperty(v)&&u[v]){if((r&&u[v].version)||(u[v].isa&&u[v].isa(u))){t.push((u[v].id||v)+" "+s+" v"+u[v].version)}}}t.sort();for(var q=0,o=t.length;q<o;q++){p.push(t[q],["br"])}return p};a.Help=function(){window.open(m.helpURL,"MathJaxHelp")};a.ShowSource=function(r){if(!r){r=window.event}var q={screenX:r.screenX,screenY:r.screenY};if(!a.jax){return}if(this.format==="MathML"){var o=MathJax.ElementJax.mml;if(o&&typeof(o.mbase.prototype.toMathML)!=="undefined"){try{a.ShowSource.Text(a.jax.root.toMathML(),r)}catch(p){if(!p.restart){throw p}e.After([this,a.ShowSource,q])}}else{if(!i.loadingToMathML){i.loadingToMathML=true;a.ShowSource.Window(r);e.Queue(i.Require("[MathJax]/extensions/toMathML.js"),function(){delete i.loadingToMathML;if(!o.mbase.prototype.toMathML){o.mbase.prototype.toMathML=function(){}}},[this,a.ShowSource,q]);return}}}else{if(a.jax.originalText==null){alert("No TeX form available");return}a.ShowSource.Text(a.jax.originalText,r)}};a.ShowSource.Window=function(p){if(!a.ShowSource.w){var q=[],o=m.windowSettings;for(var r in o){if(o.hasOwnProperty(r)){q.push(r+"="+o[r])}}a.ShowSource.w=window.open("","_blank",q.join(","))}return a.ShowSource.w};a.ShowSource.Text=function(u,t){var q=a.ShowSource.Window(t);u=u.replace(/^\s*/,"").replace(/\s*$/,"");u=u.replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;");if(a.isMobile){q.document.open();q.document.write("<html><head><meta name='viewport' content='width=device-width, initial-scale=1.0' /><title>MathJax Equation Source</title></head><body style='font-size:85%'>");q.document.write("<pre>"+u+"</pre>");q.document.write("<hr><input type='button' value='Close' onclick='window.close()' />");q.document.write("</body></html>");q.document.close()}else{q.document.open();q.document.write("<html><head><title>MathJax Equation Source</title></head><body style='font-size:85%'>");q.document.write("<table><tr><td><pre>"+u+"</pre></td></tr></table>");q.document.write("</body></html>");q.document.close();var s=q.document.body.firstChild;var r=(q.outerHeight-q.innerHeight)||30,p=(q.outerWidth-q.innerWidth)||30;p=Math.min(Math.floor(0.5*screen.width),s.offsetWidth+p+25);r=Math.min(Math.floor(0.5*screen.height),s.offsetHeight+r+25);q.resizeTo(p,r);if(t&&t.screenX!=null){var o=Math.max(0,Math.min(t.screenX-Math.floor(p/2),screen.width-p-20)),v=Math.max(0,Math.min(t.screenY-Math.floor(r/2),screen.height-r-20));q.moveTo(o,v)}}delete a.ShowSource.w};a.Scale=function(){var p=b["HTML-CSS"],o=b.NativeMML;var r=(p?p.config.scale:o.config.scale);var q=prompt("Scale all mathematics (compared to surrounding text) by",r+"%");if(q){if(q.match(/^\s*\d+\s*%?\s*$/)){q=parseInt(q);if(q){if(q!==r){if(p){p.config.scale=q}if(o){o.config.scale=q}a.cookie.scale=q;a.saveCookie();c.Reprocess()}}else{alert("The scale should not be zero")}}else{alert("The scale should be a perentage (e.g., 120%)")}}};a.Zoom=function(){if(!MathJax.Extension.MathZoom){i.Require("[MathJax]/extensions/MathZoom.js")}};a.Renderer=function(){var o=c.config.outputJax["jax/mml"];if(o[0]!==m.settings.renderer){e.Queue(["Require",i,"[MathJax]/jax/output/"+m.settings.renderer+"/config.js"],["Post",c.Startup.signal,m.settings.renderer+" output selected"],[function(){var r=b[m.settings.renderer];for(var q=0,p=o.length;q<p;q++){if(o[q]===r){o.splice(q,1);break}}o.unshift(r)}],["Reprocess",c])}};a.Font=function(){var o=b["HTML-CSS"];if(!o){return}document.location.reload()};c.Browser.Select({MSIE:function(o){var p=(document.compatMode==="BackCompat");var q=o.versionAtLeast("8.0")&&document.documentMode>7;a.Augment({margin:20,msieBackgroundBug:(p||!q),msieAboutBug:p});if(document.documentMode>=9){delete m.styles["#MathJax_About"].filter;delete m.styles[".MathJax_Menu"].filter}},Firefox:function(o){a.skipMouseover=o.isMobile&&o.versionAtLeast("6.0");a.skipMousedown=o.isMobile}});a.isMobile=c.Browser.isMobile;a.noContextMenu=c.Browser.noContextMenu;c.Register.StartupHook("End Config",function(){m.settings=c.config.menuSettings;if(typeof(m.settings.showRenderer)!=="undefined"){m.showRenderer=m.settings.showRenderer}if(typeof(m.settings.showFontMenu)!=="undefined"){m.showFontMenu=m.settings.showFontMenu}if(typeof(m.settings.showContext)!=="undefined"){m.showContext=m.settings.showContext}a.getCookie();a.menu=a(k.SUBMENU("Show Math As",k.COMMAND("MathML Code",a.ShowSource,{nativeTouch:true,format:"MathML"}),k.COMMAND("Original Form",a.ShowSource,{nativeTouch:true})),k.RULE(),k.SUBMENU("Math Settings",k.SUBMENU("Zoom Trigger",k.RADIO("Hover","zoom",{action:a.Zoom}),k.RADIO("Click","zoom",{action:a.Zoom}),k.RADIO("Double-Click","zoom",{action:a.Zoom}),k.RADIO("No Zoom","zoom",{value:"None"}),k.RULE(),k.LABEL("Trigger Requires:"),k.CHECKBOX((c.Browser.isMac?"Option":"Alt"),"ALT"),k.CHECKBOX("Command","CMD",{hidden:!c.Browser.isMac}),k.CHECKBOX("Control","CTRL",{hidden:c.Browser.isMac}),k.CHECKBOX("Shift","Shift")),k.SUBMENU("Zoom Factor",k.RADIO("125%","zscale"),k.RADIO("133%","zscale"),k.RADIO("150%","zscale"),k.RADIO("175%","zscale"),k.RADIO("200%","zscale"),k.RADIO("250%","zscale"),k.RADIO("300%","zscale"),k.RADIO("400%","zscale")),k.RULE(),k.SUBMENU("Math Renderer",{hidden:!m.showRenderer},k.RADIO("HTML-CSS","renderer",{action:a.Renderer}),k.RADIO("MathML","renderer",{action:a.Renderer,value:"NativeMML"})),k.SUBMENU("Font Preference",{hidden:!m.showFontMenu},k.LABEL("For HTML-CSS:"),k.RADIO("Auto","font",{action:a.Font}),k.RULE(),k.RADIO("TeX (local)","font",{action:a.Font}),k.RADIO("TeX (web)","font",{action:a.Font}),k.RADIO("TeX (image)","font",{action:a.Font}),k.RULE(),k.RADIO("STIX (local)","font",{action:a.Font})),k.SUBMENU("Contextual Menu",{hidden:!m.showContext},k.RADIO("MathJax","context"),k.RADIO("Browser","context")),k.COMMAND("Scale All Math ...",a.Scale),k.RULE(),k.CHECKBOX("Highlight on Hover","discoverable")),k.RULE(),k.COMMAND("About MathJax",a.About),k.COMMAND("MathJax Help",a.Help))});a.showRenderer=function(o){a.cookie.showRenderer=m.showRenderer=o;a.saveCookie();a.menu.Find("Math Settings","Math Renderer").hidden=!o};a.showFontMenu=function(o){a.cookie.showFontMenu=m.showFontMenu=o;a.saveCookie();a.menu.Find("Math Settings","Font Preference").hidden=!o};a.showContext=function(o){a.cookie.showContext=m.showContext=o;a.saveCookie();a.menu.Find("Math Settings","Contextual Menu").hidden=!o};if(a.isMobile){(function(){var p=m.settings;var o=a.menu.Find("Math Settings","Zoom Trigger").menu;o.items[0].disabled=o.items[1].disabled=true;if(p.zoom==="Hover"||p.zoom=="Click"){p.zoom="None"}o.items=o.items.slice(0,4);if(navigator.appVersion.match(/[ (]Android[) ]/)){a.ITEM.SUBMENU.Augment({marker:"\u00BB"})}})()}e.Queue(c.Register.StartupHook("End Config",{}),["getImages",a],["Styles",i,m.styles],["Post",c.Startup.signal,"MathMenu Ready"],["loadComplete",i,"[MathJax]/extensions/MathMenu.js"])})(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.CallBack,MathJax.OutputJax);
 
diff --git a/config/TeX-AMS-MML_HTMLorMML-full.js b/config/TeX-AMS-MML_HTMLorMML-full.js
index 8f2d88ca0..e8ab488ce 100644
--- a/config/TeX-AMS-MML_HTMLorMML-full.js
+++ b/config/TeX-AMS-MML_HTMLorMML-full.js
@@ -53,7 +53,7 @@ MathJax.Extension.tex2jax={version:"1.1.3",config:{inlineMath:[["\\(","\\)"]],di
 
 MathJax.Extension.mml2jax={version:"1.1.2",config:{preview:"alttext"},MMLnamespace:"http://www.w3.org/1998/Math/MathML",PreProcess:function(e){if(!this.configured){this.config=MathJax.Hub.CombineConfig("mml2jax",this.config);if(this.config.Augment){MathJax.Hub.Insert(this,this.config.Augment)}this.InitBrowser();this.configured=true}if(typeof(e)==="string"){e=document.getElementById(e)}if(!e){e=document.body}this.ProcessMathArray(e.getElementsByTagName("math"));if(e.getElementsByTagNameNS){this.ProcessMathArray(e.getElementsByTagNameNS(this.MMLnamespace,"math"))}var d=document.getElementsByTagName("html")[0];if(d){for(var c=0,b=d.attributes.length;c<b;c++){var a=d.attributes[c];if(a.nodeName.substr(0,6)==="xmlns:"&&a.nodeValue===this.MMLnamespace){this.ProcessMathArray(e.getElementsByTagName(a.nodeName.substr(6)+":math"))}}}},ProcessMathArray:function(b){var a;if(b.length){if(this.MathTagBug){for(a=b.length-1;a>=0;a--){if(b[a].nodeName==="MATH"){this.ProcessMathFlattened(b[a])}else{this.ProcessMath(b[a])}}}else{for(a=b.length-1;a>=0;a--){this.ProcessMath(b[a])}}}},ProcessMath:function(e){var d=e.parentNode;var a=document.createElement("script");a.type="math/mml";d.insertBefore(a,e);if(this.AttributeBug){var b=this.OuterHTML(e);if(this.CleanupHTML){b=b.replace(/<\?import .*?>/i,"").replace(/<\?xml:namespace .*?\/>/i,"");b=b.replace(/&nbsp;/g,"&#xA0;")}MathJax.HTML.setScript(a,b);d.removeChild(e)}else{var c=MathJax.HTML.Element("span");c.appendChild(e);MathJax.HTML.setScript(a,c.innerHTML)}if(this.config.preview!=="none"){this.createPreview(e,a)}},ProcessMathFlattened:function(f){var d=f.parentNode;var b=document.createElement("script");b.type="math/mml";d.insertBefore(b,f);var c="",e,a=f;while(f&&f.nodeName!=="/MATH"){e=f;f=f.nextSibling;c+=this.NodeHTML(e);e.parentNode.removeChild(e)}if(f&&f.nodeName==="/MATH"){f.parentNode.removeChild(f)}b.text=c+"</math>";if(this.config.preview!=="none"){this.createPreview(a,b)}},NodeHTML:function(e){var c,b,a;if(e.nodeName==="#text"){c=this.quoteHTML(e.nodeValue)}else{if(e.nodeName==="#comment"){c="<!--"+e.nodeValue+"-->"}else{c="<"+e.nodeName.toLowerCase();for(b=0,a=e.attributes.length;b<a;b++){var d=e.attributes[b];if(d.specified){c+=" "+d.nodeName.toLowerCase().replace(/xmlns:xmlns/,"xmlns")+"=";var f=d.nodeValue;if(f==null&&d.nodeName==="style"&&e.style){f=e.style.cssText}c+='"'+this.quoteHTML(f)+'"'}}c+=">";if(e.outerHTML!=null&&e.outerHTML.match(/(.<\/[A-Z]+>|\/>)$/)){for(b=0,a=e.childNodes.length;b<a;b++){c+=this.OuterHTML(e.childNodes[b])}c+="</"+e.nodeName.toLowerCase()+">"}}}return c},OuterHTML:function(d){if(d.nodeName.charAt(0)==="#"){return this.NodeHTML(d)}if(!this.AttributeBug){return d.outerHTML}var c=this.NodeHTML(d);for(var b=0,a=d.childNodes.length;b<a;b++){c+=this.OuterHTML(d.childNodes[b])}c+="</"+d.nodeName.toLowerCase()+">";return c},quoteHTML:function(a){if(a==null){a=""}return a.replace(/&/g,"&#x26;").replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/"/g,"&quot;")},createPreview:function(b,a){var c;if(this.config.preview==="alttext"){var d=b.getAttribute("alttext");if(d!=null){c=[this.filterText(d)]}}else{if(this.config.preview instanceof Array){c=this.config.preview}}if(c){c=MathJax.HTML.Element("span",{className:MathJax.Hub.config.preRemoveClass},c);a.parentNode.insertBefore(c,a)}},filterText:function(a){return a},InitBrowser:function(){var b=MathJax.HTML.Element("span",{id:"<",className:"mathjax",innerHTML:"<math><mi>x</mi><mspace /></math>"});var a=b.outerHTML||"";this.AttributeBug=a!==""&&!(a.match(/id="&lt;"/)&&a.match(/class="mathjax"/)&&a.match(/<\/math>/));this.MathTagBug=b.childNodes.length>1;this.CleanupHTML=MathJax.Hub.Browser.isMSIE}};MathJax.Hub.Register.PreProcessor(["PreProcess",MathJax.Extension.mml2jax]);MathJax.Ajax.loadComplete("[MathJax]/extensions/mml2jax.js");
 
-(function(a,d,f,c,j){var k="1.1.3";var i=a.CombineConfig("MathZoom",{styles:{"#MathJax_Zoom":{position:"absolute","background-color":"#F0F0F0",overflow:"auto",display:"block","z-index":301,padding:".5em",border:"1px solid black",margin:0,"font-family":"serif","font-size":"85%","font-weight":"normal","font-style":"normal","text-align":"left","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","box-shadow":"5px 5px 15px #AAAAAA","-webkit-box-shadow":"5px 5px 15px #AAAAAA","-moz-box-shadow":"5px 5px 15px #AAAAAA","-khtml-box-shadow":"5px 5px 15px #AAAAAA",filter:"dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},"#MathJax_ZoomOverlay":{position:"absolute",left:0,top:0,"z-index":300,display:"inline-block",width:"100%",height:"100%",border:0,padding:0,margin:0,"background-color":"white",opacity:0,filter:"alpha(opacity=0)"}}});var e,b,g;MathJax.Hub.Register.StartupHook("MathEvents Ready",function(){g=MathJax.Extension.MathEvents.Event;e=MathJax.Extension.MathEvents.Event.False;b=MathJax.Extension.MathEvents.Hover});var h=MathJax.Extension.MathZoom={version:k,settings:a.config.menuSettings,HandleEvent:function(n,l,m){if(h.settings.CTRL&&!n.ctrlKey){return true}if(h.settings.ALT&&!n.altKey){return true}if(h.settings.CMD&&!n.metaKey){return true}if(h.settings.Shift&&!n.shiftKey){return true}if(!h[l]){return true}return h[l](n,m)},Click:function(m,l){if(this.settings.zoom==="Click"){return this.Zoom(m,l)}},DblClick:function(m,l){if(this.settings.zoom==="Double-Click"){return this.Zoom(m,l)}},Hover:function(m,l){if(this.settings.zoom==="Hover"){this.Zoom(m,l);return true}return false},Zoom:function(n,t){this.Remove();b.ClearHoverTimer();g.ClearSelection();var q=MathJax.OutputJax[t.jaxID];var o=q.getJaxFromMath(t),s=o.root;if(o.hover){b.UnHover(o)}var l=Math.floor(0.85*document.body.clientWidth),r=Math.floor(0.85*document.body.clientHeight);var m=d.Element("span",{style:{position:"relative",display:"inline-block",height:0,width:0},id:"MathJax_ZoomFrame"},[["span",{id:"MathJax_ZoomOverlay",onmousedown:this.Remove}],["span",{id:"MathJax_Zoom",onclick:this.Remove,style:{visibility:"hidden",fontSize:this.settings.zscale,"max-width":l+"px","max-height":r+"px"}},[["span",{style:{display:"inline-block","white-space":"nowrap"}}]]]]);var x=m.lastChild,v=x.firstChild,p=m.firstChild;t.parentNode.insertBefore(m,t);if(v.addEventListener){v.addEventListener("mousedown",this.Remove,true)}if(this.msieZIndexBug){var u=d.addElement(document.body,"img",{src:"about:blank",id:"MathJax_ZoomTracker",width:0,height:0,style:{width:0,height:0,position:"relative"}});m.style.position="relative";m.style.zIndex=i.styles["#MathJax_ZoomOverlay"]["z-index"];m=u}var w=q.Zoom(s,v,t,l,r);if(this.msiePositionBug){if(this.msieSizeBug){x.style.height=w.zH+"px";x.style.width=w.zW+"px"}if(x.offsetHeight>r){x.style.height=r+"px";v.style.marginRight="16px"}if(x.offsetWidth>l){x.style.width=l+"px";v.style.marginBottom="16px"}}if(this.operaPositionBug){x.style.width=Math.min(l,w.zW)+"px"}if(x.offsetWidth<l&&x.offsetHeight<r){x.style.overflow="visible"}this.Position(x,w);x.style.visibility="";if(this.settings.zoom==="Hover"){p.onmouseover=this.Remove}if(window.addEventListener){addEventListener("resize",this.Resize,false)}else{if(window.attachEvent){attachEvent("onresize",this.Resize)}else{this.onresize=window.onresize;window.onresize=this.Resize}}return e(n)},Position:function(p,r){var q=this.Resize(),m=q.x,s=q.y,l=r.mW;var o=-Math.floor((p.offsetWidth-l)/2),n=r.Y;p.style.left=Math.max(o,10-m)+"px";p.style.top=Math.max(n,10-s)+"px"},Resize:function(n){if(h.onresize){h.onresize(n)}var l=0,q=0,p=document.getElementById("MathJax_ZoomFrame"),o=p,m=document.getElementById("MathJax_ZoomOverlay");if(h.operaPositionBug){p.style.border="1px solid"}if(o.offsetParent){do{l+=o.offsetLeft;q+=o.offsetTop}while(o=o.offsetParent)}if(h.operaPositionBug){p.style.border=""}m.style.left=(-l)+"px";m.style.top=(-q)+"px";if(h.msiePositionBug){setTimeout(h.SetWH,0)}else{h.SetWH()}return{x:l,y:q}},SetWH:function(){var l=document.getElementById("MathJax_ZoomOverlay");l.style.width=l.style.height="1px";l.style.width=document.body.scrollWidth+"px";l.style.height=document.body.scrollHeight+"px"},Remove:function(m){var n=document.getElementById("MathJax_ZoomFrame");if(n){n.parentNode.removeChild(n);n=document.getElementById("MathJax_ZoomTracker");if(n){n.parentNode.removeChild(n)}if(h.operaRefreshBug){var l=d.addElement(document.body,"div",{style:{position:"fixed",left:0,top:0,width:"100%",height:"100%",backgroundColor:"white",opacity:0},id:"MathJax_OperaDiv"});document.body.removeChild(l)}if(window.removeEventListener){removeEventListener("resize",h.Resize,false)}else{if(window.detachEvent){detachEvent("onresize",h.Resize)}else{window.onresize=h.onresize;delete h.onresize}}}return e(m)}};a.Browser.Select({MSIE:function(l){var n=(document.documentMode||0);var m=(n>=9);h.msiePositionBug=!m;h.msieSizeBug=l.versionAtLeast("7.0")&&(!document.documentMode||n===7||n===8);h.msieZIndexBug=(n<=7);h.msieInlineBlockAlignBug=(n<=7);if(m){delete i.styles["#MathJax_Zoom"].filter}},Opera:function(l){h.operaPositionBug=true;h.operaRefreshBug=true}});h.topImg=(h.msieInlineBlockAlignBug?d.Element("img",{style:{width:0,height:0,position:"relative"},src:"about:blank"}):d.Element("span",{style:{width:0,height:0,display:"inline-block"}}));if(h.operaPositionBug||h.msieTopBug){h.topImg.style.border="1px solid"}MathJax.Callback.Queue(["StartupHook",MathJax.Hub.Register,"Begin Styles",{}],["Styles",f,i.styles],["Post",a.Startup.signal,"MathZoom Ready"],["loadComplete",f,"[MathJax]/extensions/MathZoom.js"])})(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.OutputJax["HTML-CSS"],MathJax.OutputJax.NativeMML);
+(function(a,d,f,c,j){var k="1.1.3";var i=a.CombineConfig("MathZoom",{styles:{"#MathJax_Zoom":{position:"absolute","background-color":"#F0F0F0",overflow:"auto",display:"block","z-index":301,padding:".5em",border:"1px solid black",margin:0,"font-family":"serif","font-size":"85%","font-weight":"normal","font-style":"normal","text-align":"left","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","box-shadow":"5px 5px 15px #AAAAAA","-webkit-box-shadow":"5px 5px 15px #AAAAAA","-moz-box-shadow":"5px 5px 15px #AAAAAA","-khtml-box-shadow":"5px 5px 15px #AAAAAA",filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},"#MathJax_ZoomOverlay":{position:"absolute",left:0,top:0,"z-index":300,display:"inline-block",width:"100%",height:"100%",border:0,padding:0,margin:0,"background-color":"white",opacity:0,filter:"alpha(opacity=0)"},"#MathJax_ZoomEventTrap":{position:"absolute",left:0,top:0,"z-index":302,display:"inline-block",border:0,padding:0,margin:0,"background-color":"white",opacity:0,filter:"alpha(opacity=0)"}}});var e,b,g;MathJax.Hub.Register.StartupHook("MathEvents Ready",function(){g=MathJax.Extension.MathEvents.Event;e=MathJax.Extension.MathEvents.Event.False;b=MathJax.Extension.MathEvents.Hover});var h=MathJax.Extension.MathZoom={version:k,settings:a.config.menuSettings,scrollSize:18,HandleEvent:function(n,l,m){if(h.settings.CTRL&&!n.ctrlKey){return true}if(h.settings.ALT&&!n.altKey){return true}if(h.settings.CMD&&!n.metaKey){return true}if(h.settings.Shift&&!n.shiftKey){return true}if(!h[l]){return true}return h[l](n,m)},Click:function(m,l){if(this.settings.zoom==="Click"){return this.Zoom(m,l)}},DblClick:function(m,l){if(this.settings.zoom==="Double-Click"){return this.Zoom(m,l)}},Hover:function(m,l){if(this.settings.zoom==="Hover"){this.Zoom(m,l);return true}return false},Zoom:function(n,t){this.Remove();b.ClearHoverTimer();g.ClearSelection();var q=MathJax.OutputJax[t.jaxID];var o=q.getJaxFromMath(t),s=o.root;if(o.hover){b.UnHover(o)}var l=Math.floor(0.85*document.body.clientWidth),r=Math.floor(0.85*document.body.clientHeight);var m=d.Element("span",{style:{position:"relative",display:"inline-block",height:0,width:0},id:"MathJax_ZoomFrame"},[["span",{id:"MathJax_ZoomOverlay",onmousedown:this.Remove}],["span",{id:"MathJax_Zoom",onclick:this.Remove,style:{visibility:"hidden",fontSize:this.settings.zscale,"max-width":l+"px","max-height":r+"px"}},[["span",{style:{display:"inline-block","white-space":"nowrap"}}]]]]);var y=m.lastChild,v=y.firstChild,p=m.firstChild;t.parentNode.insertBefore(m,t);if(v.addEventListener){v.addEventListener("mousedown",this.Remove,true)}if(this.msieTrapEventBug){var x=d.Element("span",{id:"MathJax_ZoomEventTrap",onmousedown:this.Remove});m.insertBefore(x,y)}if(this.msieZIndexBug){var u=d.addElement(document.body,"img",{src:"about:blank",id:"MathJax_ZoomTracker",width:0,height:0,style:{width:0,height:0,position:"relative"}});m.style.position="relative";m.style.zIndex=i.styles["#MathJax_ZoomOverlay"]["z-index"];m=u}var w=q.Zoom(s,v,t,l,r);if(this.msiePositionBug){if(this.msieSizeBug){y.style.height=w.zH+"px";y.style.width=w.zW+"px"}if(y.offsetHeight>r){y.style.height=r+"px";y.style.width=(w.zW+this.scrollSize)+"px"}if(y.offsetWidth>l){y.style.width=l+"px";y.style.height=(w.zH+this.scrollSize)+"px"}}if(this.operaPositionBug){y.style.width=Math.min(l,w.zW)+"px"}if(y.offsetWidth<l&&y.offsetHeight<r){y.style.overflow="visible"}this.Position(y,w);if(this.msieTrapEventBug){x.style.height=y.clientHeight+"px";x.style.width=y.clientWidth+"px";x.style.left=(parseFloat(y.style.left)+y.clientLeft)+"px";x.style.top=(parseFloat(y.style.top)+y.clientTop)+"px"}y.style.visibility="";if(this.settings.zoom==="Hover"){p.onmouseover=this.Remove}if(window.addEventListener){addEventListener("resize",this.Resize,false)}else{if(window.attachEvent){attachEvent("onresize",this.Resize)}else{this.onresize=window.onresize;window.onresize=this.Resize}}return e(n)},Position:function(p,r){var q=this.Resize(),m=q.x,s=q.y,l=r.mW;var o=-Math.floor((p.offsetWidth-l)/2),n=r.Y;p.style.left=Math.max(o,10-m)+"px";p.style.top=Math.max(n,10-s)+"px"},Resize:function(n){if(h.onresize){h.onresize(n)}var l=0,q=0,p=document.getElementById("MathJax_ZoomFrame"),o=p,m=document.getElementById("MathJax_ZoomOverlay");if(h.operaPositionBug){p.style.border="1px solid"}if(o.offsetParent){do{l+=o.offsetLeft;q+=o.offsetTop}while(o=o.offsetParent)}if(h.operaPositionBug){p.style.border=""}m.style.left=(-l)+"px";m.style.top=(-q)+"px";if(h.msiePositionBug){setTimeout(h.SetWH,0)}else{h.SetWH()}return{x:l,y:q}},SetWH:function(){var l=document.getElementById("MathJax_ZoomOverlay");l.style.width=l.style.height="1px";l.style.width=document.body.scrollWidth+"px";l.style.height=document.body.scrollHeight+"px"},Remove:function(m){var n=document.getElementById("MathJax_ZoomFrame");if(n){n.parentNode.removeChild(n);n=document.getElementById("MathJax_ZoomTracker");if(n){n.parentNode.removeChild(n)}if(h.operaRefreshBug){var l=d.addElement(document.body,"div",{style:{position:"fixed",left:0,top:0,width:"100%",height:"100%",backgroundColor:"white",opacity:0},id:"MathJax_OperaDiv"});document.body.removeChild(l)}if(window.removeEventListener){removeEventListener("resize",h.Resize,false)}else{if(window.detachEvent){detachEvent("onresize",h.Resize)}else{window.onresize=h.onresize;delete h.onresize}}}return e(m)}};a.Browser.Select({MSIE:function(l){var n=(document.documentMode||0);var m=(n>=9);h.msiePositionBug=!m;h.msieSizeBug=l.versionAtLeast("7.0")&&(!document.documentMode||n===7||n===8);h.msieZIndexBug=(n<=7);h.msieInlineBlockAlignBug=(n<=7);h.msieTrapEventBug=!window.addEventListener;if(document.compatMode==="BackCompat"){h.scrollSize=52}if(m){delete i.styles["#MathJax_Zoom"].filter}},Opera:function(l){h.operaPositionBug=true;h.operaRefreshBug=true}});h.topImg=(h.msieInlineBlockAlignBug?d.Element("img",{style:{width:0,height:0,position:"relative"},src:"about:blank"}):d.Element("span",{style:{width:0,height:0,display:"inline-block"}}));if(h.operaPositionBug||h.msieTopBug){h.topImg.style.border="1px solid"}MathJax.Callback.Queue(["StartupHook",MathJax.Hub.Register,"Begin Styles",{}],["Styles",f,i.styles],["Post",a.Startup.signal,"MathZoom Ready"],["loadComplete",f,"[MathJax]/extensions/MathZoom.js"])})(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.OutputJax["HTML-CSS"],MathJax.OutputJax.NativeMML);
 
 (function(c,f,i,e,b){var n="1.1.8";MathJax.Extension.MathMenu={version:n};var l=c.Browser.isPC,j=c.Browser.isMSIE;var h=(l?null:"5px");var m=c.CombineConfig("MathMenu",{delay:150,helpURL:"http://www.mathjax.org/help/user/",closeImg:i.fileURL(b.imageDir+"/CloseX-31.png"),showRenderer:true,showFontMenu:false,showContext:false,windowSettings:{status:"no",toolbar:"no",locationbar:"no",menubar:"no",directories:"no",personalbar:"no",resizable:"yes",scrollbars:"yes",width:100,height:50},styles:{"#MathJax_About":{position:"fixed",left:"50%",width:"auto","text-align":"center",border:"3px outset",padding:"1em 2em","background-color":"#DDDDDD",color:"black",cursor:"default","font-family":"message-box","font-size":"120%","font-style":"normal","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","z-index":201,"border-radius":"15px","-webkit-border-radius":"15px","-moz-border-radius":"15px","-khtml-border-radius":"15px","box-shadow":"0px 10px 20px #808080","-webkit-box-shadow":"0px 10px 20px #808080","-moz-box-shadow":"0px 10px 20px #808080","-khtml-box-shadow":"0px 10px 20px #808080",filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},".MathJax_Menu":{position:"absolute","background-color":"white",color:"black",width:"auto",padding:(l?"2px":"5px 0px"),border:"1px solid #CCCCCC",margin:0,cursor:"default",font:"menu","text-align":"left","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","z-index":201,"border-radius":h,"-webkit-border-radius":h,"-moz-border-radius":h,"-khtml-border-radius":h,"box-shadow":"0px 10px 20px #808080","-webkit-box-shadow":"0px 10px 20px #808080","-moz-box-shadow":"0px 10px 20px #808080","-khtml-box-shadow":"0px 10px 20px #808080",filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},".MathJax_MenuItem":{padding:(l?"2px 2em":"1px 2em"),background:"transparent"},".MathJax_MenuTitle":{"background-color":"#CCCCCC",margin:(l?"-1px -1px 1px -1px":"-5px 0 0 0"),"text-align":"center","font-style":"italic","font-size":"80%",color:"#444444",padding:"2px 0",overflow:"hidden"},".MathJax_MenuArrow":{position:"absolute",right:".5em",color:"#666666","font-family":(j?"'Arial unicode MS'":null)},".MathJax_MenuActive .MathJax_MenuArrow":{color:"white"},".MathJax_MenuCheck":{position:"absolute",left:".7em","font-family":(j?"'Arial unicode MS'":null)},".MathJax_MenuRadioCheck":{position:"absolute",left:(l?"1em":".7em")},".MathJax_MenuLabel":{padding:(l?"2px 2em 4px 1.33em":"1px 2em 3px 1.33em"),"font-style":"italic"},".MathJax_MenuRule":{"border-top":(l?"1px solid #CCCCCC":"1px solid #DDDDDD"),margin:(l?"4px 1px 0px":"4px 3px")},".MathJax_MenuDisabled":{color:"GrayText"},".MathJax_MenuActive":{"background-color":(l?"Highlight":"#606872"),color:(l?"HighlightText":"white")},".MathJax_Menu_Close":{position:"absolute",width:"31px",height:"31px",top:"-15px",left:"-15px"}}});var g,d;c.Register.StartupHook("MathEvents Ready",function(){g=MathJax.Extension.MathEvents.Event.False;d=MathJax.Extension.MathEvents.Hover});var a=MathJax.Menu=MathJax.Object.Subclass({version:n,items:[],posted:false,title:null,margin:5,Init:function(o){this.items=[].slice.call(arguments,0)},With:function(o){if(o){c.Insert(this,o)}return this},Post:function(p,z){if(!p){p=window.event}var v=(!this.title?null:[["div",{className:"MathJax_MenuTitle"},[this.title]]]);var o=document.getElementById("MathJax_MenuFrame");if(!o){o=a.Background(this);delete k.lastItem;delete k.lastMenu;delete a.skipUp}var q=f.addElement(o,"div",{onmouseup:a.Mouseup,ondblclick:g,ondragstart:g,onselectstart:g,oncontextmenu:g,menuItem:this,className:"MathJax_Menu"},v);for(var s=0,r=this.items.length;s<r;s++){this.items[s].Create(q)}if(a.isMobile){f.addElement(q,"img",{className:"MathJax_Menu_Close",menu:z,src:m.closeImg,ontouchstart:a.Close,ontouchend:g,onmousedown:a.Close})}this.posted=true;q.style.width=(q.offsetWidth+2)+"px";var w=p.pageX,u=p.pageY;if(!w&&!u){w=p.clientX+document.body.scrollLeft+document.documentElement.scrollLeft;u=p.clientY+document.body.scrollTop+document.documentElement.scrollTop}if(!z){if(w+q.offsetWidth>document.body.offsetWidth-this.margin){w=document.body.offsetWidth-q.offsetWidth-this.margin}if(a.isMobile){w=Math.max(5,w-Math.floor(q.offsetWidth/2));u-=20}a.skipUp=p.isContextMenu}else{var t="left",A=z.offsetWidth;w=(a.isMobile?30:A-2);u=0;while(z&&z!==o){w+=z.offsetLeft;u+=z.offsetTop;z=z.parentNode}if(w+q.offsetWidth>document.body.offsetWidth-this.margin&&!a.isMobile){t="right";w=Math.max(this.margin,w-A-q.offsetWidth+6)}if(!l){q.style["borderRadiusTop"+t]=0;q.style["WebkitBorderRadiusTop"+t]=0;q.style["MozBorderRadiusTop"+t]=0;q.style["KhtmlBorderRadiusTop"+t]=0}}q.style.left=w+"px";q.style.top=u+"px";if(document.selection&&document.selection.empty){document.selection.empty()}return g(p)},Remove:function(o,p){var q=document.getElementById("MathJax_MenuFrame");if(q){q.parentNode.removeChild(q);if(this.msieBackgroundBug){detachEvent("onresize",a.Resize)}}if(a.jax.hover){delete a.jax.hover.nofade;d.UnHover(a.jax)}},Find:function(p){var r=[].slice.call(arguments,1);for(var q=0,o=this.items.length;q<o;q++){if(this.items[q].name===p){if(r.length){if(!this.items[q].menu){return null}return this.items[q].menu.Find.apply(this.items[q].menu,r)}return this.items[q]}}return null}},{config:m,div:null,Close:function(o){return a.Event(o,this.menu||this.parentNode,(this.menu?"Touchend":"Remove"))},Remove:function(o){return a.Event(o,this,"Remove")},Mouseover:function(o){return a.Event(o,this,"Mouseover")},Mouseout:function(o){return a.Event(o,this,"Mouseout")},Mousedown:function(o){return a.Event(o,this,"Mousedown")},Mouseup:function(o){return a.Event(o,this,"Mouseup")},Touchstart:function(o){return a.Event(o,this,"Touchstart")},Touchend:function(o){return a.Event(o,this,"Touchend")},Event:function(q,s,o,r){if(a.skipMouseover&&o==="Mouseover"&&!r){return g(q)}if(a.skipUp){if(o.match(/Mouseup|Touchend/)){delete a.skipUp;return g(q)}if(o==="Touchstart"||(o==="Mousedown"&&!a.skipMousedown)){delete a.skipUp}}if(!q){q=window.event}var p=s.menuItem;if(p&&p[o]){return p[o](q,s)}return null},BGSTYLE:{position:"absolute",left:0,top:0,"z-index":200,width:"100%",height:"100%",border:0,padding:0,margin:0},Background:function(p){var q=f.addElement(document.body,"div",{style:this.BGSTYLE,id:"MathJax_MenuFrame"},[["div",{style:this.BGSTYLE,menuItem:p,onmousedown:this.Remove}]]);var o=q.firstChild;if(p.msieBackgroundBug){o.style.backgroundColor="white";o.style.filter="alpha(opacity=0)";q.width=q.height=0;this.Resize();attachEvent("onresize",this.Resize)}else{o.style.position="fixed"}return q},Resize:function(){setTimeout(a.SetWH,0)},SetWH:function(){var o=document.getElementById("MathJax_MenuFrame");if(o){o=o.firstChild;o.style.width=o.style.height="1px";o.style.width=document.body.scrollWidth+"px";o.style.height=document.body.scrollHeight+"px"}},saveCookie:function(){f.Cookie.Set("menu",this.cookie)},getCookie:function(){this.cookie=f.Cookie.Get("menu")},getImages:function(){if(a.isMobile){var o=new Image();o.src=m.closeImg}}});var k=a.ITEM=MathJax.Object.Subclass({name:"",Create:function(p){if(!this.hidden){var o={onmouseover:a.Mouseover,onmouseout:a.Mouseout,onmouseup:a.Mouseup,onmousedown:a.Mousedown,ondragstart:g,onselectstart:g,onselectend:g,ontouchstart:a.Touchstart,ontouchend:a.Touchend,className:"MathJax_MenuItem",menuItem:this};if(this.disabled){o.className+=" MathJax_MenuDisabled"}f.addElement(p,"div",o,this.Label(o,p))}},Mouseover:function(s,u){if(!this.disabled){this.Activate(u)}if(!this.menu||!this.menu.posted){var t=document.getElementById("MathJax_MenuFrame").childNodes,p=u.parentNode.childNodes;for(var q=0,o=p.length;q<o;q++){var r=p[q].menuItem;if(r&&r.menu&&r.menu.posted){r.Deactivate(p[q])}}o=t.length-1;while(o>=0&&u.parentNode.menuItem!==t[o].menuItem){t[o].menuItem.posted=false;t[o].parentNode.removeChild(t[o]);o--}if(this.Timer&&!a.isMobile){this.Timer(s,u)}}},Mouseout:function(o,p){if(!this.menu||!this.menu.posted){this.Deactivate(p)}if(this.timer){clearTimeout(this.timer);delete this.timer}},Mouseup:function(o,p){return this.Remove(o,p)},Touchstart:function(o,p){return this.TouchEvent(o,p,"Mousedown")},Touchend:function(o,p){return this.TouchEvent(o,p,"Mouseup")},TouchEvent:function(p,q,o){if(this!==k.lastItem){if(k.lastMenu){a.Event(p,k.lastMenu,"Mouseout")}a.Event(p,q,"Mouseover",true);k.lastItem=this;k.lastMenu=q}if(this.nativeTouch){return null}a.Event(p,q,o);return false},Remove:function(o,p){p=p.parentNode.menuItem;return p.Remove(o,p)},Activate:function(o){this.Deactivate(o);o.className+=" MathJax_MenuActive"},Deactivate:function(o){o.className=o.className.replace(/ MathJax_MenuActive/,"")},With:function(o){if(o){c.Insert(this,o)}return this}});a.ITEM.COMMAND=a.ITEM.Subclass({action:function(){},Init:function(o,q,p){this.name=o;this.action=q;this.With(p)},Label:function(o,p){return[this.name]},Mouseup:function(o,p){if(!this.disabled){this.Remove(o,p);this.action.call(this,o)}return g(o)}});a.ITEM.SUBMENU=a.ITEM.Subclass({menu:null,marker:(l&&!c.Browser.isSafari?"\u25B6":"\u25B8"),Init:function(o,q){this.name=o;var p=1;if(!(q instanceof a.ITEM)){this.With(q),p++}this.menu=a.apply(a,[].slice.call(arguments,p))},Label:function(o,p){this.menu.posted=false;return[this.name+" ",["span",{className:"MathJax_MenuArrow"},[this.marker]]]},Timer:function(o,p){if(this.timer){clearTimeout(this.timer)}o={clientX:o.clientX,clientY:o.clientY};this.timer=setTimeout(e(["Mouseup",this,o,p]),m.delay)},Touchend:function(p,r){var q=this.menu.posted;var o=this.SUPER(arguments).Touchend.apply(this,arguments);if(q){this.Deactivate(r);delete k.lastItem;delete k.lastMenu}return o},Mouseup:function(p,r){if(!this.disabled){if(!this.menu.posted){if(this.timer){clearTimeout(this.timer);delete this.timer}this.menu.Post(p,r)}else{var q=document.getElementById("MathJax_MenuFrame").childNodes,o=q.length-1;while(o>=0){var s=q[o];s.menuItem.posted=false;s.parentNode.removeChild(s);if(s.menuItem===this.menu){break}o--}}}return g(p)}});a.ITEM.RADIO=a.ITEM.Subclass({variable:null,marker:(l?"\u25CF":"\u2713"),Init:function(p,o,q){this.name=p;this.variable=o;this.With(q);if(this.value==null){this.value=this.name}},Label:function(p,q){var o={className:"MathJax_MenuRadioCheck"};if(m.settings[this.variable]!==this.value){o={style:{display:"none"}}}return[["span",o,[this.marker]]," "+this.name]},Mouseup:function(r,s){if(!this.disabled){var t=s.parentNode.childNodes;for(var p=0,o=t.length;p<o;p++){var q=t[p].menuItem;if(q&&q.variable===this.variable){t[p].firstChild.style.display="none"}}s.firstChild.display="";m.settings[this.variable]=this.value;a.cookie[this.variable]=m.settings[this.variable];a.saveCookie();if(this.action){this.action.call(a)}}this.Remove(r,s);return g(r)}});a.ITEM.CHECKBOX=a.ITEM.Subclass({variable:null,marker:"\u2713",Init:function(p,o,q){this.name=p;this.variable=o;this.With(q)},Label:function(p,q){var o={className:"MathJax_MenuCheck"};if(!m.settings[this.variable]){o={style:{display:"none"}}}return[["span",o,[this.marker]]," "+this.name]},Mouseup:function(o,p){if(!this.disabled){p.firstChild.display=(m.settings[this.variable]?"none":"");m.settings[this.variable]=!m.settings[this.variable];a.cookie[this.variable]=m.settings[this.variable];a.saveCookie();if(this.action){this.action.call(a)}}this.Remove(o,p);return g(o)}});a.ITEM.LABEL=a.ITEM.Subclass({Init:function(o,p){this.name=o;this.With(p)},Label:function(o,p){delete o.onmouseover,delete o.onmouseout;delete o.onmousedown;o.className+=" MathJax_MenuLabel";return[this.name]}});a.ITEM.RULE=a.ITEM.Subclass({Label:function(o,p){delete o.onmouseover,delete o.onmouseout;delete o.onmousedown;o.className+=" MathJax_MenuRule";return null}});a.About=function(){var r=b["HTML-CSS"]||{fontInUse:""};var t=(r.webFonts?"":"local "),p=(r.webFonts?" web":"");var q=(r.imgFonts?"Image":t+r.fontInUse+p)+" fonts";var o=["MathJax.js v"+MathJax.fileversion,["br"]];o.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}]);a.About.GetJax(o,MathJax.InputJax,"Input Jax");a.About.GetJax(o,MathJax.OutputJax,"Output Jax");a.About.GetJax(o,MathJax.ElementJax,"Element Jax");o.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}]);a.About.GetJax(o,MathJax.Extension,"Extension",true);o.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}],["center",{},[c.Browser+" v"+c.Browser.version+(r.webFonts?" \u2014 "+r.allowWebFonts+" fonts":"")]]);a.About.div=a.Background(a.About);var u=f.addElement(a.About.div,"div",{id:"MathJax_About",onclick:a.About.Remove},[["b",{style:{fontSize:"120%"}},["MathJax"]]," v"+MathJax.version,["br"],"using "+q,["br"],["br"],["span",{style:{display:"inline-block","text-align":"left","font-size":"80%","background-color":"#E4E4E4",padding:".4em .6em",border:"1px inset"}},o],["br"],["br"],["a",{href:"http://www.mathjax.org/"},["www.mathjax.org"]]]);var v=(document.documentElement||{});var s=window.innerHeight||v.clientHeight||v.scrollHeight||0;if(a.prototype.msieAboutBug){u.style.width="20em";u.style.position="absolute";u.style.left=Math.floor((document.documentElement.scrollWidth-u.offsetWidth)/2)+"px";u.style.top=(Math.floor((s-u.offsetHeight)/3)+document.body.scrollTop)+"px"}else{u.style.marginLeft=Math.floor(-u.offsetWidth/2)+"px";u.style.top=Math.floor((s-u.offsetHeight)/3)+"px"}};a.About.Remove=function(o){if(a.About.div){document.body.removeChild(a.About.div);delete a.About.div}};a.About.GetJax=function(p,u,s,r){var t=[];for(var v in u){if(u.hasOwnProperty(v)&&u[v]){if((r&&u[v].version)||(u[v].isa&&u[v].isa(u))){t.push((u[v].id||v)+" "+s+" v"+u[v].version)}}}t.sort();for(var q=0,o=t.length;q<o;q++){p.push(t[q],["br"])}return p};a.Help=function(){window.open(m.helpURL,"MathJaxHelp")};a.ShowSource=function(r){if(!r){r=window.event}var q={screenX:r.screenX,screenY:r.screenY};if(!a.jax){return}if(this.format==="MathML"){var o=MathJax.ElementJax.mml;if(o&&typeof(o.mbase.prototype.toMathML)!=="undefined"){try{a.ShowSource.Text(a.jax.root.toMathML(),r)}catch(p){if(!p.restart){throw p}e.After([this,a.ShowSource,q])}}else{if(!i.loadingToMathML){i.loadingToMathML=true;a.ShowSource.Window(r);e.Queue(i.Require("[MathJax]/extensions/toMathML.js"),function(){delete i.loadingToMathML;if(!o.mbase.prototype.toMathML){o.mbase.prototype.toMathML=function(){}}},[this,a.ShowSource,q]);return}}}else{if(a.jax.originalText==null){alert("No TeX form available");return}a.ShowSource.Text(a.jax.originalText,r)}};a.ShowSource.Window=function(p){if(!a.ShowSource.w){var q=[],o=m.windowSettings;for(var r in o){if(o.hasOwnProperty(r)){q.push(r+"="+o[r])}}a.ShowSource.w=window.open("","_blank",q.join(","))}return a.ShowSource.w};a.ShowSource.Text=function(u,t){var q=a.ShowSource.Window(t);u=u.replace(/^\s*/,"").replace(/\s*$/,"");u=u.replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;");if(a.isMobile){q.document.open();q.document.write("<html><head><meta name='viewport' content='width=device-width, initial-scale=1.0' /><title>MathJax Equation Source</title></head><body style='font-size:85%'>");q.document.write("<pre>"+u+"</pre>");q.document.write("<hr><input type='button' value='Close' onclick='window.close()' />");q.document.write("</body></html>");q.document.close()}else{q.document.open();q.document.write("<html><head><title>MathJax Equation Source</title></head><body style='font-size:85%'>");q.document.write("<table><tr><td><pre>"+u+"</pre></td></tr></table>");q.document.write("</body></html>");q.document.close();var s=q.document.body.firstChild;var r=(q.outerHeight-q.innerHeight)||30,p=(q.outerWidth-q.innerWidth)||30;p=Math.min(Math.floor(0.5*screen.width),s.offsetWidth+p+25);r=Math.min(Math.floor(0.5*screen.height),s.offsetHeight+r+25);q.resizeTo(p,r);if(t&&t.screenX!=null){var o=Math.max(0,Math.min(t.screenX-Math.floor(p/2),screen.width-p-20)),v=Math.max(0,Math.min(t.screenY-Math.floor(r/2),screen.height-r-20));q.moveTo(o,v)}}delete a.ShowSource.w};a.Scale=function(){var p=b["HTML-CSS"],o=b.NativeMML;var r=(p?p.config.scale:o.config.scale);var q=prompt("Scale all mathematics (compared to surrounding text) by",r+"%");if(q){if(q.match(/^\s*\d+\s*%?\s*$/)){q=parseInt(q);if(q){if(q!==r){if(p){p.config.scale=q}if(o){o.config.scale=q}a.cookie.scale=q;a.saveCookie();c.Reprocess()}}else{alert("The scale should not be zero")}}else{alert("The scale should be a perentage (e.g., 120%)")}}};a.Zoom=function(){if(!MathJax.Extension.MathZoom){i.Require("[MathJax]/extensions/MathZoom.js")}};a.Renderer=function(){var o=c.config.outputJax["jax/mml"];if(o[0]!==m.settings.renderer){e.Queue(["Require",i,"[MathJax]/jax/output/"+m.settings.renderer+"/config.js"],["Post",c.Startup.signal,m.settings.renderer+" output selected"],[function(){var r=b[m.settings.renderer];for(var q=0,p=o.length;q<p;q++){if(o[q]===r){o.splice(q,1);break}}o.unshift(r)}],["Reprocess",c])}};a.Font=function(){var o=b["HTML-CSS"];if(!o){return}document.location.reload()};c.Browser.Select({MSIE:function(o){var p=(document.compatMode==="BackCompat");var q=o.versionAtLeast("8.0")&&document.documentMode>7;a.Augment({margin:20,msieBackgroundBug:(p||!q),msieAboutBug:p});if(document.documentMode>=9){delete m.styles["#MathJax_About"].filter;delete m.styles[".MathJax_Menu"].filter}},Firefox:function(o){a.skipMouseover=o.isMobile&&o.versionAtLeast("6.0");a.skipMousedown=o.isMobile}});a.isMobile=c.Browser.isMobile;a.noContextMenu=c.Browser.noContextMenu;c.Register.StartupHook("End Config",function(){m.settings=c.config.menuSettings;if(typeof(m.settings.showRenderer)!=="undefined"){m.showRenderer=m.settings.showRenderer}if(typeof(m.settings.showFontMenu)!=="undefined"){m.showFontMenu=m.settings.showFontMenu}if(typeof(m.settings.showContext)!=="undefined"){m.showContext=m.settings.showContext}a.getCookie();a.menu=a(k.SUBMENU("Show Math As",k.COMMAND("MathML Code",a.ShowSource,{nativeTouch:true,format:"MathML"}),k.COMMAND("Original Form",a.ShowSource,{nativeTouch:true})),k.RULE(),k.SUBMENU("Math Settings",k.SUBMENU("Zoom Trigger",k.RADIO("Hover","zoom",{action:a.Zoom}),k.RADIO("Click","zoom",{action:a.Zoom}),k.RADIO("Double-Click","zoom",{action:a.Zoom}),k.RADIO("No Zoom","zoom",{value:"None"}),k.RULE(),k.LABEL("Trigger Requires:"),k.CHECKBOX((c.Browser.isMac?"Option":"Alt"),"ALT"),k.CHECKBOX("Command","CMD",{hidden:!c.Browser.isMac}),k.CHECKBOX("Control","CTRL",{hidden:c.Browser.isMac}),k.CHECKBOX("Shift","Shift")),k.SUBMENU("Zoom Factor",k.RADIO("125%","zscale"),k.RADIO("133%","zscale"),k.RADIO("150%","zscale"),k.RADIO("175%","zscale"),k.RADIO("200%","zscale"),k.RADIO("250%","zscale"),k.RADIO("300%","zscale"),k.RADIO("400%","zscale")),k.RULE(),k.SUBMENU("Math Renderer",{hidden:!m.showRenderer},k.RADIO("HTML-CSS","renderer",{action:a.Renderer}),k.RADIO("MathML","renderer",{action:a.Renderer,value:"NativeMML"})),k.SUBMENU("Font Preference",{hidden:!m.showFontMenu},k.LABEL("For HTML-CSS:"),k.RADIO("Auto","font",{action:a.Font}),k.RULE(),k.RADIO("TeX (local)","font",{action:a.Font}),k.RADIO("TeX (web)","font",{action:a.Font}),k.RADIO("TeX (image)","font",{action:a.Font}),k.RULE(),k.RADIO("STIX (local)","font",{action:a.Font})),k.SUBMENU("Contextual Menu",{hidden:!m.showContext},k.RADIO("MathJax","context"),k.RADIO("Browser","context")),k.COMMAND("Scale All Math ...",a.Scale),k.RULE(),k.CHECKBOX("Highlight on Hover","discoverable")),k.RULE(),k.COMMAND("About MathJax",a.About),k.COMMAND("MathJax Help",a.Help))});a.showRenderer=function(o){a.cookie.showRenderer=m.showRenderer=o;a.saveCookie();a.menu.Find("Math Settings","Math Renderer").hidden=!o};a.showFontMenu=function(o){a.cookie.showFontMenu=m.showFontMenu=o;a.saveCookie();a.menu.Find("Math Settings","Font Preference").hidden=!o};a.showContext=function(o){a.cookie.showContext=m.showContext=o;a.saveCookie();a.menu.Find("Math Settings","Contextual Menu").hidden=!o};if(a.isMobile){(function(){var p=m.settings;var o=a.menu.Find("Math Settings","Zoom Trigger").menu;o.items[0].disabled=o.items[1].disabled=true;if(p.zoom==="Hover"||p.zoom=="Click"){p.zoom="None"}o.items=o.items.slice(0,4);if(navigator.appVersion.match(/[ (]Android[) ]/)){a.ITEM.SUBMENU.Augment({marker:"\u00BB"})}})()}e.Queue(c.Register.StartupHook("End Config",{}),["getImages",a],["Styles",i,m.styles],["Post",c.Startup.signal,"MathMenu Ready"],["loadComplete",i,"[MathJax]/extensions/MathMenu.js"])})(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.CallBack,MathJax.OutputJax);
 
diff --git a/config/TeX-AMS-MML_HTMLorMML.js b/config/TeX-AMS-MML_HTMLorMML.js
index 2ba454729..bb5850d3d 100644
--- a/config/TeX-AMS-MML_HTMLorMML.js
+++ b/config/TeX-AMS-MML_HTMLorMML.js
@@ -50,7 +50,7 @@ MathJax.Extension.tex2jax={version:"1.1.3",config:{inlineMath:[["\\(","\\)"]],di
 
 MathJax.Extension.mml2jax={version:"1.1.2",config:{preview:"alttext"},MMLnamespace:"http://www.w3.org/1998/Math/MathML",PreProcess:function(e){if(!this.configured){this.config=MathJax.Hub.CombineConfig("mml2jax",this.config);if(this.config.Augment){MathJax.Hub.Insert(this,this.config.Augment)}this.InitBrowser();this.configured=true}if(typeof(e)==="string"){e=document.getElementById(e)}if(!e){e=document.body}this.ProcessMathArray(e.getElementsByTagName("math"));if(e.getElementsByTagNameNS){this.ProcessMathArray(e.getElementsByTagNameNS(this.MMLnamespace,"math"))}var d=document.getElementsByTagName("html")[0];if(d){for(var c=0,b=d.attributes.length;c<b;c++){var a=d.attributes[c];if(a.nodeName.substr(0,6)==="xmlns:"&&a.nodeValue===this.MMLnamespace){this.ProcessMathArray(e.getElementsByTagName(a.nodeName.substr(6)+":math"))}}}},ProcessMathArray:function(b){var a;if(b.length){if(this.MathTagBug){for(a=b.length-1;a>=0;a--){if(b[a].nodeName==="MATH"){this.ProcessMathFlattened(b[a])}else{this.ProcessMath(b[a])}}}else{for(a=b.length-1;a>=0;a--){this.ProcessMath(b[a])}}}},ProcessMath:function(e){var d=e.parentNode;var a=document.createElement("script");a.type="math/mml";d.insertBefore(a,e);if(this.AttributeBug){var b=this.OuterHTML(e);if(this.CleanupHTML){b=b.replace(/<\?import .*?>/i,"").replace(/<\?xml:namespace .*?\/>/i,"");b=b.replace(/&nbsp;/g,"&#xA0;")}MathJax.HTML.setScript(a,b);d.removeChild(e)}else{var c=MathJax.HTML.Element("span");c.appendChild(e);MathJax.HTML.setScript(a,c.innerHTML)}if(this.config.preview!=="none"){this.createPreview(e,a)}},ProcessMathFlattened:function(f){var d=f.parentNode;var b=document.createElement("script");b.type="math/mml";d.insertBefore(b,f);var c="",e,a=f;while(f&&f.nodeName!=="/MATH"){e=f;f=f.nextSibling;c+=this.NodeHTML(e);e.parentNode.removeChild(e)}if(f&&f.nodeName==="/MATH"){f.parentNode.removeChild(f)}b.text=c+"</math>";if(this.config.preview!=="none"){this.createPreview(a,b)}},NodeHTML:function(e){var c,b,a;if(e.nodeName==="#text"){c=this.quoteHTML(e.nodeValue)}else{if(e.nodeName==="#comment"){c="<!--"+e.nodeValue+"-->"}else{c="<"+e.nodeName.toLowerCase();for(b=0,a=e.attributes.length;b<a;b++){var d=e.attributes[b];if(d.specified){c+=" "+d.nodeName.toLowerCase().replace(/xmlns:xmlns/,"xmlns")+"=";var f=d.nodeValue;if(f==null&&d.nodeName==="style"&&e.style){f=e.style.cssText}c+='"'+this.quoteHTML(f)+'"'}}c+=">";if(e.outerHTML!=null&&e.outerHTML.match(/(.<\/[A-Z]+>|\/>)$/)){for(b=0,a=e.childNodes.length;b<a;b++){c+=this.OuterHTML(e.childNodes[b])}c+="</"+e.nodeName.toLowerCase()+">"}}}return c},OuterHTML:function(d){if(d.nodeName.charAt(0)==="#"){return this.NodeHTML(d)}if(!this.AttributeBug){return d.outerHTML}var c=this.NodeHTML(d);for(var b=0,a=d.childNodes.length;b<a;b++){c+=this.OuterHTML(d.childNodes[b])}c+="</"+d.nodeName.toLowerCase()+">";return c},quoteHTML:function(a){if(a==null){a=""}return a.replace(/&/g,"&#x26;").replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/"/g,"&quot;")},createPreview:function(b,a){var c;if(this.config.preview==="alttext"){var d=b.getAttribute("alttext");if(d!=null){c=[this.filterText(d)]}}else{if(this.config.preview instanceof Array){c=this.config.preview}}if(c){c=MathJax.HTML.Element("span",{className:MathJax.Hub.config.preRemoveClass},c);a.parentNode.insertBefore(c,a)}},filterText:function(a){return a},InitBrowser:function(){var b=MathJax.HTML.Element("span",{id:"<",className:"mathjax",innerHTML:"<math><mi>x</mi><mspace /></math>"});var a=b.outerHTML||"";this.AttributeBug=a!==""&&!(a.match(/id="&lt;"/)&&a.match(/class="mathjax"/)&&a.match(/<\/math>/));this.MathTagBug=b.childNodes.length>1;this.CleanupHTML=MathJax.Hub.Browser.isMSIE}};MathJax.Hub.Register.PreProcessor(["PreProcess",MathJax.Extension.mml2jax]);MathJax.Ajax.loadComplete("[MathJax]/extensions/mml2jax.js");
 
-(function(a,d,f,c,j){var k="1.1.3";var i=a.CombineConfig("MathZoom",{styles:{"#MathJax_Zoom":{position:"absolute","background-color":"#F0F0F0",overflow:"auto",display:"block","z-index":301,padding:".5em",border:"1px solid black",margin:0,"font-family":"serif","font-size":"85%","font-weight":"normal","font-style":"normal","text-align":"left","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","box-shadow":"5px 5px 15px #AAAAAA","-webkit-box-shadow":"5px 5px 15px #AAAAAA","-moz-box-shadow":"5px 5px 15px #AAAAAA","-khtml-box-shadow":"5px 5px 15px #AAAAAA",filter:"dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},"#MathJax_ZoomOverlay":{position:"absolute",left:0,top:0,"z-index":300,display:"inline-block",width:"100%",height:"100%",border:0,padding:0,margin:0,"background-color":"white",opacity:0,filter:"alpha(opacity=0)"}}});var e,b,g;MathJax.Hub.Register.StartupHook("MathEvents Ready",function(){g=MathJax.Extension.MathEvents.Event;e=MathJax.Extension.MathEvents.Event.False;b=MathJax.Extension.MathEvents.Hover});var h=MathJax.Extension.MathZoom={version:k,settings:a.config.menuSettings,HandleEvent:function(n,l,m){if(h.settings.CTRL&&!n.ctrlKey){return true}if(h.settings.ALT&&!n.altKey){return true}if(h.settings.CMD&&!n.metaKey){return true}if(h.settings.Shift&&!n.shiftKey){return true}if(!h[l]){return true}return h[l](n,m)},Click:function(m,l){if(this.settings.zoom==="Click"){return this.Zoom(m,l)}},DblClick:function(m,l){if(this.settings.zoom==="Double-Click"){return this.Zoom(m,l)}},Hover:function(m,l){if(this.settings.zoom==="Hover"){this.Zoom(m,l);return true}return false},Zoom:function(n,t){this.Remove();b.ClearHoverTimer();g.ClearSelection();var q=MathJax.OutputJax[t.jaxID];var o=q.getJaxFromMath(t),s=o.root;if(o.hover){b.UnHover(o)}var l=Math.floor(0.85*document.body.clientWidth),r=Math.floor(0.85*document.body.clientHeight);var m=d.Element("span",{style:{position:"relative",display:"inline-block",height:0,width:0},id:"MathJax_ZoomFrame"},[["span",{id:"MathJax_ZoomOverlay",onmousedown:this.Remove}],["span",{id:"MathJax_Zoom",onclick:this.Remove,style:{visibility:"hidden",fontSize:this.settings.zscale,"max-width":l+"px","max-height":r+"px"}},[["span",{style:{display:"inline-block","white-space":"nowrap"}}]]]]);var x=m.lastChild,v=x.firstChild,p=m.firstChild;t.parentNode.insertBefore(m,t);if(v.addEventListener){v.addEventListener("mousedown",this.Remove,true)}if(this.msieZIndexBug){var u=d.addElement(document.body,"img",{src:"about:blank",id:"MathJax_ZoomTracker",width:0,height:0,style:{width:0,height:0,position:"relative"}});m.style.position="relative";m.style.zIndex=i.styles["#MathJax_ZoomOverlay"]["z-index"];m=u}var w=q.Zoom(s,v,t,l,r);if(this.msiePositionBug){if(this.msieSizeBug){x.style.height=w.zH+"px";x.style.width=w.zW+"px"}if(x.offsetHeight>r){x.style.height=r+"px";v.style.marginRight="16px"}if(x.offsetWidth>l){x.style.width=l+"px";v.style.marginBottom="16px"}}if(this.operaPositionBug){x.style.width=Math.min(l,w.zW)+"px"}if(x.offsetWidth<l&&x.offsetHeight<r){x.style.overflow="visible"}this.Position(x,w);x.style.visibility="";if(this.settings.zoom==="Hover"){p.onmouseover=this.Remove}if(window.addEventListener){addEventListener("resize",this.Resize,false)}else{if(window.attachEvent){attachEvent("onresize",this.Resize)}else{this.onresize=window.onresize;window.onresize=this.Resize}}return e(n)},Position:function(p,r){var q=this.Resize(),m=q.x,s=q.y,l=r.mW;var o=-Math.floor((p.offsetWidth-l)/2),n=r.Y;p.style.left=Math.max(o,10-m)+"px";p.style.top=Math.max(n,10-s)+"px"},Resize:function(n){if(h.onresize){h.onresize(n)}var l=0,q=0,p=document.getElementById("MathJax_ZoomFrame"),o=p,m=document.getElementById("MathJax_ZoomOverlay");if(h.operaPositionBug){p.style.border="1px solid"}if(o.offsetParent){do{l+=o.offsetLeft;q+=o.offsetTop}while(o=o.offsetParent)}if(h.operaPositionBug){p.style.border=""}m.style.left=(-l)+"px";m.style.top=(-q)+"px";if(h.msiePositionBug){setTimeout(h.SetWH,0)}else{h.SetWH()}return{x:l,y:q}},SetWH:function(){var l=document.getElementById("MathJax_ZoomOverlay");l.style.width=l.style.height="1px";l.style.width=document.body.scrollWidth+"px";l.style.height=document.body.scrollHeight+"px"},Remove:function(m){var n=document.getElementById("MathJax_ZoomFrame");if(n){n.parentNode.removeChild(n);n=document.getElementById("MathJax_ZoomTracker");if(n){n.parentNode.removeChild(n)}if(h.operaRefreshBug){var l=d.addElement(document.body,"div",{style:{position:"fixed",left:0,top:0,width:"100%",height:"100%",backgroundColor:"white",opacity:0},id:"MathJax_OperaDiv"});document.body.removeChild(l)}if(window.removeEventListener){removeEventListener("resize",h.Resize,false)}else{if(window.detachEvent){detachEvent("onresize",h.Resize)}else{window.onresize=h.onresize;delete h.onresize}}}return e(m)}};a.Browser.Select({MSIE:function(l){var n=(document.documentMode||0);var m=(n>=9);h.msiePositionBug=!m;h.msieSizeBug=l.versionAtLeast("7.0")&&(!document.documentMode||n===7||n===8);h.msieZIndexBug=(n<=7);h.msieInlineBlockAlignBug=(n<=7);if(m){delete i.styles["#MathJax_Zoom"].filter}},Opera:function(l){h.operaPositionBug=true;h.operaRefreshBug=true}});h.topImg=(h.msieInlineBlockAlignBug?d.Element("img",{style:{width:0,height:0,position:"relative"},src:"about:blank"}):d.Element("span",{style:{width:0,height:0,display:"inline-block"}}));if(h.operaPositionBug||h.msieTopBug){h.topImg.style.border="1px solid"}MathJax.Callback.Queue(["StartupHook",MathJax.Hub.Register,"Begin Styles",{}],["Styles",f,i.styles],["Post",a.Startup.signal,"MathZoom Ready"],["loadComplete",f,"[MathJax]/extensions/MathZoom.js"])})(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.OutputJax["HTML-CSS"],MathJax.OutputJax.NativeMML);
+(function(a,d,f,c,j){var k="1.1.3";var i=a.CombineConfig("MathZoom",{styles:{"#MathJax_Zoom":{position:"absolute","background-color":"#F0F0F0",overflow:"auto",display:"block","z-index":301,padding:".5em",border:"1px solid black",margin:0,"font-family":"serif","font-size":"85%","font-weight":"normal","font-style":"normal","text-align":"left","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","box-shadow":"5px 5px 15px #AAAAAA","-webkit-box-shadow":"5px 5px 15px #AAAAAA","-moz-box-shadow":"5px 5px 15px #AAAAAA","-khtml-box-shadow":"5px 5px 15px #AAAAAA",filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},"#MathJax_ZoomOverlay":{position:"absolute",left:0,top:0,"z-index":300,display:"inline-block",width:"100%",height:"100%",border:0,padding:0,margin:0,"background-color":"white",opacity:0,filter:"alpha(opacity=0)"},"#MathJax_ZoomEventTrap":{position:"absolute",left:0,top:0,"z-index":302,display:"inline-block",border:0,padding:0,margin:0,"background-color":"white",opacity:0,filter:"alpha(opacity=0)"}}});var e,b,g;MathJax.Hub.Register.StartupHook("MathEvents Ready",function(){g=MathJax.Extension.MathEvents.Event;e=MathJax.Extension.MathEvents.Event.False;b=MathJax.Extension.MathEvents.Hover});var h=MathJax.Extension.MathZoom={version:k,settings:a.config.menuSettings,scrollSize:18,HandleEvent:function(n,l,m){if(h.settings.CTRL&&!n.ctrlKey){return true}if(h.settings.ALT&&!n.altKey){return true}if(h.settings.CMD&&!n.metaKey){return true}if(h.settings.Shift&&!n.shiftKey){return true}if(!h[l]){return true}return h[l](n,m)},Click:function(m,l){if(this.settings.zoom==="Click"){return this.Zoom(m,l)}},DblClick:function(m,l){if(this.settings.zoom==="Double-Click"){return this.Zoom(m,l)}},Hover:function(m,l){if(this.settings.zoom==="Hover"){this.Zoom(m,l);return true}return false},Zoom:function(n,t){this.Remove();b.ClearHoverTimer();g.ClearSelection();var q=MathJax.OutputJax[t.jaxID];var o=q.getJaxFromMath(t),s=o.root;if(o.hover){b.UnHover(o)}var l=Math.floor(0.85*document.body.clientWidth),r=Math.floor(0.85*document.body.clientHeight);var m=d.Element("span",{style:{position:"relative",display:"inline-block",height:0,width:0},id:"MathJax_ZoomFrame"},[["span",{id:"MathJax_ZoomOverlay",onmousedown:this.Remove}],["span",{id:"MathJax_Zoom",onclick:this.Remove,style:{visibility:"hidden",fontSize:this.settings.zscale,"max-width":l+"px","max-height":r+"px"}},[["span",{style:{display:"inline-block","white-space":"nowrap"}}]]]]);var y=m.lastChild,v=y.firstChild,p=m.firstChild;t.parentNode.insertBefore(m,t);if(v.addEventListener){v.addEventListener("mousedown",this.Remove,true)}if(this.msieTrapEventBug){var x=d.Element("span",{id:"MathJax_ZoomEventTrap",onmousedown:this.Remove});m.insertBefore(x,y)}if(this.msieZIndexBug){var u=d.addElement(document.body,"img",{src:"about:blank",id:"MathJax_ZoomTracker",width:0,height:0,style:{width:0,height:0,position:"relative"}});m.style.position="relative";m.style.zIndex=i.styles["#MathJax_ZoomOverlay"]["z-index"];m=u}var w=q.Zoom(s,v,t,l,r);if(this.msiePositionBug){if(this.msieSizeBug){y.style.height=w.zH+"px";y.style.width=w.zW+"px"}if(y.offsetHeight>r){y.style.height=r+"px";y.style.width=(w.zW+this.scrollSize)+"px"}if(y.offsetWidth>l){y.style.width=l+"px";y.style.height=(w.zH+this.scrollSize)+"px"}}if(this.operaPositionBug){y.style.width=Math.min(l,w.zW)+"px"}if(y.offsetWidth<l&&y.offsetHeight<r){y.style.overflow="visible"}this.Position(y,w);if(this.msieTrapEventBug){x.style.height=y.clientHeight+"px";x.style.width=y.clientWidth+"px";x.style.left=(parseFloat(y.style.left)+y.clientLeft)+"px";x.style.top=(parseFloat(y.style.top)+y.clientTop)+"px"}y.style.visibility="";if(this.settings.zoom==="Hover"){p.onmouseover=this.Remove}if(window.addEventListener){addEventListener("resize",this.Resize,false)}else{if(window.attachEvent){attachEvent("onresize",this.Resize)}else{this.onresize=window.onresize;window.onresize=this.Resize}}return e(n)},Position:function(p,r){var q=this.Resize(),m=q.x,s=q.y,l=r.mW;var o=-Math.floor((p.offsetWidth-l)/2),n=r.Y;p.style.left=Math.max(o,10-m)+"px";p.style.top=Math.max(n,10-s)+"px"},Resize:function(n){if(h.onresize){h.onresize(n)}var l=0,q=0,p=document.getElementById("MathJax_ZoomFrame"),o=p,m=document.getElementById("MathJax_ZoomOverlay");if(h.operaPositionBug){p.style.border="1px solid"}if(o.offsetParent){do{l+=o.offsetLeft;q+=o.offsetTop}while(o=o.offsetParent)}if(h.operaPositionBug){p.style.border=""}m.style.left=(-l)+"px";m.style.top=(-q)+"px";if(h.msiePositionBug){setTimeout(h.SetWH,0)}else{h.SetWH()}return{x:l,y:q}},SetWH:function(){var l=document.getElementById("MathJax_ZoomOverlay");l.style.width=l.style.height="1px";l.style.width=document.body.scrollWidth+"px";l.style.height=document.body.scrollHeight+"px"},Remove:function(m){var n=document.getElementById("MathJax_ZoomFrame");if(n){n.parentNode.removeChild(n);n=document.getElementById("MathJax_ZoomTracker");if(n){n.parentNode.removeChild(n)}if(h.operaRefreshBug){var l=d.addElement(document.body,"div",{style:{position:"fixed",left:0,top:0,width:"100%",height:"100%",backgroundColor:"white",opacity:0},id:"MathJax_OperaDiv"});document.body.removeChild(l)}if(window.removeEventListener){removeEventListener("resize",h.Resize,false)}else{if(window.detachEvent){detachEvent("onresize",h.Resize)}else{window.onresize=h.onresize;delete h.onresize}}}return e(m)}};a.Browser.Select({MSIE:function(l){var n=(document.documentMode||0);var m=(n>=9);h.msiePositionBug=!m;h.msieSizeBug=l.versionAtLeast("7.0")&&(!document.documentMode||n===7||n===8);h.msieZIndexBug=(n<=7);h.msieInlineBlockAlignBug=(n<=7);h.msieTrapEventBug=!window.addEventListener;if(document.compatMode==="BackCompat"){h.scrollSize=52}if(m){delete i.styles["#MathJax_Zoom"].filter}},Opera:function(l){h.operaPositionBug=true;h.operaRefreshBug=true}});h.topImg=(h.msieInlineBlockAlignBug?d.Element("img",{style:{width:0,height:0,position:"relative"},src:"about:blank"}):d.Element("span",{style:{width:0,height:0,display:"inline-block"}}));if(h.operaPositionBug||h.msieTopBug){h.topImg.style.border="1px solid"}MathJax.Callback.Queue(["StartupHook",MathJax.Hub.Register,"Begin Styles",{}],["Styles",f,i.styles],["Post",a.Startup.signal,"MathZoom Ready"],["loadComplete",f,"[MathJax]/extensions/MathZoom.js"])})(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.OutputJax["HTML-CSS"],MathJax.OutputJax.NativeMML);
 
 (function(c,f,i,e,b){var n="1.1.8";MathJax.Extension.MathMenu={version:n};var l=c.Browser.isPC,j=c.Browser.isMSIE;var h=(l?null:"5px");var m=c.CombineConfig("MathMenu",{delay:150,helpURL:"http://www.mathjax.org/help/user/",closeImg:i.fileURL(b.imageDir+"/CloseX-31.png"),showRenderer:true,showFontMenu:false,showContext:false,windowSettings:{status:"no",toolbar:"no",locationbar:"no",menubar:"no",directories:"no",personalbar:"no",resizable:"yes",scrollbars:"yes",width:100,height:50},styles:{"#MathJax_About":{position:"fixed",left:"50%",width:"auto","text-align":"center",border:"3px outset",padding:"1em 2em","background-color":"#DDDDDD",color:"black",cursor:"default","font-family":"message-box","font-size":"120%","font-style":"normal","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","z-index":201,"border-radius":"15px","-webkit-border-radius":"15px","-moz-border-radius":"15px","-khtml-border-radius":"15px","box-shadow":"0px 10px 20px #808080","-webkit-box-shadow":"0px 10px 20px #808080","-moz-box-shadow":"0px 10px 20px #808080","-khtml-box-shadow":"0px 10px 20px #808080",filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},".MathJax_Menu":{position:"absolute","background-color":"white",color:"black",width:"auto",padding:(l?"2px":"5px 0px"),border:"1px solid #CCCCCC",margin:0,cursor:"default",font:"menu","text-align":"left","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","z-index":201,"border-radius":h,"-webkit-border-radius":h,"-moz-border-radius":h,"-khtml-border-radius":h,"box-shadow":"0px 10px 20px #808080","-webkit-box-shadow":"0px 10px 20px #808080","-moz-box-shadow":"0px 10px 20px #808080","-khtml-box-shadow":"0px 10px 20px #808080",filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},".MathJax_MenuItem":{padding:(l?"2px 2em":"1px 2em"),background:"transparent"},".MathJax_MenuTitle":{"background-color":"#CCCCCC",margin:(l?"-1px -1px 1px -1px":"-5px 0 0 0"),"text-align":"center","font-style":"italic","font-size":"80%",color:"#444444",padding:"2px 0",overflow:"hidden"},".MathJax_MenuArrow":{position:"absolute",right:".5em",color:"#666666","font-family":(j?"'Arial unicode MS'":null)},".MathJax_MenuActive .MathJax_MenuArrow":{color:"white"},".MathJax_MenuCheck":{position:"absolute",left:".7em","font-family":(j?"'Arial unicode MS'":null)},".MathJax_MenuRadioCheck":{position:"absolute",left:(l?"1em":".7em")},".MathJax_MenuLabel":{padding:(l?"2px 2em 4px 1.33em":"1px 2em 3px 1.33em"),"font-style":"italic"},".MathJax_MenuRule":{"border-top":(l?"1px solid #CCCCCC":"1px solid #DDDDDD"),margin:(l?"4px 1px 0px":"4px 3px")},".MathJax_MenuDisabled":{color:"GrayText"},".MathJax_MenuActive":{"background-color":(l?"Highlight":"#606872"),color:(l?"HighlightText":"white")},".MathJax_Menu_Close":{position:"absolute",width:"31px",height:"31px",top:"-15px",left:"-15px"}}});var g,d;c.Register.StartupHook("MathEvents Ready",function(){g=MathJax.Extension.MathEvents.Event.False;d=MathJax.Extension.MathEvents.Hover});var a=MathJax.Menu=MathJax.Object.Subclass({version:n,items:[],posted:false,title:null,margin:5,Init:function(o){this.items=[].slice.call(arguments,0)},With:function(o){if(o){c.Insert(this,o)}return this},Post:function(p,z){if(!p){p=window.event}var v=(!this.title?null:[["div",{className:"MathJax_MenuTitle"},[this.title]]]);var o=document.getElementById("MathJax_MenuFrame");if(!o){o=a.Background(this);delete k.lastItem;delete k.lastMenu;delete a.skipUp}var q=f.addElement(o,"div",{onmouseup:a.Mouseup,ondblclick:g,ondragstart:g,onselectstart:g,oncontextmenu:g,menuItem:this,className:"MathJax_Menu"},v);for(var s=0,r=this.items.length;s<r;s++){this.items[s].Create(q)}if(a.isMobile){f.addElement(q,"img",{className:"MathJax_Menu_Close",menu:z,src:m.closeImg,ontouchstart:a.Close,ontouchend:g,onmousedown:a.Close})}this.posted=true;q.style.width=(q.offsetWidth+2)+"px";var w=p.pageX,u=p.pageY;if(!w&&!u){w=p.clientX+document.body.scrollLeft+document.documentElement.scrollLeft;u=p.clientY+document.body.scrollTop+document.documentElement.scrollTop}if(!z){if(w+q.offsetWidth>document.body.offsetWidth-this.margin){w=document.body.offsetWidth-q.offsetWidth-this.margin}if(a.isMobile){w=Math.max(5,w-Math.floor(q.offsetWidth/2));u-=20}a.skipUp=p.isContextMenu}else{var t="left",A=z.offsetWidth;w=(a.isMobile?30:A-2);u=0;while(z&&z!==o){w+=z.offsetLeft;u+=z.offsetTop;z=z.parentNode}if(w+q.offsetWidth>document.body.offsetWidth-this.margin&&!a.isMobile){t="right";w=Math.max(this.margin,w-A-q.offsetWidth+6)}if(!l){q.style["borderRadiusTop"+t]=0;q.style["WebkitBorderRadiusTop"+t]=0;q.style["MozBorderRadiusTop"+t]=0;q.style["KhtmlBorderRadiusTop"+t]=0}}q.style.left=w+"px";q.style.top=u+"px";if(document.selection&&document.selection.empty){document.selection.empty()}return g(p)},Remove:function(o,p){var q=document.getElementById("MathJax_MenuFrame");if(q){q.parentNode.removeChild(q);if(this.msieBackgroundBug){detachEvent("onresize",a.Resize)}}if(a.jax.hover){delete a.jax.hover.nofade;d.UnHover(a.jax)}},Find:function(p){var r=[].slice.call(arguments,1);for(var q=0,o=this.items.length;q<o;q++){if(this.items[q].name===p){if(r.length){if(!this.items[q].menu){return null}return this.items[q].menu.Find.apply(this.items[q].menu,r)}return this.items[q]}}return null}},{config:m,div:null,Close:function(o){return a.Event(o,this.menu||this.parentNode,(this.menu?"Touchend":"Remove"))},Remove:function(o){return a.Event(o,this,"Remove")},Mouseover:function(o){return a.Event(o,this,"Mouseover")},Mouseout:function(o){return a.Event(o,this,"Mouseout")},Mousedown:function(o){return a.Event(o,this,"Mousedown")},Mouseup:function(o){return a.Event(o,this,"Mouseup")},Touchstart:function(o){return a.Event(o,this,"Touchstart")},Touchend:function(o){return a.Event(o,this,"Touchend")},Event:function(q,s,o,r){if(a.skipMouseover&&o==="Mouseover"&&!r){return g(q)}if(a.skipUp){if(o.match(/Mouseup|Touchend/)){delete a.skipUp;return g(q)}if(o==="Touchstart"||(o==="Mousedown"&&!a.skipMousedown)){delete a.skipUp}}if(!q){q=window.event}var p=s.menuItem;if(p&&p[o]){return p[o](q,s)}return null},BGSTYLE:{position:"absolute",left:0,top:0,"z-index":200,width:"100%",height:"100%",border:0,padding:0,margin:0},Background:function(p){var q=f.addElement(document.body,"div",{style:this.BGSTYLE,id:"MathJax_MenuFrame"},[["div",{style:this.BGSTYLE,menuItem:p,onmousedown:this.Remove}]]);var o=q.firstChild;if(p.msieBackgroundBug){o.style.backgroundColor="white";o.style.filter="alpha(opacity=0)";q.width=q.height=0;this.Resize();attachEvent("onresize",this.Resize)}else{o.style.position="fixed"}return q},Resize:function(){setTimeout(a.SetWH,0)},SetWH:function(){var o=document.getElementById("MathJax_MenuFrame");if(o){o=o.firstChild;o.style.width=o.style.height="1px";o.style.width=document.body.scrollWidth+"px";o.style.height=document.body.scrollHeight+"px"}},saveCookie:function(){f.Cookie.Set("menu",this.cookie)},getCookie:function(){this.cookie=f.Cookie.Get("menu")},getImages:function(){if(a.isMobile){var o=new Image();o.src=m.closeImg}}});var k=a.ITEM=MathJax.Object.Subclass({name:"",Create:function(p){if(!this.hidden){var o={onmouseover:a.Mouseover,onmouseout:a.Mouseout,onmouseup:a.Mouseup,onmousedown:a.Mousedown,ondragstart:g,onselectstart:g,onselectend:g,ontouchstart:a.Touchstart,ontouchend:a.Touchend,className:"MathJax_MenuItem",menuItem:this};if(this.disabled){o.className+=" MathJax_MenuDisabled"}f.addElement(p,"div",o,this.Label(o,p))}},Mouseover:function(s,u){if(!this.disabled){this.Activate(u)}if(!this.menu||!this.menu.posted){var t=document.getElementById("MathJax_MenuFrame").childNodes,p=u.parentNode.childNodes;for(var q=0,o=p.length;q<o;q++){var r=p[q].menuItem;if(r&&r.menu&&r.menu.posted){r.Deactivate(p[q])}}o=t.length-1;while(o>=0&&u.parentNode.menuItem!==t[o].menuItem){t[o].menuItem.posted=false;t[o].parentNode.removeChild(t[o]);o--}if(this.Timer&&!a.isMobile){this.Timer(s,u)}}},Mouseout:function(o,p){if(!this.menu||!this.menu.posted){this.Deactivate(p)}if(this.timer){clearTimeout(this.timer);delete this.timer}},Mouseup:function(o,p){return this.Remove(o,p)},Touchstart:function(o,p){return this.TouchEvent(o,p,"Mousedown")},Touchend:function(o,p){return this.TouchEvent(o,p,"Mouseup")},TouchEvent:function(p,q,o){if(this!==k.lastItem){if(k.lastMenu){a.Event(p,k.lastMenu,"Mouseout")}a.Event(p,q,"Mouseover",true);k.lastItem=this;k.lastMenu=q}if(this.nativeTouch){return null}a.Event(p,q,o);return false},Remove:function(o,p){p=p.parentNode.menuItem;return p.Remove(o,p)},Activate:function(o){this.Deactivate(o);o.className+=" MathJax_MenuActive"},Deactivate:function(o){o.className=o.className.replace(/ MathJax_MenuActive/,"")},With:function(o){if(o){c.Insert(this,o)}return this}});a.ITEM.COMMAND=a.ITEM.Subclass({action:function(){},Init:function(o,q,p){this.name=o;this.action=q;this.With(p)},Label:function(o,p){return[this.name]},Mouseup:function(o,p){if(!this.disabled){this.Remove(o,p);this.action.call(this,o)}return g(o)}});a.ITEM.SUBMENU=a.ITEM.Subclass({menu:null,marker:(l&&!c.Browser.isSafari?"\u25B6":"\u25B8"),Init:function(o,q){this.name=o;var p=1;if(!(q instanceof a.ITEM)){this.With(q),p++}this.menu=a.apply(a,[].slice.call(arguments,p))},Label:function(o,p){this.menu.posted=false;return[this.name+" ",["span",{className:"MathJax_MenuArrow"},[this.marker]]]},Timer:function(o,p){if(this.timer){clearTimeout(this.timer)}o={clientX:o.clientX,clientY:o.clientY};this.timer=setTimeout(e(["Mouseup",this,o,p]),m.delay)},Touchend:function(p,r){var q=this.menu.posted;var o=this.SUPER(arguments).Touchend.apply(this,arguments);if(q){this.Deactivate(r);delete k.lastItem;delete k.lastMenu}return o},Mouseup:function(p,r){if(!this.disabled){if(!this.menu.posted){if(this.timer){clearTimeout(this.timer);delete this.timer}this.menu.Post(p,r)}else{var q=document.getElementById("MathJax_MenuFrame").childNodes,o=q.length-1;while(o>=0){var s=q[o];s.menuItem.posted=false;s.parentNode.removeChild(s);if(s.menuItem===this.menu){break}o--}}}return g(p)}});a.ITEM.RADIO=a.ITEM.Subclass({variable:null,marker:(l?"\u25CF":"\u2713"),Init:function(p,o,q){this.name=p;this.variable=o;this.With(q);if(this.value==null){this.value=this.name}},Label:function(p,q){var o={className:"MathJax_MenuRadioCheck"};if(m.settings[this.variable]!==this.value){o={style:{display:"none"}}}return[["span",o,[this.marker]]," "+this.name]},Mouseup:function(r,s){if(!this.disabled){var t=s.parentNode.childNodes;for(var p=0,o=t.length;p<o;p++){var q=t[p].menuItem;if(q&&q.variable===this.variable){t[p].firstChild.style.display="none"}}s.firstChild.display="";m.settings[this.variable]=this.value;a.cookie[this.variable]=m.settings[this.variable];a.saveCookie();if(this.action){this.action.call(a)}}this.Remove(r,s);return g(r)}});a.ITEM.CHECKBOX=a.ITEM.Subclass({variable:null,marker:"\u2713",Init:function(p,o,q){this.name=p;this.variable=o;this.With(q)},Label:function(p,q){var o={className:"MathJax_MenuCheck"};if(!m.settings[this.variable]){o={style:{display:"none"}}}return[["span",o,[this.marker]]," "+this.name]},Mouseup:function(o,p){if(!this.disabled){p.firstChild.display=(m.settings[this.variable]?"none":"");m.settings[this.variable]=!m.settings[this.variable];a.cookie[this.variable]=m.settings[this.variable];a.saveCookie();if(this.action){this.action.call(a)}}this.Remove(o,p);return g(o)}});a.ITEM.LABEL=a.ITEM.Subclass({Init:function(o,p){this.name=o;this.With(p)},Label:function(o,p){delete o.onmouseover,delete o.onmouseout;delete o.onmousedown;o.className+=" MathJax_MenuLabel";return[this.name]}});a.ITEM.RULE=a.ITEM.Subclass({Label:function(o,p){delete o.onmouseover,delete o.onmouseout;delete o.onmousedown;o.className+=" MathJax_MenuRule";return null}});a.About=function(){var r=b["HTML-CSS"]||{fontInUse:""};var t=(r.webFonts?"":"local "),p=(r.webFonts?" web":"");var q=(r.imgFonts?"Image":t+r.fontInUse+p)+" fonts";var o=["MathJax.js v"+MathJax.fileversion,["br"]];o.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}]);a.About.GetJax(o,MathJax.InputJax,"Input Jax");a.About.GetJax(o,MathJax.OutputJax,"Output Jax");a.About.GetJax(o,MathJax.ElementJax,"Element Jax");o.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}]);a.About.GetJax(o,MathJax.Extension,"Extension",true);o.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}],["center",{},[c.Browser+" v"+c.Browser.version+(r.webFonts?" \u2014 "+r.allowWebFonts+" fonts":"")]]);a.About.div=a.Background(a.About);var u=f.addElement(a.About.div,"div",{id:"MathJax_About",onclick:a.About.Remove},[["b",{style:{fontSize:"120%"}},["MathJax"]]," v"+MathJax.version,["br"],"using "+q,["br"],["br"],["span",{style:{display:"inline-block","text-align":"left","font-size":"80%","background-color":"#E4E4E4",padding:".4em .6em",border:"1px inset"}},o],["br"],["br"],["a",{href:"http://www.mathjax.org/"},["www.mathjax.org"]]]);var v=(document.documentElement||{});var s=window.innerHeight||v.clientHeight||v.scrollHeight||0;if(a.prototype.msieAboutBug){u.style.width="20em";u.style.position="absolute";u.style.left=Math.floor((document.documentElement.scrollWidth-u.offsetWidth)/2)+"px";u.style.top=(Math.floor((s-u.offsetHeight)/3)+document.body.scrollTop)+"px"}else{u.style.marginLeft=Math.floor(-u.offsetWidth/2)+"px";u.style.top=Math.floor((s-u.offsetHeight)/3)+"px"}};a.About.Remove=function(o){if(a.About.div){document.body.removeChild(a.About.div);delete a.About.div}};a.About.GetJax=function(p,u,s,r){var t=[];for(var v in u){if(u.hasOwnProperty(v)&&u[v]){if((r&&u[v].version)||(u[v].isa&&u[v].isa(u))){t.push((u[v].id||v)+" "+s+" v"+u[v].version)}}}t.sort();for(var q=0,o=t.length;q<o;q++){p.push(t[q],["br"])}return p};a.Help=function(){window.open(m.helpURL,"MathJaxHelp")};a.ShowSource=function(r){if(!r){r=window.event}var q={screenX:r.screenX,screenY:r.screenY};if(!a.jax){return}if(this.format==="MathML"){var o=MathJax.ElementJax.mml;if(o&&typeof(o.mbase.prototype.toMathML)!=="undefined"){try{a.ShowSource.Text(a.jax.root.toMathML(),r)}catch(p){if(!p.restart){throw p}e.After([this,a.ShowSource,q])}}else{if(!i.loadingToMathML){i.loadingToMathML=true;a.ShowSource.Window(r);e.Queue(i.Require("[MathJax]/extensions/toMathML.js"),function(){delete i.loadingToMathML;if(!o.mbase.prototype.toMathML){o.mbase.prototype.toMathML=function(){}}},[this,a.ShowSource,q]);return}}}else{if(a.jax.originalText==null){alert("No TeX form available");return}a.ShowSource.Text(a.jax.originalText,r)}};a.ShowSource.Window=function(p){if(!a.ShowSource.w){var q=[],o=m.windowSettings;for(var r in o){if(o.hasOwnProperty(r)){q.push(r+"="+o[r])}}a.ShowSource.w=window.open("","_blank",q.join(","))}return a.ShowSource.w};a.ShowSource.Text=function(u,t){var q=a.ShowSource.Window(t);u=u.replace(/^\s*/,"").replace(/\s*$/,"");u=u.replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;");if(a.isMobile){q.document.open();q.document.write("<html><head><meta name='viewport' content='width=device-width, initial-scale=1.0' /><title>MathJax Equation Source</title></head><body style='font-size:85%'>");q.document.write("<pre>"+u+"</pre>");q.document.write("<hr><input type='button' value='Close' onclick='window.close()' />");q.document.write("</body></html>");q.document.close()}else{q.document.open();q.document.write("<html><head><title>MathJax Equation Source</title></head><body style='font-size:85%'>");q.document.write("<table><tr><td><pre>"+u+"</pre></td></tr></table>");q.document.write("</body></html>");q.document.close();var s=q.document.body.firstChild;var r=(q.outerHeight-q.innerHeight)||30,p=(q.outerWidth-q.innerWidth)||30;p=Math.min(Math.floor(0.5*screen.width),s.offsetWidth+p+25);r=Math.min(Math.floor(0.5*screen.height),s.offsetHeight+r+25);q.resizeTo(p,r);if(t&&t.screenX!=null){var o=Math.max(0,Math.min(t.screenX-Math.floor(p/2),screen.width-p-20)),v=Math.max(0,Math.min(t.screenY-Math.floor(r/2),screen.height-r-20));q.moveTo(o,v)}}delete a.ShowSource.w};a.Scale=function(){var p=b["HTML-CSS"],o=b.NativeMML;var r=(p?p.config.scale:o.config.scale);var q=prompt("Scale all mathematics (compared to surrounding text) by",r+"%");if(q){if(q.match(/^\s*\d+\s*%?\s*$/)){q=parseInt(q);if(q){if(q!==r){if(p){p.config.scale=q}if(o){o.config.scale=q}a.cookie.scale=q;a.saveCookie();c.Reprocess()}}else{alert("The scale should not be zero")}}else{alert("The scale should be a perentage (e.g., 120%)")}}};a.Zoom=function(){if(!MathJax.Extension.MathZoom){i.Require("[MathJax]/extensions/MathZoom.js")}};a.Renderer=function(){var o=c.config.outputJax["jax/mml"];if(o[0]!==m.settings.renderer){e.Queue(["Require",i,"[MathJax]/jax/output/"+m.settings.renderer+"/config.js"],["Post",c.Startup.signal,m.settings.renderer+" output selected"],[function(){var r=b[m.settings.renderer];for(var q=0,p=o.length;q<p;q++){if(o[q]===r){o.splice(q,1);break}}o.unshift(r)}],["Reprocess",c])}};a.Font=function(){var o=b["HTML-CSS"];if(!o){return}document.location.reload()};c.Browser.Select({MSIE:function(o){var p=(document.compatMode==="BackCompat");var q=o.versionAtLeast("8.0")&&document.documentMode>7;a.Augment({margin:20,msieBackgroundBug:(p||!q),msieAboutBug:p});if(document.documentMode>=9){delete m.styles["#MathJax_About"].filter;delete m.styles[".MathJax_Menu"].filter}},Firefox:function(o){a.skipMouseover=o.isMobile&&o.versionAtLeast("6.0");a.skipMousedown=o.isMobile}});a.isMobile=c.Browser.isMobile;a.noContextMenu=c.Browser.noContextMenu;c.Register.StartupHook("End Config",function(){m.settings=c.config.menuSettings;if(typeof(m.settings.showRenderer)!=="undefined"){m.showRenderer=m.settings.showRenderer}if(typeof(m.settings.showFontMenu)!=="undefined"){m.showFontMenu=m.settings.showFontMenu}if(typeof(m.settings.showContext)!=="undefined"){m.showContext=m.settings.showContext}a.getCookie();a.menu=a(k.SUBMENU("Show Math As",k.COMMAND("MathML Code",a.ShowSource,{nativeTouch:true,format:"MathML"}),k.COMMAND("Original Form",a.ShowSource,{nativeTouch:true})),k.RULE(),k.SUBMENU("Math Settings",k.SUBMENU("Zoom Trigger",k.RADIO("Hover","zoom",{action:a.Zoom}),k.RADIO("Click","zoom",{action:a.Zoom}),k.RADIO("Double-Click","zoom",{action:a.Zoom}),k.RADIO("No Zoom","zoom",{value:"None"}),k.RULE(),k.LABEL("Trigger Requires:"),k.CHECKBOX((c.Browser.isMac?"Option":"Alt"),"ALT"),k.CHECKBOX("Command","CMD",{hidden:!c.Browser.isMac}),k.CHECKBOX("Control","CTRL",{hidden:c.Browser.isMac}),k.CHECKBOX("Shift","Shift")),k.SUBMENU("Zoom Factor",k.RADIO("125%","zscale"),k.RADIO("133%","zscale"),k.RADIO("150%","zscale"),k.RADIO("175%","zscale"),k.RADIO("200%","zscale"),k.RADIO("250%","zscale"),k.RADIO("300%","zscale"),k.RADIO("400%","zscale")),k.RULE(),k.SUBMENU("Math Renderer",{hidden:!m.showRenderer},k.RADIO("HTML-CSS","renderer",{action:a.Renderer}),k.RADIO("MathML","renderer",{action:a.Renderer,value:"NativeMML"})),k.SUBMENU("Font Preference",{hidden:!m.showFontMenu},k.LABEL("For HTML-CSS:"),k.RADIO("Auto","font",{action:a.Font}),k.RULE(),k.RADIO("TeX (local)","font",{action:a.Font}),k.RADIO("TeX (web)","font",{action:a.Font}),k.RADIO("TeX (image)","font",{action:a.Font}),k.RULE(),k.RADIO("STIX (local)","font",{action:a.Font})),k.SUBMENU("Contextual Menu",{hidden:!m.showContext},k.RADIO("MathJax","context"),k.RADIO("Browser","context")),k.COMMAND("Scale All Math ...",a.Scale),k.RULE(),k.CHECKBOX("Highlight on Hover","discoverable")),k.RULE(),k.COMMAND("About MathJax",a.About),k.COMMAND("MathJax Help",a.Help))});a.showRenderer=function(o){a.cookie.showRenderer=m.showRenderer=o;a.saveCookie();a.menu.Find("Math Settings","Math Renderer").hidden=!o};a.showFontMenu=function(o){a.cookie.showFontMenu=m.showFontMenu=o;a.saveCookie();a.menu.Find("Math Settings","Font Preference").hidden=!o};a.showContext=function(o){a.cookie.showContext=m.showContext=o;a.saveCookie();a.menu.Find("Math Settings","Contextual Menu").hidden=!o};if(a.isMobile){(function(){var p=m.settings;var o=a.menu.Find("Math Settings","Zoom Trigger").menu;o.items[0].disabled=o.items[1].disabled=true;if(p.zoom==="Hover"||p.zoom=="Click"){p.zoom="None"}o.items=o.items.slice(0,4);if(navigator.appVersion.match(/[ (]Android[) ]/)){a.ITEM.SUBMENU.Augment({marker:"\u00BB"})}})()}e.Queue(c.Register.StartupHook("End Config",{}),["getImages",a],["Styles",i,m.styles],["Post",c.Startup.signal,"MathMenu Ready"],["loadComplete",i,"[MathJax]/extensions/MathMenu.js"])})(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.CallBack,MathJax.OutputJax);
 
diff --git a/config/TeX-AMS_HTML-full.js b/config/TeX-AMS_HTML-full.js
index f06185d28..a9dadd8d4 100644
--- a/config/TeX-AMS_HTML-full.js
+++ b/config/TeX-AMS_HTML-full.js
@@ -37,7 +37,7 @@ MathJax.OutputJax["HTML-CSS"]=MathJax.OutputJax({id:"HTML-CSS",version:"1.1.13",
 
 MathJax.Extension.tex2jax={version:"1.1.3",config:{inlineMath:[["\\(","\\)"]],displayMath:[["$$","$$"],["\\[","\\]"]],skipTags:["script","noscript","style","textarea","pre","code"],ignoreClass:"tex2jax_ignore",processClass:"tex2jax_process",processEscapes:false,processEnvironments:true,preview:"TeX"},PreProcess:function(a){if(!this.configured){this.config=MathJax.Hub.CombineConfig("tex2jax",this.config);if(this.config.Augment){MathJax.Hub.Insert(this,this.config.Augment)}if(typeof(this.config.previewTeX)!=="undefined"&&!this.config.previewTeX){this.config.preview="none"}this.configured=true}if(typeof(a)==="string"){a=document.getElementById(a)}if(!a){a=document.body}this.createPatterns();this.scanElement(a,a.nextSibling)},createPatterns:function(){var d=[],c,a,b=this.config;this.match={};for(c=0,a=b.inlineMath.length;c<a;c++){d.push(this.patternQuote(b.inlineMath[c][0]));this.match[b.inlineMath[c][0]]={mode:"",end:b.inlineMath[c][1],pattern:this.endPattern(b.inlineMath[c][1])}}for(c=0,a=b.displayMath.length;c<a;c++){d.push(this.patternQuote(b.displayMath[c][0]));this.match[b.displayMath[c][0]]={mode:"; mode=display",end:b.displayMath[c][1],pattern:this.endPattern(b.displayMath[c][1])}}this.start=new RegExp(d.sort(this.sortLength).join("|")+(b.processEnvironments?"|\\\\begin\\{([^}]*)\\}":"")+(b.processEscapes?"|\\\\*\\\\\\$":""),"g");this.skipTags=new RegExp("^("+b.skipTags.join("|")+")$","i");this.ignoreClass=new RegExp("(^| )("+b.ignoreClass+")( |$)");this.processClass=new RegExp("(^| )("+b.processClass+")( |$)")},patternQuote:function(a){return a.replace(/([\^$(){}+*?\-|\[\]\:\\])/g,"\\$1")},endPattern:function(a){return new RegExp(this.patternQuote(a)+"|\\\\.","g")},sortLength:function(d,c){if(d.length!==c.length){return c.length-d.length}return(d==c?0:(d<c?-1:1))},scanElement:function(c,b,f){var a,e,d;while(c&&c!=b){if(c.nodeName.toLowerCase()==="#text"){if(!f){c=this.scanText(c)}}else{a=(typeof(c.className)==="undefined"?"":c.className);e=(typeof(c.tagName)==="undefined"?"":c.tagName);if(typeof(a)!=="string"){a=String(a)}if(c.firstChild&&!a.match(/(^| )MathJax/)&&!this.skipTags.exec(e)){d=(f||this.ignoreClass.exec(a))&&!this.processClass.exec(a);this.scanElement(c.firstChild,b,d)}}if(c){c=c.nextSibling}}},scanText:function(b){if(b.nodeValue.replace(/\s+/,"")==""){return b}var a,c;this.search={start:true};this.pattern=this.start;while(b){this.pattern.lastIndex=0;while(b&&b.nodeName.toLowerCase()==="#text"&&(a=this.pattern.exec(b.nodeValue))){if(this.search.start){b=this.startMatch(a,b)}else{b=this.endMatch(a,b)}}if(this.search.matched){b=this.encloseMath(b)}if(b){do{c=b;b=b.nextSibling}while(b&&(b.nodeName.toLowerCase()==="br"||b.nodeName.toLowerCase()==="#comment"));if(!b||b.nodeName!=="#text"){return c}}}return b},startMatch:function(a,b){var f=this.match[a[0]];if(f!=null){this.search={end:f.end,mode:f.mode,open:b,olen:a[0].length,opos:this.pattern.lastIndex-a[0].length};this.switchPattern(f.pattern)}else{if(a[0].substr(0,6)==="\\begin"){this.search={end:"\\end{"+a[1]+"}",mode:"; mode=display",open:b,olen:0,opos:this.pattern.lastIndex-a[0].length,isBeginEnd:true};this.switchPattern(this.endPattern(this.search.end))}else{var d=a[0].substr(0,a[0].length-1),g,c;if(d.length%2===0){c=[d.replace(/\\\\/g,"\\")];g=1}else{c=[d.substr(1).replace(/\\\\/g,"\\"),"$"];g=0}c=MathJax.HTML.Element("span",null,c);var e=MathJax.HTML.TextNode(b.nodeValue.substr(0,a.index));b.nodeValue=b.nodeValue.substr(a.index+a[0].length-g);b.parentNode.insertBefore(c,b);b.parentNode.insertBefore(e,c);this.pattern.lastIndex=g}}return b},endMatch:function(a,b){if(a[0]==this.search.end){this.search.close=b;this.search.cpos=this.pattern.lastIndex;this.search.clen=(this.search.isBeginEnd?0:a[0].length);this.search.matched=true;b=this.encloseMath(b);this.switchPattern(this.start)}return b},switchPattern:function(a){a.lastIndex=this.pattern.lastIndex;this.pattern=a;this.search.start=(a===this.start)},encloseMath:function(b){var a=this.search,f=a.close,e,c;if(a.cpos===f.length){f=f.nextSibling}else{f=f.splitText(a.cpos)}if(!f){e=f=MathJax.HTML.addText(a.close.parentNode,"")}a.close=f;c=(a.opos?a.open.splitText(a.opos):a.open);while(c.nextSibling&&c.nextSibling!==f){if(c.nextSibling.nodeValue!==null){if(c.nextSibling.nodeName==="#comment"){c.nodeValue+=c.nextSibling.nodeValue.replace(/^\[CDATA\[((.|\n|\r)*)\]\]$/,"$1")}else{c.nodeValue+=c.nextSibling.nodeValue}}else{if(this.msieNewlineBug){c.nodeValue+=(c.nextSibling.nodeName.toLowerCase()==="br"?"\n":" ")}else{c.nodeValue+=" "}}c.parentNode.removeChild(c.nextSibling)}var d=c.nodeValue.substr(a.olen,c.nodeValue.length-a.olen-a.clen);c.parentNode.removeChild(c);if(this.config.preview!=="none"){this.createPreview(a.mode,d)}c=this.createMathTag(a.mode,d);this.search={};this.pattern.lastIndex=0;if(e){e.parentNode.removeChild(e)}return c},insertNode:function(b){var a=this.search;a.close.parentNode.insertBefore(b,a.close)},createPreview:function(c,a){var b;if(this.config.preview==="TeX"){b=[this.filterTeX(a)]}else{if(this.config.preview instanceof Array){b=this.config.preview}}if(b){b=MathJax.HTML.Element("span",{className:MathJax.Hub.config.preRemoveClass},b);this.insertNode(b)}},createMathTag:function(c,b){var a=document.createElement("script");a.type="math/tex"+c;MathJax.HTML.setScript(a,b);this.insertNode(a);return a},filterTeX:function(a){return a},msieNewlineBug:(MathJax.Hub.Browser.isMSIE&&document.documentMode<9)};MathJax.Hub.Register.PreProcessor(["PreProcess",MathJax.Extension.tex2jax]);MathJax.Ajax.loadComplete("[MathJax]/extensions/tex2jax.js");
 
-(function(a,d,f,c,j){var k="1.1.3";var i=a.CombineConfig("MathZoom",{styles:{"#MathJax_Zoom":{position:"absolute","background-color":"#F0F0F0",overflow:"auto",display:"block","z-index":301,padding:".5em",border:"1px solid black",margin:0,"font-family":"serif","font-size":"85%","font-weight":"normal","font-style":"normal","text-align":"left","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","box-shadow":"5px 5px 15px #AAAAAA","-webkit-box-shadow":"5px 5px 15px #AAAAAA","-moz-box-shadow":"5px 5px 15px #AAAAAA","-khtml-box-shadow":"5px 5px 15px #AAAAAA",filter:"dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},"#MathJax_ZoomOverlay":{position:"absolute",left:0,top:0,"z-index":300,display:"inline-block",width:"100%",height:"100%",border:0,padding:0,margin:0,"background-color":"white",opacity:0,filter:"alpha(opacity=0)"}}});var e,b,g;MathJax.Hub.Register.StartupHook("MathEvents Ready",function(){g=MathJax.Extension.MathEvents.Event;e=MathJax.Extension.MathEvents.Event.False;b=MathJax.Extension.MathEvents.Hover});var h=MathJax.Extension.MathZoom={version:k,settings:a.config.menuSettings,HandleEvent:function(n,l,m){if(h.settings.CTRL&&!n.ctrlKey){return true}if(h.settings.ALT&&!n.altKey){return true}if(h.settings.CMD&&!n.metaKey){return true}if(h.settings.Shift&&!n.shiftKey){return true}if(!h[l]){return true}return h[l](n,m)},Click:function(m,l){if(this.settings.zoom==="Click"){return this.Zoom(m,l)}},DblClick:function(m,l){if(this.settings.zoom==="Double-Click"){return this.Zoom(m,l)}},Hover:function(m,l){if(this.settings.zoom==="Hover"){this.Zoom(m,l);return true}return false},Zoom:function(n,t){this.Remove();b.ClearHoverTimer();g.ClearSelection();var q=MathJax.OutputJax[t.jaxID];var o=q.getJaxFromMath(t),s=o.root;if(o.hover){b.UnHover(o)}var l=Math.floor(0.85*document.body.clientWidth),r=Math.floor(0.85*document.body.clientHeight);var m=d.Element("span",{style:{position:"relative",display:"inline-block",height:0,width:0},id:"MathJax_ZoomFrame"},[["span",{id:"MathJax_ZoomOverlay",onmousedown:this.Remove}],["span",{id:"MathJax_Zoom",onclick:this.Remove,style:{visibility:"hidden",fontSize:this.settings.zscale,"max-width":l+"px","max-height":r+"px"}},[["span",{style:{display:"inline-block","white-space":"nowrap"}}]]]]);var x=m.lastChild,v=x.firstChild,p=m.firstChild;t.parentNode.insertBefore(m,t);if(v.addEventListener){v.addEventListener("mousedown",this.Remove,true)}if(this.msieZIndexBug){var u=d.addElement(document.body,"img",{src:"about:blank",id:"MathJax_ZoomTracker",width:0,height:0,style:{width:0,height:0,position:"relative"}});m.style.position="relative";m.style.zIndex=i.styles["#MathJax_ZoomOverlay"]["z-index"];m=u}var w=q.Zoom(s,v,t,l,r);if(this.msiePositionBug){if(this.msieSizeBug){x.style.height=w.zH+"px";x.style.width=w.zW+"px"}if(x.offsetHeight>r){x.style.height=r+"px";v.style.marginRight="16px"}if(x.offsetWidth>l){x.style.width=l+"px";v.style.marginBottom="16px"}}if(this.operaPositionBug){x.style.width=Math.min(l,w.zW)+"px"}if(x.offsetWidth<l&&x.offsetHeight<r){x.style.overflow="visible"}this.Position(x,w);x.style.visibility="";if(this.settings.zoom==="Hover"){p.onmouseover=this.Remove}if(window.addEventListener){addEventListener("resize",this.Resize,false)}else{if(window.attachEvent){attachEvent("onresize",this.Resize)}else{this.onresize=window.onresize;window.onresize=this.Resize}}return e(n)},Position:function(p,r){var q=this.Resize(),m=q.x,s=q.y,l=r.mW;var o=-Math.floor((p.offsetWidth-l)/2),n=r.Y;p.style.left=Math.max(o,10-m)+"px";p.style.top=Math.max(n,10-s)+"px"},Resize:function(n){if(h.onresize){h.onresize(n)}var l=0,q=0,p=document.getElementById("MathJax_ZoomFrame"),o=p,m=document.getElementById("MathJax_ZoomOverlay");if(h.operaPositionBug){p.style.border="1px solid"}if(o.offsetParent){do{l+=o.offsetLeft;q+=o.offsetTop}while(o=o.offsetParent)}if(h.operaPositionBug){p.style.border=""}m.style.left=(-l)+"px";m.style.top=(-q)+"px";if(h.msiePositionBug){setTimeout(h.SetWH,0)}else{h.SetWH()}return{x:l,y:q}},SetWH:function(){var l=document.getElementById("MathJax_ZoomOverlay");l.style.width=l.style.height="1px";l.style.width=document.body.scrollWidth+"px";l.style.height=document.body.scrollHeight+"px"},Remove:function(m){var n=document.getElementById("MathJax_ZoomFrame");if(n){n.parentNode.removeChild(n);n=document.getElementById("MathJax_ZoomTracker");if(n){n.parentNode.removeChild(n)}if(h.operaRefreshBug){var l=d.addElement(document.body,"div",{style:{position:"fixed",left:0,top:0,width:"100%",height:"100%",backgroundColor:"white",opacity:0},id:"MathJax_OperaDiv"});document.body.removeChild(l)}if(window.removeEventListener){removeEventListener("resize",h.Resize,false)}else{if(window.detachEvent){detachEvent("onresize",h.Resize)}else{window.onresize=h.onresize;delete h.onresize}}}return e(m)}};a.Browser.Select({MSIE:function(l){var n=(document.documentMode||0);var m=(n>=9);h.msiePositionBug=!m;h.msieSizeBug=l.versionAtLeast("7.0")&&(!document.documentMode||n===7||n===8);h.msieZIndexBug=(n<=7);h.msieInlineBlockAlignBug=(n<=7);if(m){delete i.styles["#MathJax_Zoom"].filter}},Opera:function(l){h.operaPositionBug=true;h.operaRefreshBug=true}});h.topImg=(h.msieInlineBlockAlignBug?d.Element("img",{style:{width:0,height:0,position:"relative"},src:"about:blank"}):d.Element("span",{style:{width:0,height:0,display:"inline-block"}}));if(h.operaPositionBug||h.msieTopBug){h.topImg.style.border="1px solid"}MathJax.Callback.Queue(["StartupHook",MathJax.Hub.Register,"Begin Styles",{}],["Styles",f,i.styles],["Post",a.Startup.signal,"MathZoom Ready"],["loadComplete",f,"[MathJax]/extensions/MathZoom.js"])})(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.OutputJax["HTML-CSS"],MathJax.OutputJax.NativeMML);
+(function(a,d,f,c,j){var k="1.1.3";var i=a.CombineConfig("MathZoom",{styles:{"#MathJax_Zoom":{position:"absolute","background-color":"#F0F0F0",overflow:"auto",display:"block","z-index":301,padding:".5em",border:"1px solid black",margin:0,"font-family":"serif","font-size":"85%","font-weight":"normal","font-style":"normal","text-align":"left","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","box-shadow":"5px 5px 15px #AAAAAA","-webkit-box-shadow":"5px 5px 15px #AAAAAA","-moz-box-shadow":"5px 5px 15px #AAAAAA","-khtml-box-shadow":"5px 5px 15px #AAAAAA",filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},"#MathJax_ZoomOverlay":{position:"absolute",left:0,top:0,"z-index":300,display:"inline-block",width:"100%",height:"100%",border:0,padding:0,margin:0,"background-color":"white",opacity:0,filter:"alpha(opacity=0)"},"#MathJax_ZoomEventTrap":{position:"absolute",left:0,top:0,"z-index":302,display:"inline-block",border:0,padding:0,margin:0,"background-color":"white",opacity:0,filter:"alpha(opacity=0)"}}});var e,b,g;MathJax.Hub.Register.StartupHook("MathEvents Ready",function(){g=MathJax.Extension.MathEvents.Event;e=MathJax.Extension.MathEvents.Event.False;b=MathJax.Extension.MathEvents.Hover});var h=MathJax.Extension.MathZoom={version:k,settings:a.config.menuSettings,scrollSize:18,HandleEvent:function(n,l,m){if(h.settings.CTRL&&!n.ctrlKey){return true}if(h.settings.ALT&&!n.altKey){return true}if(h.settings.CMD&&!n.metaKey){return true}if(h.settings.Shift&&!n.shiftKey){return true}if(!h[l]){return true}return h[l](n,m)},Click:function(m,l){if(this.settings.zoom==="Click"){return this.Zoom(m,l)}},DblClick:function(m,l){if(this.settings.zoom==="Double-Click"){return this.Zoom(m,l)}},Hover:function(m,l){if(this.settings.zoom==="Hover"){this.Zoom(m,l);return true}return false},Zoom:function(n,t){this.Remove();b.ClearHoverTimer();g.ClearSelection();var q=MathJax.OutputJax[t.jaxID];var o=q.getJaxFromMath(t),s=o.root;if(o.hover){b.UnHover(o)}var l=Math.floor(0.85*document.body.clientWidth),r=Math.floor(0.85*document.body.clientHeight);var m=d.Element("span",{style:{position:"relative",display:"inline-block",height:0,width:0},id:"MathJax_ZoomFrame"},[["span",{id:"MathJax_ZoomOverlay",onmousedown:this.Remove}],["span",{id:"MathJax_Zoom",onclick:this.Remove,style:{visibility:"hidden",fontSize:this.settings.zscale,"max-width":l+"px","max-height":r+"px"}},[["span",{style:{display:"inline-block","white-space":"nowrap"}}]]]]);var y=m.lastChild,v=y.firstChild,p=m.firstChild;t.parentNode.insertBefore(m,t);if(v.addEventListener){v.addEventListener("mousedown",this.Remove,true)}if(this.msieTrapEventBug){var x=d.Element("span",{id:"MathJax_ZoomEventTrap",onmousedown:this.Remove});m.insertBefore(x,y)}if(this.msieZIndexBug){var u=d.addElement(document.body,"img",{src:"about:blank",id:"MathJax_ZoomTracker",width:0,height:0,style:{width:0,height:0,position:"relative"}});m.style.position="relative";m.style.zIndex=i.styles["#MathJax_ZoomOverlay"]["z-index"];m=u}var w=q.Zoom(s,v,t,l,r);if(this.msiePositionBug){if(this.msieSizeBug){y.style.height=w.zH+"px";y.style.width=w.zW+"px"}if(y.offsetHeight>r){y.style.height=r+"px";y.style.width=(w.zW+this.scrollSize)+"px"}if(y.offsetWidth>l){y.style.width=l+"px";y.style.height=(w.zH+this.scrollSize)+"px"}}if(this.operaPositionBug){y.style.width=Math.min(l,w.zW)+"px"}if(y.offsetWidth<l&&y.offsetHeight<r){y.style.overflow="visible"}this.Position(y,w);if(this.msieTrapEventBug){x.style.height=y.clientHeight+"px";x.style.width=y.clientWidth+"px";x.style.left=(parseFloat(y.style.left)+y.clientLeft)+"px";x.style.top=(parseFloat(y.style.top)+y.clientTop)+"px"}y.style.visibility="";if(this.settings.zoom==="Hover"){p.onmouseover=this.Remove}if(window.addEventListener){addEventListener("resize",this.Resize,false)}else{if(window.attachEvent){attachEvent("onresize",this.Resize)}else{this.onresize=window.onresize;window.onresize=this.Resize}}return e(n)},Position:function(p,r){var q=this.Resize(),m=q.x,s=q.y,l=r.mW;var o=-Math.floor((p.offsetWidth-l)/2),n=r.Y;p.style.left=Math.max(o,10-m)+"px";p.style.top=Math.max(n,10-s)+"px"},Resize:function(n){if(h.onresize){h.onresize(n)}var l=0,q=0,p=document.getElementById("MathJax_ZoomFrame"),o=p,m=document.getElementById("MathJax_ZoomOverlay");if(h.operaPositionBug){p.style.border="1px solid"}if(o.offsetParent){do{l+=o.offsetLeft;q+=o.offsetTop}while(o=o.offsetParent)}if(h.operaPositionBug){p.style.border=""}m.style.left=(-l)+"px";m.style.top=(-q)+"px";if(h.msiePositionBug){setTimeout(h.SetWH,0)}else{h.SetWH()}return{x:l,y:q}},SetWH:function(){var l=document.getElementById("MathJax_ZoomOverlay");l.style.width=l.style.height="1px";l.style.width=document.body.scrollWidth+"px";l.style.height=document.body.scrollHeight+"px"},Remove:function(m){var n=document.getElementById("MathJax_ZoomFrame");if(n){n.parentNode.removeChild(n);n=document.getElementById("MathJax_ZoomTracker");if(n){n.parentNode.removeChild(n)}if(h.operaRefreshBug){var l=d.addElement(document.body,"div",{style:{position:"fixed",left:0,top:0,width:"100%",height:"100%",backgroundColor:"white",opacity:0},id:"MathJax_OperaDiv"});document.body.removeChild(l)}if(window.removeEventListener){removeEventListener("resize",h.Resize,false)}else{if(window.detachEvent){detachEvent("onresize",h.Resize)}else{window.onresize=h.onresize;delete h.onresize}}}return e(m)}};a.Browser.Select({MSIE:function(l){var n=(document.documentMode||0);var m=(n>=9);h.msiePositionBug=!m;h.msieSizeBug=l.versionAtLeast("7.0")&&(!document.documentMode||n===7||n===8);h.msieZIndexBug=(n<=7);h.msieInlineBlockAlignBug=(n<=7);h.msieTrapEventBug=!window.addEventListener;if(document.compatMode==="BackCompat"){h.scrollSize=52}if(m){delete i.styles["#MathJax_Zoom"].filter}},Opera:function(l){h.operaPositionBug=true;h.operaRefreshBug=true}});h.topImg=(h.msieInlineBlockAlignBug?d.Element("img",{style:{width:0,height:0,position:"relative"},src:"about:blank"}):d.Element("span",{style:{width:0,height:0,display:"inline-block"}}));if(h.operaPositionBug||h.msieTopBug){h.topImg.style.border="1px solid"}MathJax.Callback.Queue(["StartupHook",MathJax.Hub.Register,"Begin Styles",{}],["Styles",f,i.styles],["Post",a.Startup.signal,"MathZoom Ready"],["loadComplete",f,"[MathJax]/extensions/MathZoom.js"])})(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.OutputJax["HTML-CSS"],MathJax.OutputJax.NativeMML);
 
 (function(c,f,i,e,b){var n="1.1.8";MathJax.Extension.MathMenu={version:n};var l=c.Browser.isPC,j=c.Browser.isMSIE;var h=(l?null:"5px");var m=c.CombineConfig("MathMenu",{delay:150,helpURL:"http://www.mathjax.org/help/user/",closeImg:i.fileURL(b.imageDir+"/CloseX-31.png"),showRenderer:true,showFontMenu:false,showContext:false,windowSettings:{status:"no",toolbar:"no",locationbar:"no",menubar:"no",directories:"no",personalbar:"no",resizable:"yes",scrollbars:"yes",width:100,height:50},styles:{"#MathJax_About":{position:"fixed",left:"50%",width:"auto","text-align":"center",border:"3px outset",padding:"1em 2em","background-color":"#DDDDDD",color:"black",cursor:"default","font-family":"message-box","font-size":"120%","font-style":"normal","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","z-index":201,"border-radius":"15px","-webkit-border-radius":"15px","-moz-border-radius":"15px","-khtml-border-radius":"15px","box-shadow":"0px 10px 20px #808080","-webkit-box-shadow":"0px 10px 20px #808080","-moz-box-shadow":"0px 10px 20px #808080","-khtml-box-shadow":"0px 10px 20px #808080",filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},".MathJax_Menu":{position:"absolute","background-color":"white",color:"black",width:"auto",padding:(l?"2px":"5px 0px"),border:"1px solid #CCCCCC",margin:0,cursor:"default",font:"menu","text-align":"left","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","z-index":201,"border-radius":h,"-webkit-border-radius":h,"-moz-border-radius":h,"-khtml-border-radius":h,"box-shadow":"0px 10px 20px #808080","-webkit-box-shadow":"0px 10px 20px #808080","-moz-box-shadow":"0px 10px 20px #808080","-khtml-box-shadow":"0px 10px 20px #808080",filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},".MathJax_MenuItem":{padding:(l?"2px 2em":"1px 2em"),background:"transparent"},".MathJax_MenuTitle":{"background-color":"#CCCCCC",margin:(l?"-1px -1px 1px -1px":"-5px 0 0 0"),"text-align":"center","font-style":"italic","font-size":"80%",color:"#444444",padding:"2px 0",overflow:"hidden"},".MathJax_MenuArrow":{position:"absolute",right:".5em",color:"#666666","font-family":(j?"'Arial unicode MS'":null)},".MathJax_MenuActive .MathJax_MenuArrow":{color:"white"},".MathJax_MenuCheck":{position:"absolute",left:".7em","font-family":(j?"'Arial unicode MS'":null)},".MathJax_MenuRadioCheck":{position:"absolute",left:(l?"1em":".7em")},".MathJax_MenuLabel":{padding:(l?"2px 2em 4px 1.33em":"1px 2em 3px 1.33em"),"font-style":"italic"},".MathJax_MenuRule":{"border-top":(l?"1px solid #CCCCCC":"1px solid #DDDDDD"),margin:(l?"4px 1px 0px":"4px 3px")},".MathJax_MenuDisabled":{color:"GrayText"},".MathJax_MenuActive":{"background-color":(l?"Highlight":"#606872"),color:(l?"HighlightText":"white")},".MathJax_Menu_Close":{position:"absolute",width:"31px",height:"31px",top:"-15px",left:"-15px"}}});var g,d;c.Register.StartupHook("MathEvents Ready",function(){g=MathJax.Extension.MathEvents.Event.False;d=MathJax.Extension.MathEvents.Hover});var a=MathJax.Menu=MathJax.Object.Subclass({version:n,items:[],posted:false,title:null,margin:5,Init:function(o){this.items=[].slice.call(arguments,0)},With:function(o){if(o){c.Insert(this,o)}return this},Post:function(p,z){if(!p){p=window.event}var v=(!this.title?null:[["div",{className:"MathJax_MenuTitle"},[this.title]]]);var o=document.getElementById("MathJax_MenuFrame");if(!o){o=a.Background(this);delete k.lastItem;delete k.lastMenu;delete a.skipUp}var q=f.addElement(o,"div",{onmouseup:a.Mouseup,ondblclick:g,ondragstart:g,onselectstart:g,oncontextmenu:g,menuItem:this,className:"MathJax_Menu"},v);for(var s=0,r=this.items.length;s<r;s++){this.items[s].Create(q)}if(a.isMobile){f.addElement(q,"img",{className:"MathJax_Menu_Close",menu:z,src:m.closeImg,ontouchstart:a.Close,ontouchend:g,onmousedown:a.Close})}this.posted=true;q.style.width=(q.offsetWidth+2)+"px";var w=p.pageX,u=p.pageY;if(!w&&!u){w=p.clientX+document.body.scrollLeft+document.documentElement.scrollLeft;u=p.clientY+document.body.scrollTop+document.documentElement.scrollTop}if(!z){if(w+q.offsetWidth>document.body.offsetWidth-this.margin){w=document.body.offsetWidth-q.offsetWidth-this.margin}if(a.isMobile){w=Math.max(5,w-Math.floor(q.offsetWidth/2));u-=20}a.skipUp=p.isContextMenu}else{var t="left",A=z.offsetWidth;w=(a.isMobile?30:A-2);u=0;while(z&&z!==o){w+=z.offsetLeft;u+=z.offsetTop;z=z.parentNode}if(w+q.offsetWidth>document.body.offsetWidth-this.margin&&!a.isMobile){t="right";w=Math.max(this.margin,w-A-q.offsetWidth+6)}if(!l){q.style["borderRadiusTop"+t]=0;q.style["WebkitBorderRadiusTop"+t]=0;q.style["MozBorderRadiusTop"+t]=0;q.style["KhtmlBorderRadiusTop"+t]=0}}q.style.left=w+"px";q.style.top=u+"px";if(document.selection&&document.selection.empty){document.selection.empty()}return g(p)},Remove:function(o,p){var q=document.getElementById("MathJax_MenuFrame");if(q){q.parentNode.removeChild(q);if(this.msieBackgroundBug){detachEvent("onresize",a.Resize)}}if(a.jax.hover){delete a.jax.hover.nofade;d.UnHover(a.jax)}},Find:function(p){var r=[].slice.call(arguments,1);for(var q=0,o=this.items.length;q<o;q++){if(this.items[q].name===p){if(r.length){if(!this.items[q].menu){return null}return this.items[q].menu.Find.apply(this.items[q].menu,r)}return this.items[q]}}return null}},{config:m,div:null,Close:function(o){return a.Event(o,this.menu||this.parentNode,(this.menu?"Touchend":"Remove"))},Remove:function(o){return a.Event(o,this,"Remove")},Mouseover:function(o){return a.Event(o,this,"Mouseover")},Mouseout:function(o){return a.Event(o,this,"Mouseout")},Mousedown:function(o){return a.Event(o,this,"Mousedown")},Mouseup:function(o){return a.Event(o,this,"Mouseup")},Touchstart:function(o){return a.Event(o,this,"Touchstart")},Touchend:function(o){return a.Event(o,this,"Touchend")},Event:function(q,s,o,r){if(a.skipMouseover&&o==="Mouseover"&&!r){return g(q)}if(a.skipUp){if(o.match(/Mouseup|Touchend/)){delete a.skipUp;return g(q)}if(o==="Touchstart"||(o==="Mousedown"&&!a.skipMousedown)){delete a.skipUp}}if(!q){q=window.event}var p=s.menuItem;if(p&&p[o]){return p[o](q,s)}return null},BGSTYLE:{position:"absolute",left:0,top:0,"z-index":200,width:"100%",height:"100%",border:0,padding:0,margin:0},Background:function(p){var q=f.addElement(document.body,"div",{style:this.BGSTYLE,id:"MathJax_MenuFrame"},[["div",{style:this.BGSTYLE,menuItem:p,onmousedown:this.Remove}]]);var o=q.firstChild;if(p.msieBackgroundBug){o.style.backgroundColor="white";o.style.filter="alpha(opacity=0)";q.width=q.height=0;this.Resize();attachEvent("onresize",this.Resize)}else{o.style.position="fixed"}return q},Resize:function(){setTimeout(a.SetWH,0)},SetWH:function(){var o=document.getElementById("MathJax_MenuFrame");if(o){o=o.firstChild;o.style.width=o.style.height="1px";o.style.width=document.body.scrollWidth+"px";o.style.height=document.body.scrollHeight+"px"}},saveCookie:function(){f.Cookie.Set("menu",this.cookie)},getCookie:function(){this.cookie=f.Cookie.Get("menu")},getImages:function(){if(a.isMobile){var o=new Image();o.src=m.closeImg}}});var k=a.ITEM=MathJax.Object.Subclass({name:"",Create:function(p){if(!this.hidden){var o={onmouseover:a.Mouseover,onmouseout:a.Mouseout,onmouseup:a.Mouseup,onmousedown:a.Mousedown,ondragstart:g,onselectstart:g,onselectend:g,ontouchstart:a.Touchstart,ontouchend:a.Touchend,className:"MathJax_MenuItem",menuItem:this};if(this.disabled){o.className+=" MathJax_MenuDisabled"}f.addElement(p,"div",o,this.Label(o,p))}},Mouseover:function(s,u){if(!this.disabled){this.Activate(u)}if(!this.menu||!this.menu.posted){var t=document.getElementById("MathJax_MenuFrame").childNodes,p=u.parentNode.childNodes;for(var q=0,o=p.length;q<o;q++){var r=p[q].menuItem;if(r&&r.menu&&r.menu.posted){r.Deactivate(p[q])}}o=t.length-1;while(o>=0&&u.parentNode.menuItem!==t[o].menuItem){t[o].menuItem.posted=false;t[o].parentNode.removeChild(t[o]);o--}if(this.Timer&&!a.isMobile){this.Timer(s,u)}}},Mouseout:function(o,p){if(!this.menu||!this.menu.posted){this.Deactivate(p)}if(this.timer){clearTimeout(this.timer);delete this.timer}},Mouseup:function(o,p){return this.Remove(o,p)},Touchstart:function(o,p){return this.TouchEvent(o,p,"Mousedown")},Touchend:function(o,p){return this.TouchEvent(o,p,"Mouseup")},TouchEvent:function(p,q,o){if(this!==k.lastItem){if(k.lastMenu){a.Event(p,k.lastMenu,"Mouseout")}a.Event(p,q,"Mouseover",true);k.lastItem=this;k.lastMenu=q}if(this.nativeTouch){return null}a.Event(p,q,o);return false},Remove:function(o,p){p=p.parentNode.menuItem;return p.Remove(o,p)},Activate:function(o){this.Deactivate(o);o.className+=" MathJax_MenuActive"},Deactivate:function(o){o.className=o.className.replace(/ MathJax_MenuActive/,"")},With:function(o){if(o){c.Insert(this,o)}return this}});a.ITEM.COMMAND=a.ITEM.Subclass({action:function(){},Init:function(o,q,p){this.name=o;this.action=q;this.With(p)},Label:function(o,p){return[this.name]},Mouseup:function(o,p){if(!this.disabled){this.Remove(o,p);this.action.call(this,o)}return g(o)}});a.ITEM.SUBMENU=a.ITEM.Subclass({menu:null,marker:(l&&!c.Browser.isSafari?"\u25B6":"\u25B8"),Init:function(o,q){this.name=o;var p=1;if(!(q instanceof a.ITEM)){this.With(q),p++}this.menu=a.apply(a,[].slice.call(arguments,p))},Label:function(o,p){this.menu.posted=false;return[this.name+" ",["span",{className:"MathJax_MenuArrow"},[this.marker]]]},Timer:function(o,p){if(this.timer){clearTimeout(this.timer)}o={clientX:o.clientX,clientY:o.clientY};this.timer=setTimeout(e(["Mouseup",this,o,p]),m.delay)},Touchend:function(p,r){var q=this.menu.posted;var o=this.SUPER(arguments).Touchend.apply(this,arguments);if(q){this.Deactivate(r);delete k.lastItem;delete k.lastMenu}return o},Mouseup:function(p,r){if(!this.disabled){if(!this.menu.posted){if(this.timer){clearTimeout(this.timer);delete this.timer}this.menu.Post(p,r)}else{var q=document.getElementById("MathJax_MenuFrame").childNodes,o=q.length-1;while(o>=0){var s=q[o];s.menuItem.posted=false;s.parentNode.removeChild(s);if(s.menuItem===this.menu){break}o--}}}return g(p)}});a.ITEM.RADIO=a.ITEM.Subclass({variable:null,marker:(l?"\u25CF":"\u2713"),Init:function(p,o,q){this.name=p;this.variable=o;this.With(q);if(this.value==null){this.value=this.name}},Label:function(p,q){var o={className:"MathJax_MenuRadioCheck"};if(m.settings[this.variable]!==this.value){o={style:{display:"none"}}}return[["span",o,[this.marker]]," "+this.name]},Mouseup:function(r,s){if(!this.disabled){var t=s.parentNode.childNodes;for(var p=0,o=t.length;p<o;p++){var q=t[p].menuItem;if(q&&q.variable===this.variable){t[p].firstChild.style.display="none"}}s.firstChild.display="";m.settings[this.variable]=this.value;a.cookie[this.variable]=m.settings[this.variable];a.saveCookie();if(this.action){this.action.call(a)}}this.Remove(r,s);return g(r)}});a.ITEM.CHECKBOX=a.ITEM.Subclass({variable:null,marker:"\u2713",Init:function(p,o,q){this.name=p;this.variable=o;this.With(q)},Label:function(p,q){var o={className:"MathJax_MenuCheck"};if(!m.settings[this.variable]){o={style:{display:"none"}}}return[["span",o,[this.marker]]," "+this.name]},Mouseup:function(o,p){if(!this.disabled){p.firstChild.display=(m.settings[this.variable]?"none":"");m.settings[this.variable]=!m.settings[this.variable];a.cookie[this.variable]=m.settings[this.variable];a.saveCookie();if(this.action){this.action.call(a)}}this.Remove(o,p);return g(o)}});a.ITEM.LABEL=a.ITEM.Subclass({Init:function(o,p){this.name=o;this.With(p)},Label:function(o,p){delete o.onmouseover,delete o.onmouseout;delete o.onmousedown;o.className+=" MathJax_MenuLabel";return[this.name]}});a.ITEM.RULE=a.ITEM.Subclass({Label:function(o,p){delete o.onmouseover,delete o.onmouseout;delete o.onmousedown;o.className+=" MathJax_MenuRule";return null}});a.About=function(){var r=b["HTML-CSS"]||{fontInUse:""};var t=(r.webFonts?"":"local "),p=(r.webFonts?" web":"");var q=(r.imgFonts?"Image":t+r.fontInUse+p)+" fonts";var o=["MathJax.js v"+MathJax.fileversion,["br"]];o.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}]);a.About.GetJax(o,MathJax.InputJax,"Input Jax");a.About.GetJax(o,MathJax.OutputJax,"Output Jax");a.About.GetJax(o,MathJax.ElementJax,"Element Jax");o.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}]);a.About.GetJax(o,MathJax.Extension,"Extension",true);o.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}],["center",{},[c.Browser+" v"+c.Browser.version+(r.webFonts?" \u2014 "+r.allowWebFonts+" fonts":"")]]);a.About.div=a.Background(a.About);var u=f.addElement(a.About.div,"div",{id:"MathJax_About",onclick:a.About.Remove},[["b",{style:{fontSize:"120%"}},["MathJax"]]," v"+MathJax.version,["br"],"using "+q,["br"],["br"],["span",{style:{display:"inline-block","text-align":"left","font-size":"80%","background-color":"#E4E4E4",padding:".4em .6em",border:"1px inset"}},o],["br"],["br"],["a",{href:"http://www.mathjax.org/"},["www.mathjax.org"]]]);var v=(document.documentElement||{});var s=window.innerHeight||v.clientHeight||v.scrollHeight||0;if(a.prototype.msieAboutBug){u.style.width="20em";u.style.position="absolute";u.style.left=Math.floor((document.documentElement.scrollWidth-u.offsetWidth)/2)+"px";u.style.top=(Math.floor((s-u.offsetHeight)/3)+document.body.scrollTop)+"px"}else{u.style.marginLeft=Math.floor(-u.offsetWidth/2)+"px";u.style.top=Math.floor((s-u.offsetHeight)/3)+"px"}};a.About.Remove=function(o){if(a.About.div){document.body.removeChild(a.About.div);delete a.About.div}};a.About.GetJax=function(p,u,s,r){var t=[];for(var v in u){if(u.hasOwnProperty(v)&&u[v]){if((r&&u[v].version)||(u[v].isa&&u[v].isa(u))){t.push((u[v].id||v)+" "+s+" v"+u[v].version)}}}t.sort();for(var q=0,o=t.length;q<o;q++){p.push(t[q],["br"])}return p};a.Help=function(){window.open(m.helpURL,"MathJaxHelp")};a.ShowSource=function(r){if(!r){r=window.event}var q={screenX:r.screenX,screenY:r.screenY};if(!a.jax){return}if(this.format==="MathML"){var o=MathJax.ElementJax.mml;if(o&&typeof(o.mbase.prototype.toMathML)!=="undefined"){try{a.ShowSource.Text(a.jax.root.toMathML(),r)}catch(p){if(!p.restart){throw p}e.After([this,a.ShowSource,q])}}else{if(!i.loadingToMathML){i.loadingToMathML=true;a.ShowSource.Window(r);e.Queue(i.Require("[MathJax]/extensions/toMathML.js"),function(){delete i.loadingToMathML;if(!o.mbase.prototype.toMathML){o.mbase.prototype.toMathML=function(){}}},[this,a.ShowSource,q]);return}}}else{if(a.jax.originalText==null){alert("No TeX form available");return}a.ShowSource.Text(a.jax.originalText,r)}};a.ShowSource.Window=function(p){if(!a.ShowSource.w){var q=[],o=m.windowSettings;for(var r in o){if(o.hasOwnProperty(r)){q.push(r+"="+o[r])}}a.ShowSource.w=window.open("","_blank",q.join(","))}return a.ShowSource.w};a.ShowSource.Text=function(u,t){var q=a.ShowSource.Window(t);u=u.replace(/^\s*/,"").replace(/\s*$/,"");u=u.replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;");if(a.isMobile){q.document.open();q.document.write("<html><head><meta name='viewport' content='width=device-width, initial-scale=1.0' /><title>MathJax Equation Source</title></head><body style='font-size:85%'>");q.document.write("<pre>"+u+"</pre>");q.document.write("<hr><input type='button' value='Close' onclick='window.close()' />");q.document.write("</body></html>");q.document.close()}else{q.document.open();q.document.write("<html><head><title>MathJax Equation Source</title></head><body style='font-size:85%'>");q.document.write("<table><tr><td><pre>"+u+"</pre></td></tr></table>");q.document.write("</body></html>");q.document.close();var s=q.document.body.firstChild;var r=(q.outerHeight-q.innerHeight)||30,p=(q.outerWidth-q.innerWidth)||30;p=Math.min(Math.floor(0.5*screen.width),s.offsetWidth+p+25);r=Math.min(Math.floor(0.5*screen.height),s.offsetHeight+r+25);q.resizeTo(p,r);if(t&&t.screenX!=null){var o=Math.max(0,Math.min(t.screenX-Math.floor(p/2),screen.width-p-20)),v=Math.max(0,Math.min(t.screenY-Math.floor(r/2),screen.height-r-20));q.moveTo(o,v)}}delete a.ShowSource.w};a.Scale=function(){var p=b["HTML-CSS"],o=b.NativeMML;var r=(p?p.config.scale:o.config.scale);var q=prompt("Scale all mathematics (compared to surrounding text) by",r+"%");if(q){if(q.match(/^\s*\d+\s*%?\s*$/)){q=parseInt(q);if(q){if(q!==r){if(p){p.config.scale=q}if(o){o.config.scale=q}a.cookie.scale=q;a.saveCookie();c.Reprocess()}}else{alert("The scale should not be zero")}}else{alert("The scale should be a perentage (e.g., 120%)")}}};a.Zoom=function(){if(!MathJax.Extension.MathZoom){i.Require("[MathJax]/extensions/MathZoom.js")}};a.Renderer=function(){var o=c.config.outputJax["jax/mml"];if(o[0]!==m.settings.renderer){e.Queue(["Require",i,"[MathJax]/jax/output/"+m.settings.renderer+"/config.js"],["Post",c.Startup.signal,m.settings.renderer+" output selected"],[function(){var r=b[m.settings.renderer];for(var q=0,p=o.length;q<p;q++){if(o[q]===r){o.splice(q,1);break}}o.unshift(r)}],["Reprocess",c])}};a.Font=function(){var o=b["HTML-CSS"];if(!o){return}document.location.reload()};c.Browser.Select({MSIE:function(o){var p=(document.compatMode==="BackCompat");var q=o.versionAtLeast("8.0")&&document.documentMode>7;a.Augment({margin:20,msieBackgroundBug:(p||!q),msieAboutBug:p});if(document.documentMode>=9){delete m.styles["#MathJax_About"].filter;delete m.styles[".MathJax_Menu"].filter}},Firefox:function(o){a.skipMouseover=o.isMobile&&o.versionAtLeast("6.0");a.skipMousedown=o.isMobile}});a.isMobile=c.Browser.isMobile;a.noContextMenu=c.Browser.noContextMenu;c.Register.StartupHook("End Config",function(){m.settings=c.config.menuSettings;if(typeof(m.settings.showRenderer)!=="undefined"){m.showRenderer=m.settings.showRenderer}if(typeof(m.settings.showFontMenu)!=="undefined"){m.showFontMenu=m.settings.showFontMenu}if(typeof(m.settings.showContext)!=="undefined"){m.showContext=m.settings.showContext}a.getCookie();a.menu=a(k.SUBMENU("Show Math As",k.COMMAND("MathML Code",a.ShowSource,{nativeTouch:true,format:"MathML"}),k.COMMAND("Original Form",a.ShowSource,{nativeTouch:true})),k.RULE(),k.SUBMENU("Math Settings",k.SUBMENU("Zoom Trigger",k.RADIO("Hover","zoom",{action:a.Zoom}),k.RADIO("Click","zoom",{action:a.Zoom}),k.RADIO("Double-Click","zoom",{action:a.Zoom}),k.RADIO("No Zoom","zoom",{value:"None"}),k.RULE(),k.LABEL("Trigger Requires:"),k.CHECKBOX((c.Browser.isMac?"Option":"Alt"),"ALT"),k.CHECKBOX("Command","CMD",{hidden:!c.Browser.isMac}),k.CHECKBOX("Control","CTRL",{hidden:c.Browser.isMac}),k.CHECKBOX("Shift","Shift")),k.SUBMENU("Zoom Factor",k.RADIO("125%","zscale"),k.RADIO("133%","zscale"),k.RADIO("150%","zscale"),k.RADIO("175%","zscale"),k.RADIO("200%","zscale"),k.RADIO("250%","zscale"),k.RADIO("300%","zscale"),k.RADIO("400%","zscale")),k.RULE(),k.SUBMENU("Math Renderer",{hidden:!m.showRenderer},k.RADIO("HTML-CSS","renderer",{action:a.Renderer}),k.RADIO("MathML","renderer",{action:a.Renderer,value:"NativeMML"})),k.SUBMENU("Font Preference",{hidden:!m.showFontMenu},k.LABEL("For HTML-CSS:"),k.RADIO("Auto","font",{action:a.Font}),k.RULE(),k.RADIO("TeX (local)","font",{action:a.Font}),k.RADIO("TeX (web)","font",{action:a.Font}),k.RADIO("TeX (image)","font",{action:a.Font}),k.RULE(),k.RADIO("STIX (local)","font",{action:a.Font})),k.SUBMENU("Contextual Menu",{hidden:!m.showContext},k.RADIO("MathJax","context"),k.RADIO("Browser","context")),k.COMMAND("Scale All Math ...",a.Scale),k.RULE(),k.CHECKBOX("Highlight on Hover","discoverable")),k.RULE(),k.COMMAND("About MathJax",a.About),k.COMMAND("MathJax Help",a.Help))});a.showRenderer=function(o){a.cookie.showRenderer=m.showRenderer=o;a.saveCookie();a.menu.Find("Math Settings","Math Renderer").hidden=!o};a.showFontMenu=function(o){a.cookie.showFontMenu=m.showFontMenu=o;a.saveCookie();a.menu.Find("Math Settings","Font Preference").hidden=!o};a.showContext=function(o){a.cookie.showContext=m.showContext=o;a.saveCookie();a.menu.Find("Math Settings","Contextual Menu").hidden=!o};if(a.isMobile){(function(){var p=m.settings;var o=a.menu.Find("Math Settings","Zoom Trigger").menu;o.items[0].disabled=o.items[1].disabled=true;if(p.zoom==="Hover"||p.zoom=="Click"){p.zoom="None"}o.items=o.items.slice(0,4);if(navigator.appVersion.match(/[ (]Android[) ]/)){a.ITEM.SUBMENU.Augment({marker:"\u00BB"})}})()}e.Queue(c.Register.StartupHook("End Config",{}),["getImages",a],["Styles",i,m.styles],["Post",c.Startup.signal,"MathMenu Ready"],["loadComplete",i,"[MathJax]/extensions/MathMenu.js"])})(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.CallBack,MathJax.OutputJax);
 
diff --git a/config/TeX-AMS_HTML.js b/config/TeX-AMS_HTML.js
index afbef1b38..27d5ed0a7 100644
--- a/config/TeX-AMS_HTML.js
+++ b/config/TeX-AMS_HTML.js
@@ -35,7 +35,7 @@ MathJax.OutputJax["HTML-CSS"]=MathJax.OutputJax({id:"HTML-CSS",version:"1.1.13",
 
 MathJax.Extension.tex2jax={version:"1.1.3",config:{inlineMath:[["\\(","\\)"]],displayMath:[["$$","$$"],["\\[","\\]"]],skipTags:["script","noscript","style","textarea","pre","code"],ignoreClass:"tex2jax_ignore",processClass:"tex2jax_process",processEscapes:false,processEnvironments:true,preview:"TeX"},PreProcess:function(a){if(!this.configured){this.config=MathJax.Hub.CombineConfig("tex2jax",this.config);if(this.config.Augment){MathJax.Hub.Insert(this,this.config.Augment)}if(typeof(this.config.previewTeX)!=="undefined"&&!this.config.previewTeX){this.config.preview="none"}this.configured=true}if(typeof(a)==="string"){a=document.getElementById(a)}if(!a){a=document.body}this.createPatterns();this.scanElement(a,a.nextSibling)},createPatterns:function(){var d=[],c,a,b=this.config;this.match={};for(c=0,a=b.inlineMath.length;c<a;c++){d.push(this.patternQuote(b.inlineMath[c][0]));this.match[b.inlineMath[c][0]]={mode:"",end:b.inlineMath[c][1],pattern:this.endPattern(b.inlineMath[c][1])}}for(c=0,a=b.displayMath.length;c<a;c++){d.push(this.patternQuote(b.displayMath[c][0]));this.match[b.displayMath[c][0]]={mode:"; mode=display",end:b.displayMath[c][1],pattern:this.endPattern(b.displayMath[c][1])}}this.start=new RegExp(d.sort(this.sortLength).join("|")+(b.processEnvironments?"|\\\\begin\\{([^}]*)\\}":"")+(b.processEscapes?"|\\\\*\\\\\\$":""),"g");this.skipTags=new RegExp("^("+b.skipTags.join("|")+")$","i");this.ignoreClass=new RegExp("(^| )("+b.ignoreClass+")( |$)");this.processClass=new RegExp("(^| )("+b.processClass+")( |$)")},patternQuote:function(a){return a.replace(/([\^$(){}+*?\-|\[\]\:\\])/g,"\\$1")},endPattern:function(a){return new RegExp(this.patternQuote(a)+"|\\\\.","g")},sortLength:function(d,c){if(d.length!==c.length){return c.length-d.length}return(d==c?0:(d<c?-1:1))},scanElement:function(c,b,f){var a,e,d;while(c&&c!=b){if(c.nodeName.toLowerCase()==="#text"){if(!f){c=this.scanText(c)}}else{a=(typeof(c.className)==="undefined"?"":c.className);e=(typeof(c.tagName)==="undefined"?"":c.tagName);if(typeof(a)!=="string"){a=String(a)}if(c.firstChild&&!a.match(/(^| )MathJax/)&&!this.skipTags.exec(e)){d=(f||this.ignoreClass.exec(a))&&!this.processClass.exec(a);this.scanElement(c.firstChild,b,d)}}if(c){c=c.nextSibling}}},scanText:function(b){if(b.nodeValue.replace(/\s+/,"")==""){return b}var a,c;this.search={start:true};this.pattern=this.start;while(b){this.pattern.lastIndex=0;while(b&&b.nodeName.toLowerCase()==="#text"&&(a=this.pattern.exec(b.nodeValue))){if(this.search.start){b=this.startMatch(a,b)}else{b=this.endMatch(a,b)}}if(this.search.matched){b=this.encloseMath(b)}if(b){do{c=b;b=b.nextSibling}while(b&&(b.nodeName.toLowerCase()==="br"||b.nodeName.toLowerCase()==="#comment"));if(!b||b.nodeName!=="#text"){return c}}}return b},startMatch:function(a,b){var f=this.match[a[0]];if(f!=null){this.search={end:f.end,mode:f.mode,open:b,olen:a[0].length,opos:this.pattern.lastIndex-a[0].length};this.switchPattern(f.pattern)}else{if(a[0].substr(0,6)==="\\begin"){this.search={end:"\\end{"+a[1]+"}",mode:"; mode=display",open:b,olen:0,opos:this.pattern.lastIndex-a[0].length,isBeginEnd:true};this.switchPattern(this.endPattern(this.search.end))}else{var d=a[0].substr(0,a[0].length-1),g,c;if(d.length%2===0){c=[d.replace(/\\\\/g,"\\")];g=1}else{c=[d.substr(1).replace(/\\\\/g,"\\"),"$"];g=0}c=MathJax.HTML.Element("span",null,c);var e=MathJax.HTML.TextNode(b.nodeValue.substr(0,a.index));b.nodeValue=b.nodeValue.substr(a.index+a[0].length-g);b.parentNode.insertBefore(c,b);b.parentNode.insertBefore(e,c);this.pattern.lastIndex=g}}return b},endMatch:function(a,b){if(a[0]==this.search.end){this.search.close=b;this.search.cpos=this.pattern.lastIndex;this.search.clen=(this.search.isBeginEnd?0:a[0].length);this.search.matched=true;b=this.encloseMath(b);this.switchPattern(this.start)}return b},switchPattern:function(a){a.lastIndex=this.pattern.lastIndex;this.pattern=a;this.search.start=(a===this.start)},encloseMath:function(b){var a=this.search,f=a.close,e,c;if(a.cpos===f.length){f=f.nextSibling}else{f=f.splitText(a.cpos)}if(!f){e=f=MathJax.HTML.addText(a.close.parentNode,"")}a.close=f;c=(a.opos?a.open.splitText(a.opos):a.open);while(c.nextSibling&&c.nextSibling!==f){if(c.nextSibling.nodeValue!==null){if(c.nextSibling.nodeName==="#comment"){c.nodeValue+=c.nextSibling.nodeValue.replace(/^\[CDATA\[((.|\n|\r)*)\]\]$/,"$1")}else{c.nodeValue+=c.nextSibling.nodeValue}}else{if(this.msieNewlineBug){c.nodeValue+=(c.nextSibling.nodeName.toLowerCase()==="br"?"\n":" ")}else{c.nodeValue+=" "}}c.parentNode.removeChild(c.nextSibling)}var d=c.nodeValue.substr(a.olen,c.nodeValue.length-a.olen-a.clen);c.parentNode.removeChild(c);if(this.config.preview!=="none"){this.createPreview(a.mode,d)}c=this.createMathTag(a.mode,d);this.search={};this.pattern.lastIndex=0;if(e){e.parentNode.removeChild(e)}return c},insertNode:function(b){var a=this.search;a.close.parentNode.insertBefore(b,a.close)},createPreview:function(c,a){var b;if(this.config.preview==="TeX"){b=[this.filterTeX(a)]}else{if(this.config.preview instanceof Array){b=this.config.preview}}if(b){b=MathJax.HTML.Element("span",{className:MathJax.Hub.config.preRemoveClass},b);this.insertNode(b)}},createMathTag:function(c,b){var a=document.createElement("script");a.type="math/tex"+c;MathJax.HTML.setScript(a,b);this.insertNode(a);return a},filterTeX:function(a){return a},msieNewlineBug:(MathJax.Hub.Browser.isMSIE&&document.documentMode<9)};MathJax.Hub.Register.PreProcessor(["PreProcess",MathJax.Extension.tex2jax]);MathJax.Ajax.loadComplete("[MathJax]/extensions/tex2jax.js");
 
-(function(a,d,f,c,j){var k="1.1.3";var i=a.CombineConfig("MathZoom",{styles:{"#MathJax_Zoom":{position:"absolute","background-color":"#F0F0F0",overflow:"auto",display:"block","z-index":301,padding:".5em",border:"1px solid black",margin:0,"font-family":"serif","font-size":"85%","font-weight":"normal","font-style":"normal","text-align":"left","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","box-shadow":"5px 5px 15px #AAAAAA","-webkit-box-shadow":"5px 5px 15px #AAAAAA","-moz-box-shadow":"5px 5px 15px #AAAAAA","-khtml-box-shadow":"5px 5px 15px #AAAAAA",filter:"dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},"#MathJax_ZoomOverlay":{position:"absolute",left:0,top:0,"z-index":300,display:"inline-block",width:"100%",height:"100%",border:0,padding:0,margin:0,"background-color":"white",opacity:0,filter:"alpha(opacity=0)"}}});var e,b,g;MathJax.Hub.Register.StartupHook("MathEvents Ready",function(){g=MathJax.Extension.MathEvents.Event;e=MathJax.Extension.MathEvents.Event.False;b=MathJax.Extension.MathEvents.Hover});var h=MathJax.Extension.MathZoom={version:k,settings:a.config.menuSettings,HandleEvent:function(n,l,m){if(h.settings.CTRL&&!n.ctrlKey){return true}if(h.settings.ALT&&!n.altKey){return true}if(h.settings.CMD&&!n.metaKey){return true}if(h.settings.Shift&&!n.shiftKey){return true}if(!h[l]){return true}return h[l](n,m)},Click:function(m,l){if(this.settings.zoom==="Click"){return this.Zoom(m,l)}},DblClick:function(m,l){if(this.settings.zoom==="Double-Click"){return this.Zoom(m,l)}},Hover:function(m,l){if(this.settings.zoom==="Hover"){this.Zoom(m,l);return true}return false},Zoom:function(n,t){this.Remove();b.ClearHoverTimer();g.ClearSelection();var q=MathJax.OutputJax[t.jaxID];var o=q.getJaxFromMath(t),s=o.root;if(o.hover){b.UnHover(o)}var l=Math.floor(0.85*document.body.clientWidth),r=Math.floor(0.85*document.body.clientHeight);var m=d.Element("span",{style:{position:"relative",display:"inline-block",height:0,width:0},id:"MathJax_ZoomFrame"},[["span",{id:"MathJax_ZoomOverlay",onmousedown:this.Remove}],["span",{id:"MathJax_Zoom",onclick:this.Remove,style:{visibility:"hidden",fontSize:this.settings.zscale,"max-width":l+"px","max-height":r+"px"}},[["span",{style:{display:"inline-block","white-space":"nowrap"}}]]]]);var x=m.lastChild,v=x.firstChild,p=m.firstChild;t.parentNode.insertBefore(m,t);if(v.addEventListener){v.addEventListener("mousedown",this.Remove,true)}if(this.msieZIndexBug){var u=d.addElement(document.body,"img",{src:"about:blank",id:"MathJax_ZoomTracker",width:0,height:0,style:{width:0,height:0,position:"relative"}});m.style.position="relative";m.style.zIndex=i.styles["#MathJax_ZoomOverlay"]["z-index"];m=u}var w=q.Zoom(s,v,t,l,r);if(this.msiePositionBug){if(this.msieSizeBug){x.style.height=w.zH+"px";x.style.width=w.zW+"px"}if(x.offsetHeight>r){x.style.height=r+"px";v.style.marginRight="16px"}if(x.offsetWidth>l){x.style.width=l+"px";v.style.marginBottom="16px"}}if(this.operaPositionBug){x.style.width=Math.min(l,w.zW)+"px"}if(x.offsetWidth<l&&x.offsetHeight<r){x.style.overflow="visible"}this.Position(x,w);x.style.visibility="";if(this.settings.zoom==="Hover"){p.onmouseover=this.Remove}if(window.addEventListener){addEventListener("resize",this.Resize,false)}else{if(window.attachEvent){attachEvent("onresize",this.Resize)}else{this.onresize=window.onresize;window.onresize=this.Resize}}return e(n)},Position:function(p,r){var q=this.Resize(),m=q.x,s=q.y,l=r.mW;var o=-Math.floor((p.offsetWidth-l)/2),n=r.Y;p.style.left=Math.max(o,10-m)+"px";p.style.top=Math.max(n,10-s)+"px"},Resize:function(n){if(h.onresize){h.onresize(n)}var l=0,q=0,p=document.getElementById("MathJax_ZoomFrame"),o=p,m=document.getElementById("MathJax_ZoomOverlay");if(h.operaPositionBug){p.style.border="1px solid"}if(o.offsetParent){do{l+=o.offsetLeft;q+=o.offsetTop}while(o=o.offsetParent)}if(h.operaPositionBug){p.style.border=""}m.style.left=(-l)+"px";m.style.top=(-q)+"px";if(h.msiePositionBug){setTimeout(h.SetWH,0)}else{h.SetWH()}return{x:l,y:q}},SetWH:function(){var l=document.getElementById("MathJax_ZoomOverlay");l.style.width=l.style.height="1px";l.style.width=document.body.scrollWidth+"px";l.style.height=document.body.scrollHeight+"px"},Remove:function(m){var n=document.getElementById("MathJax_ZoomFrame");if(n){n.parentNode.removeChild(n);n=document.getElementById("MathJax_ZoomTracker");if(n){n.parentNode.removeChild(n)}if(h.operaRefreshBug){var l=d.addElement(document.body,"div",{style:{position:"fixed",left:0,top:0,width:"100%",height:"100%",backgroundColor:"white",opacity:0},id:"MathJax_OperaDiv"});document.body.removeChild(l)}if(window.removeEventListener){removeEventListener("resize",h.Resize,false)}else{if(window.detachEvent){detachEvent("onresize",h.Resize)}else{window.onresize=h.onresize;delete h.onresize}}}return e(m)}};a.Browser.Select({MSIE:function(l){var n=(document.documentMode||0);var m=(n>=9);h.msiePositionBug=!m;h.msieSizeBug=l.versionAtLeast("7.0")&&(!document.documentMode||n===7||n===8);h.msieZIndexBug=(n<=7);h.msieInlineBlockAlignBug=(n<=7);if(m){delete i.styles["#MathJax_Zoom"].filter}},Opera:function(l){h.operaPositionBug=true;h.operaRefreshBug=true}});h.topImg=(h.msieInlineBlockAlignBug?d.Element("img",{style:{width:0,height:0,position:"relative"},src:"about:blank"}):d.Element("span",{style:{width:0,height:0,display:"inline-block"}}));if(h.operaPositionBug||h.msieTopBug){h.topImg.style.border="1px solid"}MathJax.Callback.Queue(["StartupHook",MathJax.Hub.Register,"Begin Styles",{}],["Styles",f,i.styles],["Post",a.Startup.signal,"MathZoom Ready"],["loadComplete",f,"[MathJax]/extensions/MathZoom.js"])})(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.OutputJax["HTML-CSS"],MathJax.OutputJax.NativeMML);
+(function(a,d,f,c,j){var k="1.1.3";var i=a.CombineConfig("MathZoom",{styles:{"#MathJax_Zoom":{position:"absolute","background-color":"#F0F0F0",overflow:"auto",display:"block","z-index":301,padding:".5em",border:"1px solid black",margin:0,"font-family":"serif","font-size":"85%","font-weight":"normal","font-style":"normal","text-align":"left","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","box-shadow":"5px 5px 15px #AAAAAA","-webkit-box-shadow":"5px 5px 15px #AAAAAA","-moz-box-shadow":"5px 5px 15px #AAAAAA","-khtml-box-shadow":"5px 5px 15px #AAAAAA",filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},"#MathJax_ZoomOverlay":{position:"absolute",left:0,top:0,"z-index":300,display:"inline-block",width:"100%",height:"100%",border:0,padding:0,margin:0,"background-color":"white",opacity:0,filter:"alpha(opacity=0)"},"#MathJax_ZoomEventTrap":{position:"absolute",left:0,top:0,"z-index":302,display:"inline-block",border:0,padding:0,margin:0,"background-color":"white",opacity:0,filter:"alpha(opacity=0)"}}});var e,b,g;MathJax.Hub.Register.StartupHook("MathEvents Ready",function(){g=MathJax.Extension.MathEvents.Event;e=MathJax.Extension.MathEvents.Event.False;b=MathJax.Extension.MathEvents.Hover});var h=MathJax.Extension.MathZoom={version:k,settings:a.config.menuSettings,scrollSize:18,HandleEvent:function(n,l,m){if(h.settings.CTRL&&!n.ctrlKey){return true}if(h.settings.ALT&&!n.altKey){return true}if(h.settings.CMD&&!n.metaKey){return true}if(h.settings.Shift&&!n.shiftKey){return true}if(!h[l]){return true}return h[l](n,m)},Click:function(m,l){if(this.settings.zoom==="Click"){return this.Zoom(m,l)}},DblClick:function(m,l){if(this.settings.zoom==="Double-Click"){return this.Zoom(m,l)}},Hover:function(m,l){if(this.settings.zoom==="Hover"){this.Zoom(m,l);return true}return false},Zoom:function(n,t){this.Remove();b.ClearHoverTimer();g.ClearSelection();var q=MathJax.OutputJax[t.jaxID];var o=q.getJaxFromMath(t),s=o.root;if(o.hover){b.UnHover(o)}var l=Math.floor(0.85*document.body.clientWidth),r=Math.floor(0.85*document.body.clientHeight);var m=d.Element("span",{style:{position:"relative",display:"inline-block",height:0,width:0},id:"MathJax_ZoomFrame"},[["span",{id:"MathJax_ZoomOverlay",onmousedown:this.Remove}],["span",{id:"MathJax_Zoom",onclick:this.Remove,style:{visibility:"hidden",fontSize:this.settings.zscale,"max-width":l+"px","max-height":r+"px"}},[["span",{style:{display:"inline-block","white-space":"nowrap"}}]]]]);var y=m.lastChild,v=y.firstChild,p=m.firstChild;t.parentNode.insertBefore(m,t);if(v.addEventListener){v.addEventListener("mousedown",this.Remove,true)}if(this.msieTrapEventBug){var x=d.Element("span",{id:"MathJax_ZoomEventTrap",onmousedown:this.Remove});m.insertBefore(x,y)}if(this.msieZIndexBug){var u=d.addElement(document.body,"img",{src:"about:blank",id:"MathJax_ZoomTracker",width:0,height:0,style:{width:0,height:0,position:"relative"}});m.style.position="relative";m.style.zIndex=i.styles["#MathJax_ZoomOverlay"]["z-index"];m=u}var w=q.Zoom(s,v,t,l,r);if(this.msiePositionBug){if(this.msieSizeBug){y.style.height=w.zH+"px";y.style.width=w.zW+"px"}if(y.offsetHeight>r){y.style.height=r+"px";y.style.width=(w.zW+this.scrollSize)+"px"}if(y.offsetWidth>l){y.style.width=l+"px";y.style.height=(w.zH+this.scrollSize)+"px"}}if(this.operaPositionBug){y.style.width=Math.min(l,w.zW)+"px"}if(y.offsetWidth<l&&y.offsetHeight<r){y.style.overflow="visible"}this.Position(y,w);if(this.msieTrapEventBug){x.style.height=y.clientHeight+"px";x.style.width=y.clientWidth+"px";x.style.left=(parseFloat(y.style.left)+y.clientLeft)+"px";x.style.top=(parseFloat(y.style.top)+y.clientTop)+"px"}y.style.visibility="";if(this.settings.zoom==="Hover"){p.onmouseover=this.Remove}if(window.addEventListener){addEventListener("resize",this.Resize,false)}else{if(window.attachEvent){attachEvent("onresize",this.Resize)}else{this.onresize=window.onresize;window.onresize=this.Resize}}return e(n)},Position:function(p,r){var q=this.Resize(),m=q.x,s=q.y,l=r.mW;var o=-Math.floor((p.offsetWidth-l)/2),n=r.Y;p.style.left=Math.max(o,10-m)+"px";p.style.top=Math.max(n,10-s)+"px"},Resize:function(n){if(h.onresize){h.onresize(n)}var l=0,q=0,p=document.getElementById("MathJax_ZoomFrame"),o=p,m=document.getElementById("MathJax_ZoomOverlay");if(h.operaPositionBug){p.style.border="1px solid"}if(o.offsetParent){do{l+=o.offsetLeft;q+=o.offsetTop}while(o=o.offsetParent)}if(h.operaPositionBug){p.style.border=""}m.style.left=(-l)+"px";m.style.top=(-q)+"px";if(h.msiePositionBug){setTimeout(h.SetWH,0)}else{h.SetWH()}return{x:l,y:q}},SetWH:function(){var l=document.getElementById("MathJax_ZoomOverlay");l.style.width=l.style.height="1px";l.style.width=document.body.scrollWidth+"px";l.style.height=document.body.scrollHeight+"px"},Remove:function(m){var n=document.getElementById("MathJax_ZoomFrame");if(n){n.parentNode.removeChild(n);n=document.getElementById("MathJax_ZoomTracker");if(n){n.parentNode.removeChild(n)}if(h.operaRefreshBug){var l=d.addElement(document.body,"div",{style:{position:"fixed",left:0,top:0,width:"100%",height:"100%",backgroundColor:"white",opacity:0},id:"MathJax_OperaDiv"});document.body.removeChild(l)}if(window.removeEventListener){removeEventListener("resize",h.Resize,false)}else{if(window.detachEvent){detachEvent("onresize",h.Resize)}else{window.onresize=h.onresize;delete h.onresize}}}return e(m)}};a.Browser.Select({MSIE:function(l){var n=(document.documentMode||0);var m=(n>=9);h.msiePositionBug=!m;h.msieSizeBug=l.versionAtLeast("7.0")&&(!document.documentMode||n===7||n===8);h.msieZIndexBug=(n<=7);h.msieInlineBlockAlignBug=(n<=7);h.msieTrapEventBug=!window.addEventListener;if(document.compatMode==="BackCompat"){h.scrollSize=52}if(m){delete i.styles["#MathJax_Zoom"].filter}},Opera:function(l){h.operaPositionBug=true;h.operaRefreshBug=true}});h.topImg=(h.msieInlineBlockAlignBug?d.Element("img",{style:{width:0,height:0,position:"relative"},src:"about:blank"}):d.Element("span",{style:{width:0,height:0,display:"inline-block"}}));if(h.operaPositionBug||h.msieTopBug){h.topImg.style.border="1px solid"}MathJax.Callback.Queue(["StartupHook",MathJax.Hub.Register,"Begin Styles",{}],["Styles",f,i.styles],["Post",a.Startup.signal,"MathZoom Ready"],["loadComplete",f,"[MathJax]/extensions/MathZoom.js"])})(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.OutputJax["HTML-CSS"],MathJax.OutputJax.NativeMML);
 
 (function(c,f,i,e,b){var n="1.1.8";MathJax.Extension.MathMenu={version:n};var l=c.Browser.isPC,j=c.Browser.isMSIE;var h=(l?null:"5px");var m=c.CombineConfig("MathMenu",{delay:150,helpURL:"http://www.mathjax.org/help/user/",closeImg:i.fileURL(b.imageDir+"/CloseX-31.png"),showRenderer:true,showFontMenu:false,showContext:false,windowSettings:{status:"no",toolbar:"no",locationbar:"no",menubar:"no",directories:"no",personalbar:"no",resizable:"yes",scrollbars:"yes",width:100,height:50},styles:{"#MathJax_About":{position:"fixed",left:"50%",width:"auto","text-align":"center",border:"3px outset",padding:"1em 2em","background-color":"#DDDDDD",color:"black",cursor:"default","font-family":"message-box","font-size":"120%","font-style":"normal","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","z-index":201,"border-radius":"15px","-webkit-border-radius":"15px","-moz-border-radius":"15px","-khtml-border-radius":"15px","box-shadow":"0px 10px 20px #808080","-webkit-box-shadow":"0px 10px 20px #808080","-moz-box-shadow":"0px 10px 20px #808080","-khtml-box-shadow":"0px 10px 20px #808080",filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},".MathJax_Menu":{position:"absolute","background-color":"white",color:"black",width:"auto",padding:(l?"2px":"5px 0px"),border:"1px solid #CCCCCC",margin:0,cursor:"default",font:"menu","text-align":"left","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","z-index":201,"border-radius":h,"-webkit-border-radius":h,"-moz-border-radius":h,"-khtml-border-radius":h,"box-shadow":"0px 10px 20px #808080","-webkit-box-shadow":"0px 10px 20px #808080","-moz-box-shadow":"0px 10px 20px #808080","-khtml-box-shadow":"0px 10px 20px #808080",filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},".MathJax_MenuItem":{padding:(l?"2px 2em":"1px 2em"),background:"transparent"},".MathJax_MenuTitle":{"background-color":"#CCCCCC",margin:(l?"-1px -1px 1px -1px":"-5px 0 0 0"),"text-align":"center","font-style":"italic","font-size":"80%",color:"#444444",padding:"2px 0",overflow:"hidden"},".MathJax_MenuArrow":{position:"absolute",right:".5em",color:"#666666","font-family":(j?"'Arial unicode MS'":null)},".MathJax_MenuActive .MathJax_MenuArrow":{color:"white"},".MathJax_MenuCheck":{position:"absolute",left:".7em","font-family":(j?"'Arial unicode MS'":null)},".MathJax_MenuRadioCheck":{position:"absolute",left:(l?"1em":".7em")},".MathJax_MenuLabel":{padding:(l?"2px 2em 4px 1.33em":"1px 2em 3px 1.33em"),"font-style":"italic"},".MathJax_MenuRule":{"border-top":(l?"1px solid #CCCCCC":"1px solid #DDDDDD"),margin:(l?"4px 1px 0px":"4px 3px")},".MathJax_MenuDisabled":{color:"GrayText"},".MathJax_MenuActive":{"background-color":(l?"Highlight":"#606872"),color:(l?"HighlightText":"white")},".MathJax_Menu_Close":{position:"absolute",width:"31px",height:"31px",top:"-15px",left:"-15px"}}});var g,d;c.Register.StartupHook("MathEvents Ready",function(){g=MathJax.Extension.MathEvents.Event.False;d=MathJax.Extension.MathEvents.Hover});var a=MathJax.Menu=MathJax.Object.Subclass({version:n,items:[],posted:false,title:null,margin:5,Init:function(o){this.items=[].slice.call(arguments,0)},With:function(o){if(o){c.Insert(this,o)}return this},Post:function(p,z){if(!p){p=window.event}var v=(!this.title?null:[["div",{className:"MathJax_MenuTitle"},[this.title]]]);var o=document.getElementById("MathJax_MenuFrame");if(!o){o=a.Background(this);delete k.lastItem;delete k.lastMenu;delete a.skipUp}var q=f.addElement(o,"div",{onmouseup:a.Mouseup,ondblclick:g,ondragstart:g,onselectstart:g,oncontextmenu:g,menuItem:this,className:"MathJax_Menu"},v);for(var s=0,r=this.items.length;s<r;s++){this.items[s].Create(q)}if(a.isMobile){f.addElement(q,"img",{className:"MathJax_Menu_Close",menu:z,src:m.closeImg,ontouchstart:a.Close,ontouchend:g,onmousedown:a.Close})}this.posted=true;q.style.width=(q.offsetWidth+2)+"px";var w=p.pageX,u=p.pageY;if(!w&&!u){w=p.clientX+document.body.scrollLeft+document.documentElement.scrollLeft;u=p.clientY+document.body.scrollTop+document.documentElement.scrollTop}if(!z){if(w+q.offsetWidth>document.body.offsetWidth-this.margin){w=document.body.offsetWidth-q.offsetWidth-this.margin}if(a.isMobile){w=Math.max(5,w-Math.floor(q.offsetWidth/2));u-=20}a.skipUp=p.isContextMenu}else{var t="left",A=z.offsetWidth;w=(a.isMobile?30:A-2);u=0;while(z&&z!==o){w+=z.offsetLeft;u+=z.offsetTop;z=z.parentNode}if(w+q.offsetWidth>document.body.offsetWidth-this.margin&&!a.isMobile){t="right";w=Math.max(this.margin,w-A-q.offsetWidth+6)}if(!l){q.style["borderRadiusTop"+t]=0;q.style["WebkitBorderRadiusTop"+t]=0;q.style["MozBorderRadiusTop"+t]=0;q.style["KhtmlBorderRadiusTop"+t]=0}}q.style.left=w+"px";q.style.top=u+"px";if(document.selection&&document.selection.empty){document.selection.empty()}return g(p)},Remove:function(o,p){var q=document.getElementById("MathJax_MenuFrame");if(q){q.parentNode.removeChild(q);if(this.msieBackgroundBug){detachEvent("onresize",a.Resize)}}if(a.jax.hover){delete a.jax.hover.nofade;d.UnHover(a.jax)}},Find:function(p){var r=[].slice.call(arguments,1);for(var q=0,o=this.items.length;q<o;q++){if(this.items[q].name===p){if(r.length){if(!this.items[q].menu){return null}return this.items[q].menu.Find.apply(this.items[q].menu,r)}return this.items[q]}}return null}},{config:m,div:null,Close:function(o){return a.Event(o,this.menu||this.parentNode,(this.menu?"Touchend":"Remove"))},Remove:function(o){return a.Event(o,this,"Remove")},Mouseover:function(o){return a.Event(o,this,"Mouseover")},Mouseout:function(o){return a.Event(o,this,"Mouseout")},Mousedown:function(o){return a.Event(o,this,"Mousedown")},Mouseup:function(o){return a.Event(o,this,"Mouseup")},Touchstart:function(o){return a.Event(o,this,"Touchstart")},Touchend:function(o){return a.Event(o,this,"Touchend")},Event:function(q,s,o,r){if(a.skipMouseover&&o==="Mouseover"&&!r){return g(q)}if(a.skipUp){if(o.match(/Mouseup|Touchend/)){delete a.skipUp;return g(q)}if(o==="Touchstart"||(o==="Mousedown"&&!a.skipMousedown)){delete a.skipUp}}if(!q){q=window.event}var p=s.menuItem;if(p&&p[o]){return p[o](q,s)}return null},BGSTYLE:{position:"absolute",left:0,top:0,"z-index":200,width:"100%",height:"100%",border:0,padding:0,margin:0},Background:function(p){var q=f.addElement(document.body,"div",{style:this.BGSTYLE,id:"MathJax_MenuFrame"},[["div",{style:this.BGSTYLE,menuItem:p,onmousedown:this.Remove}]]);var o=q.firstChild;if(p.msieBackgroundBug){o.style.backgroundColor="white";o.style.filter="alpha(opacity=0)";q.width=q.height=0;this.Resize();attachEvent("onresize",this.Resize)}else{o.style.position="fixed"}return q},Resize:function(){setTimeout(a.SetWH,0)},SetWH:function(){var o=document.getElementById("MathJax_MenuFrame");if(o){o=o.firstChild;o.style.width=o.style.height="1px";o.style.width=document.body.scrollWidth+"px";o.style.height=document.body.scrollHeight+"px"}},saveCookie:function(){f.Cookie.Set("menu",this.cookie)},getCookie:function(){this.cookie=f.Cookie.Get("menu")},getImages:function(){if(a.isMobile){var o=new Image();o.src=m.closeImg}}});var k=a.ITEM=MathJax.Object.Subclass({name:"",Create:function(p){if(!this.hidden){var o={onmouseover:a.Mouseover,onmouseout:a.Mouseout,onmouseup:a.Mouseup,onmousedown:a.Mousedown,ondragstart:g,onselectstart:g,onselectend:g,ontouchstart:a.Touchstart,ontouchend:a.Touchend,className:"MathJax_MenuItem",menuItem:this};if(this.disabled){o.className+=" MathJax_MenuDisabled"}f.addElement(p,"div",o,this.Label(o,p))}},Mouseover:function(s,u){if(!this.disabled){this.Activate(u)}if(!this.menu||!this.menu.posted){var t=document.getElementById("MathJax_MenuFrame").childNodes,p=u.parentNode.childNodes;for(var q=0,o=p.length;q<o;q++){var r=p[q].menuItem;if(r&&r.menu&&r.menu.posted){r.Deactivate(p[q])}}o=t.length-1;while(o>=0&&u.parentNode.menuItem!==t[o].menuItem){t[o].menuItem.posted=false;t[o].parentNode.removeChild(t[o]);o--}if(this.Timer&&!a.isMobile){this.Timer(s,u)}}},Mouseout:function(o,p){if(!this.menu||!this.menu.posted){this.Deactivate(p)}if(this.timer){clearTimeout(this.timer);delete this.timer}},Mouseup:function(o,p){return this.Remove(o,p)},Touchstart:function(o,p){return this.TouchEvent(o,p,"Mousedown")},Touchend:function(o,p){return this.TouchEvent(o,p,"Mouseup")},TouchEvent:function(p,q,o){if(this!==k.lastItem){if(k.lastMenu){a.Event(p,k.lastMenu,"Mouseout")}a.Event(p,q,"Mouseover",true);k.lastItem=this;k.lastMenu=q}if(this.nativeTouch){return null}a.Event(p,q,o);return false},Remove:function(o,p){p=p.parentNode.menuItem;return p.Remove(o,p)},Activate:function(o){this.Deactivate(o);o.className+=" MathJax_MenuActive"},Deactivate:function(o){o.className=o.className.replace(/ MathJax_MenuActive/,"")},With:function(o){if(o){c.Insert(this,o)}return this}});a.ITEM.COMMAND=a.ITEM.Subclass({action:function(){},Init:function(o,q,p){this.name=o;this.action=q;this.With(p)},Label:function(o,p){return[this.name]},Mouseup:function(o,p){if(!this.disabled){this.Remove(o,p);this.action.call(this,o)}return g(o)}});a.ITEM.SUBMENU=a.ITEM.Subclass({menu:null,marker:(l&&!c.Browser.isSafari?"\u25B6":"\u25B8"),Init:function(o,q){this.name=o;var p=1;if(!(q instanceof a.ITEM)){this.With(q),p++}this.menu=a.apply(a,[].slice.call(arguments,p))},Label:function(o,p){this.menu.posted=false;return[this.name+" ",["span",{className:"MathJax_MenuArrow"},[this.marker]]]},Timer:function(o,p){if(this.timer){clearTimeout(this.timer)}o={clientX:o.clientX,clientY:o.clientY};this.timer=setTimeout(e(["Mouseup",this,o,p]),m.delay)},Touchend:function(p,r){var q=this.menu.posted;var o=this.SUPER(arguments).Touchend.apply(this,arguments);if(q){this.Deactivate(r);delete k.lastItem;delete k.lastMenu}return o},Mouseup:function(p,r){if(!this.disabled){if(!this.menu.posted){if(this.timer){clearTimeout(this.timer);delete this.timer}this.menu.Post(p,r)}else{var q=document.getElementById("MathJax_MenuFrame").childNodes,o=q.length-1;while(o>=0){var s=q[o];s.menuItem.posted=false;s.parentNode.removeChild(s);if(s.menuItem===this.menu){break}o--}}}return g(p)}});a.ITEM.RADIO=a.ITEM.Subclass({variable:null,marker:(l?"\u25CF":"\u2713"),Init:function(p,o,q){this.name=p;this.variable=o;this.With(q);if(this.value==null){this.value=this.name}},Label:function(p,q){var o={className:"MathJax_MenuRadioCheck"};if(m.settings[this.variable]!==this.value){o={style:{display:"none"}}}return[["span",o,[this.marker]]," "+this.name]},Mouseup:function(r,s){if(!this.disabled){var t=s.parentNode.childNodes;for(var p=0,o=t.length;p<o;p++){var q=t[p].menuItem;if(q&&q.variable===this.variable){t[p].firstChild.style.display="none"}}s.firstChild.display="";m.settings[this.variable]=this.value;a.cookie[this.variable]=m.settings[this.variable];a.saveCookie();if(this.action){this.action.call(a)}}this.Remove(r,s);return g(r)}});a.ITEM.CHECKBOX=a.ITEM.Subclass({variable:null,marker:"\u2713",Init:function(p,o,q){this.name=p;this.variable=o;this.With(q)},Label:function(p,q){var o={className:"MathJax_MenuCheck"};if(!m.settings[this.variable]){o={style:{display:"none"}}}return[["span",o,[this.marker]]," "+this.name]},Mouseup:function(o,p){if(!this.disabled){p.firstChild.display=(m.settings[this.variable]?"none":"");m.settings[this.variable]=!m.settings[this.variable];a.cookie[this.variable]=m.settings[this.variable];a.saveCookie();if(this.action){this.action.call(a)}}this.Remove(o,p);return g(o)}});a.ITEM.LABEL=a.ITEM.Subclass({Init:function(o,p){this.name=o;this.With(p)},Label:function(o,p){delete o.onmouseover,delete o.onmouseout;delete o.onmousedown;o.className+=" MathJax_MenuLabel";return[this.name]}});a.ITEM.RULE=a.ITEM.Subclass({Label:function(o,p){delete o.onmouseover,delete o.onmouseout;delete o.onmousedown;o.className+=" MathJax_MenuRule";return null}});a.About=function(){var r=b["HTML-CSS"]||{fontInUse:""};var t=(r.webFonts?"":"local "),p=(r.webFonts?" web":"");var q=(r.imgFonts?"Image":t+r.fontInUse+p)+" fonts";var o=["MathJax.js v"+MathJax.fileversion,["br"]];o.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}]);a.About.GetJax(o,MathJax.InputJax,"Input Jax");a.About.GetJax(o,MathJax.OutputJax,"Output Jax");a.About.GetJax(o,MathJax.ElementJax,"Element Jax");o.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}]);a.About.GetJax(o,MathJax.Extension,"Extension",true);o.push(["div",{style:{"border-top":"groove 2px",margin:".25em 0"}}],["center",{},[c.Browser+" v"+c.Browser.version+(r.webFonts?" \u2014 "+r.allowWebFonts+" fonts":"")]]);a.About.div=a.Background(a.About);var u=f.addElement(a.About.div,"div",{id:"MathJax_About",onclick:a.About.Remove},[["b",{style:{fontSize:"120%"}},["MathJax"]]," v"+MathJax.version,["br"],"using "+q,["br"],["br"],["span",{style:{display:"inline-block","text-align":"left","font-size":"80%","background-color":"#E4E4E4",padding:".4em .6em",border:"1px inset"}},o],["br"],["br"],["a",{href:"http://www.mathjax.org/"},["www.mathjax.org"]]]);var v=(document.documentElement||{});var s=window.innerHeight||v.clientHeight||v.scrollHeight||0;if(a.prototype.msieAboutBug){u.style.width="20em";u.style.position="absolute";u.style.left=Math.floor((document.documentElement.scrollWidth-u.offsetWidth)/2)+"px";u.style.top=(Math.floor((s-u.offsetHeight)/3)+document.body.scrollTop)+"px"}else{u.style.marginLeft=Math.floor(-u.offsetWidth/2)+"px";u.style.top=Math.floor((s-u.offsetHeight)/3)+"px"}};a.About.Remove=function(o){if(a.About.div){document.body.removeChild(a.About.div);delete a.About.div}};a.About.GetJax=function(p,u,s,r){var t=[];for(var v in u){if(u.hasOwnProperty(v)&&u[v]){if((r&&u[v].version)||(u[v].isa&&u[v].isa(u))){t.push((u[v].id||v)+" "+s+" v"+u[v].version)}}}t.sort();for(var q=0,o=t.length;q<o;q++){p.push(t[q],["br"])}return p};a.Help=function(){window.open(m.helpURL,"MathJaxHelp")};a.ShowSource=function(r){if(!r){r=window.event}var q={screenX:r.screenX,screenY:r.screenY};if(!a.jax){return}if(this.format==="MathML"){var o=MathJax.ElementJax.mml;if(o&&typeof(o.mbase.prototype.toMathML)!=="undefined"){try{a.ShowSource.Text(a.jax.root.toMathML(),r)}catch(p){if(!p.restart){throw p}e.After([this,a.ShowSource,q])}}else{if(!i.loadingToMathML){i.loadingToMathML=true;a.ShowSource.Window(r);e.Queue(i.Require("[MathJax]/extensions/toMathML.js"),function(){delete i.loadingToMathML;if(!o.mbase.prototype.toMathML){o.mbase.prototype.toMathML=function(){}}},[this,a.ShowSource,q]);return}}}else{if(a.jax.originalText==null){alert("No TeX form available");return}a.ShowSource.Text(a.jax.originalText,r)}};a.ShowSource.Window=function(p){if(!a.ShowSource.w){var q=[],o=m.windowSettings;for(var r in o){if(o.hasOwnProperty(r)){q.push(r+"="+o[r])}}a.ShowSource.w=window.open("","_blank",q.join(","))}return a.ShowSource.w};a.ShowSource.Text=function(u,t){var q=a.ShowSource.Window(t);u=u.replace(/^\s*/,"").replace(/\s*$/,"");u=u.replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;");if(a.isMobile){q.document.open();q.document.write("<html><head><meta name='viewport' content='width=device-width, initial-scale=1.0' /><title>MathJax Equation Source</title></head><body style='font-size:85%'>");q.document.write("<pre>"+u+"</pre>");q.document.write("<hr><input type='button' value='Close' onclick='window.close()' />");q.document.write("</body></html>");q.document.close()}else{q.document.open();q.document.write("<html><head><title>MathJax Equation Source</title></head><body style='font-size:85%'>");q.document.write("<table><tr><td><pre>"+u+"</pre></td></tr></table>");q.document.write("</body></html>");q.document.close();var s=q.document.body.firstChild;var r=(q.outerHeight-q.innerHeight)||30,p=(q.outerWidth-q.innerWidth)||30;p=Math.min(Math.floor(0.5*screen.width),s.offsetWidth+p+25);r=Math.min(Math.floor(0.5*screen.height),s.offsetHeight+r+25);q.resizeTo(p,r);if(t&&t.screenX!=null){var o=Math.max(0,Math.min(t.screenX-Math.floor(p/2),screen.width-p-20)),v=Math.max(0,Math.min(t.screenY-Math.floor(r/2),screen.height-r-20));q.moveTo(o,v)}}delete a.ShowSource.w};a.Scale=function(){var p=b["HTML-CSS"],o=b.NativeMML;var r=(p?p.config.scale:o.config.scale);var q=prompt("Scale all mathematics (compared to surrounding text) by",r+"%");if(q){if(q.match(/^\s*\d+\s*%?\s*$/)){q=parseInt(q);if(q){if(q!==r){if(p){p.config.scale=q}if(o){o.config.scale=q}a.cookie.scale=q;a.saveCookie();c.Reprocess()}}else{alert("The scale should not be zero")}}else{alert("The scale should be a perentage (e.g., 120%)")}}};a.Zoom=function(){if(!MathJax.Extension.MathZoom){i.Require("[MathJax]/extensions/MathZoom.js")}};a.Renderer=function(){var o=c.config.outputJax["jax/mml"];if(o[0]!==m.settings.renderer){e.Queue(["Require",i,"[MathJax]/jax/output/"+m.settings.renderer+"/config.js"],["Post",c.Startup.signal,m.settings.renderer+" output selected"],[function(){var r=b[m.settings.renderer];for(var q=0,p=o.length;q<p;q++){if(o[q]===r){o.splice(q,1);break}}o.unshift(r)}],["Reprocess",c])}};a.Font=function(){var o=b["HTML-CSS"];if(!o){return}document.location.reload()};c.Browser.Select({MSIE:function(o){var p=(document.compatMode==="BackCompat");var q=o.versionAtLeast("8.0")&&document.documentMode>7;a.Augment({margin:20,msieBackgroundBug:(p||!q),msieAboutBug:p});if(document.documentMode>=9){delete m.styles["#MathJax_About"].filter;delete m.styles[".MathJax_Menu"].filter}},Firefox:function(o){a.skipMouseover=o.isMobile&&o.versionAtLeast("6.0");a.skipMousedown=o.isMobile}});a.isMobile=c.Browser.isMobile;a.noContextMenu=c.Browser.noContextMenu;c.Register.StartupHook("End Config",function(){m.settings=c.config.menuSettings;if(typeof(m.settings.showRenderer)!=="undefined"){m.showRenderer=m.settings.showRenderer}if(typeof(m.settings.showFontMenu)!=="undefined"){m.showFontMenu=m.settings.showFontMenu}if(typeof(m.settings.showContext)!=="undefined"){m.showContext=m.settings.showContext}a.getCookie();a.menu=a(k.SUBMENU("Show Math As",k.COMMAND("MathML Code",a.ShowSource,{nativeTouch:true,format:"MathML"}),k.COMMAND("Original Form",a.ShowSource,{nativeTouch:true})),k.RULE(),k.SUBMENU("Math Settings",k.SUBMENU("Zoom Trigger",k.RADIO("Hover","zoom",{action:a.Zoom}),k.RADIO("Click","zoom",{action:a.Zoom}),k.RADIO("Double-Click","zoom",{action:a.Zoom}),k.RADIO("No Zoom","zoom",{value:"None"}),k.RULE(),k.LABEL("Trigger Requires:"),k.CHECKBOX((c.Browser.isMac?"Option":"Alt"),"ALT"),k.CHECKBOX("Command","CMD",{hidden:!c.Browser.isMac}),k.CHECKBOX("Control","CTRL",{hidden:c.Browser.isMac}),k.CHECKBOX("Shift","Shift")),k.SUBMENU("Zoom Factor",k.RADIO("125%","zscale"),k.RADIO("133%","zscale"),k.RADIO("150%","zscale"),k.RADIO("175%","zscale"),k.RADIO("200%","zscale"),k.RADIO("250%","zscale"),k.RADIO("300%","zscale"),k.RADIO("400%","zscale")),k.RULE(),k.SUBMENU("Math Renderer",{hidden:!m.showRenderer},k.RADIO("HTML-CSS","renderer",{action:a.Renderer}),k.RADIO("MathML","renderer",{action:a.Renderer,value:"NativeMML"})),k.SUBMENU("Font Preference",{hidden:!m.showFontMenu},k.LABEL("For HTML-CSS:"),k.RADIO("Auto","font",{action:a.Font}),k.RULE(),k.RADIO("TeX (local)","font",{action:a.Font}),k.RADIO("TeX (web)","font",{action:a.Font}),k.RADIO("TeX (image)","font",{action:a.Font}),k.RULE(),k.RADIO("STIX (local)","font",{action:a.Font})),k.SUBMENU("Contextual Menu",{hidden:!m.showContext},k.RADIO("MathJax","context"),k.RADIO("Browser","context")),k.COMMAND("Scale All Math ...",a.Scale),k.RULE(),k.CHECKBOX("Highlight on Hover","discoverable")),k.RULE(),k.COMMAND("About MathJax",a.About),k.COMMAND("MathJax Help",a.Help))});a.showRenderer=function(o){a.cookie.showRenderer=m.showRenderer=o;a.saveCookie();a.menu.Find("Math Settings","Math Renderer").hidden=!o};a.showFontMenu=function(o){a.cookie.showFontMenu=m.showFontMenu=o;a.saveCookie();a.menu.Find("Math Settings","Font Preference").hidden=!o};a.showContext=function(o){a.cookie.showContext=m.showContext=o;a.saveCookie();a.menu.Find("Math Settings","Contextual Menu").hidden=!o};if(a.isMobile){(function(){var p=m.settings;var o=a.menu.Find("Math Settings","Zoom Trigger").menu;o.items[0].disabled=o.items[1].disabled=true;if(p.zoom==="Hover"||p.zoom=="Click"){p.zoom="None"}o.items=o.items.slice(0,4);if(navigator.appVersion.match(/[ (]Android[) ]/)){a.ITEM.SUBMENU.Augment({marker:"\u00BB"})}})()}e.Queue(c.Register.StartupHook("End Config",{}),["getImages",a],["Styles",i,m.styles],["Post",c.Startup.signal,"MathMenu Ready"],["loadComplete",i,"[MathJax]/extensions/MathMenu.js"])})(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.CallBack,MathJax.OutputJax);
 
diff --git a/extensions/MathZoom.js b/extensions/MathZoom.js
index c4f9eed3b..6d53dfe12 100644
--- a/extensions/MathZoom.js
+++ b/extensions/MathZoom.js
@@ -12,5 +12,5 @@
  *      http://www.apache.org/licenses/LICENSE-2.0
  */
 
-(function(a,d,f,c,j){var k="1.1.3";var i=a.CombineConfig("MathZoom",{styles:{"#MathJax_Zoom":{position:"absolute","background-color":"#F0F0F0",overflow:"auto",display:"block","z-index":301,padding:".5em",border:"1px solid black",margin:0,"font-family":"serif","font-size":"85%","font-weight":"normal","font-style":"normal","text-align":"left","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","box-shadow":"5px 5px 15px #AAAAAA","-webkit-box-shadow":"5px 5px 15px #AAAAAA","-moz-box-shadow":"5px 5px 15px #AAAAAA","-khtml-box-shadow":"5px 5px 15px #AAAAAA",filter:"dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},"#MathJax_ZoomOverlay":{position:"absolute",left:0,top:0,"z-index":300,display:"inline-block",width:"100%",height:"100%",border:0,padding:0,margin:0,"background-color":"white",opacity:0,filter:"alpha(opacity=0)"}}});var e,b,g;MathJax.Hub.Register.StartupHook("MathEvents Ready",function(){g=MathJax.Extension.MathEvents.Event;e=MathJax.Extension.MathEvents.Event.False;b=MathJax.Extension.MathEvents.Hover});var h=MathJax.Extension.MathZoom={version:k,settings:a.config.menuSettings,HandleEvent:function(n,l,m){if(h.settings.CTRL&&!n.ctrlKey){return true}if(h.settings.ALT&&!n.altKey){return true}if(h.settings.CMD&&!n.metaKey){return true}if(h.settings.Shift&&!n.shiftKey){return true}if(!h[l]){return true}return h[l](n,m)},Click:function(m,l){if(this.settings.zoom==="Click"){return this.Zoom(m,l)}},DblClick:function(m,l){if(this.settings.zoom==="Double-Click"){return this.Zoom(m,l)}},Hover:function(m,l){if(this.settings.zoom==="Hover"){this.Zoom(m,l);return true}return false},Zoom:function(n,t){this.Remove();b.ClearHoverTimer();g.ClearSelection();var q=MathJax.OutputJax[t.jaxID];var o=q.getJaxFromMath(t),s=o.root;if(o.hover){b.UnHover(o)}var l=Math.floor(0.85*document.body.clientWidth),r=Math.floor(0.85*document.body.clientHeight);var m=d.Element("span",{style:{position:"relative",display:"inline-block",height:0,width:0},id:"MathJax_ZoomFrame"},[["span",{id:"MathJax_ZoomOverlay",onmousedown:this.Remove}],["span",{id:"MathJax_Zoom",onclick:this.Remove,style:{visibility:"hidden",fontSize:this.settings.zscale,"max-width":l+"px","max-height":r+"px"}},[["span",{style:{display:"inline-block","white-space":"nowrap"}}]]]]);var x=m.lastChild,v=x.firstChild,p=m.firstChild;t.parentNode.insertBefore(m,t);if(v.addEventListener){v.addEventListener("mousedown",this.Remove,true)}if(this.msieZIndexBug){var u=d.addElement(document.body,"img",{src:"about:blank",id:"MathJax_ZoomTracker",width:0,height:0,style:{width:0,height:0,position:"relative"}});m.style.position="relative";m.style.zIndex=i.styles["#MathJax_ZoomOverlay"]["z-index"];m=u}var w=q.Zoom(s,v,t,l,r);if(this.msiePositionBug){if(this.msieSizeBug){x.style.height=w.zH+"px";x.style.width=w.zW+"px"}if(x.offsetHeight>r){x.style.height=r+"px";v.style.marginRight="16px"}if(x.offsetWidth>l){x.style.width=l+"px";v.style.marginBottom="16px"}}if(this.operaPositionBug){x.style.width=Math.min(l,w.zW)+"px"}if(x.offsetWidth<l&&x.offsetHeight<r){x.style.overflow="visible"}this.Position(x,w);x.style.visibility="";if(this.settings.zoom==="Hover"){p.onmouseover=this.Remove}if(window.addEventListener){addEventListener("resize",this.Resize,false)}else{if(window.attachEvent){attachEvent("onresize",this.Resize)}else{this.onresize=window.onresize;window.onresize=this.Resize}}return e(n)},Position:function(p,r){var q=this.Resize(),m=q.x,s=q.y,l=r.mW;var o=-Math.floor((p.offsetWidth-l)/2),n=r.Y;p.style.left=Math.max(o,10-m)+"px";p.style.top=Math.max(n,10-s)+"px"},Resize:function(n){if(h.onresize){h.onresize(n)}var l=0,q=0,p=document.getElementById("MathJax_ZoomFrame"),o=p,m=document.getElementById("MathJax_ZoomOverlay");if(h.operaPositionBug){p.style.border="1px solid"}if(o.offsetParent){do{l+=o.offsetLeft;q+=o.offsetTop}while(o=o.offsetParent)}if(h.operaPositionBug){p.style.border=""}m.style.left=(-l)+"px";m.style.top=(-q)+"px";if(h.msiePositionBug){setTimeout(h.SetWH,0)}else{h.SetWH()}return{x:l,y:q}},SetWH:function(){var l=document.getElementById("MathJax_ZoomOverlay");l.style.width=l.style.height="1px";l.style.width=document.body.scrollWidth+"px";l.style.height=document.body.scrollHeight+"px"},Remove:function(m){var n=document.getElementById("MathJax_ZoomFrame");if(n){n.parentNode.removeChild(n);n=document.getElementById("MathJax_ZoomTracker");if(n){n.parentNode.removeChild(n)}if(h.operaRefreshBug){var l=d.addElement(document.body,"div",{style:{position:"fixed",left:0,top:0,width:"100%",height:"100%",backgroundColor:"white",opacity:0},id:"MathJax_OperaDiv"});document.body.removeChild(l)}if(window.removeEventListener){removeEventListener("resize",h.Resize,false)}else{if(window.detachEvent){detachEvent("onresize",h.Resize)}else{window.onresize=h.onresize;delete h.onresize}}}return e(m)}};a.Browser.Select({MSIE:function(l){var n=(document.documentMode||0);var m=(n>=9);h.msiePositionBug=!m;h.msieSizeBug=l.versionAtLeast("7.0")&&(!document.documentMode||n===7||n===8);h.msieZIndexBug=(n<=7);h.msieInlineBlockAlignBug=(n<=7);if(m){delete i.styles["#MathJax_Zoom"].filter}},Opera:function(l){h.operaPositionBug=true;h.operaRefreshBug=true}});h.topImg=(h.msieInlineBlockAlignBug?d.Element("img",{style:{width:0,height:0,position:"relative"},src:"about:blank"}):d.Element("span",{style:{width:0,height:0,display:"inline-block"}}));if(h.operaPositionBug||h.msieTopBug){h.topImg.style.border="1px solid"}MathJax.Callback.Queue(["StartupHook",MathJax.Hub.Register,"Begin Styles",{}],["Styles",f,i.styles],["Post",a.Startup.signal,"MathZoom Ready"],["loadComplete",f,"[MathJax]/extensions/MathZoom.js"])})(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.OutputJax["HTML-CSS"],MathJax.OutputJax.NativeMML);
+(function(a,d,f,c,j){var k="1.1.3";var i=a.CombineConfig("MathZoom",{styles:{"#MathJax_Zoom":{position:"absolute","background-color":"#F0F0F0",overflow:"auto",display:"block","z-index":301,padding:".5em",border:"1px solid black",margin:0,"font-family":"serif","font-size":"85%","font-weight":"normal","font-style":"normal","text-align":"left","text-indent":0,"text-transform":"none","line-height":"normal","letter-spacing":"normal","word-spacing":"normal","word-wrap":"normal","white-space":"nowrap","float":"none","box-shadow":"5px 5px 15px #AAAAAA","-webkit-box-shadow":"5px 5px 15px #AAAAAA","-moz-box-shadow":"5px 5px 15px #AAAAAA","-khtml-box-shadow":"5px 5px 15px #AAAAAA",filter:"progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')"},"#MathJax_ZoomOverlay":{position:"absolute",left:0,top:0,"z-index":300,display:"inline-block",width:"100%",height:"100%",border:0,padding:0,margin:0,"background-color":"white",opacity:0,filter:"alpha(opacity=0)"},"#MathJax_ZoomEventTrap":{position:"absolute",left:0,top:0,"z-index":302,display:"inline-block",border:0,padding:0,margin:0,"background-color":"white",opacity:0,filter:"alpha(opacity=0)"}}});var e,b,g;MathJax.Hub.Register.StartupHook("MathEvents Ready",function(){g=MathJax.Extension.MathEvents.Event;e=MathJax.Extension.MathEvents.Event.False;b=MathJax.Extension.MathEvents.Hover});var h=MathJax.Extension.MathZoom={version:k,settings:a.config.menuSettings,scrollSize:18,HandleEvent:function(n,l,m){if(h.settings.CTRL&&!n.ctrlKey){return true}if(h.settings.ALT&&!n.altKey){return true}if(h.settings.CMD&&!n.metaKey){return true}if(h.settings.Shift&&!n.shiftKey){return true}if(!h[l]){return true}return h[l](n,m)},Click:function(m,l){if(this.settings.zoom==="Click"){return this.Zoom(m,l)}},DblClick:function(m,l){if(this.settings.zoom==="Double-Click"){return this.Zoom(m,l)}},Hover:function(m,l){if(this.settings.zoom==="Hover"){this.Zoom(m,l);return true}return false},Zoom:function(n,t){this.Remove();b.ClearHoverTimer();g.ClearSelection();var q=MathJax.OutputJax[t.jaxID];var o=q.getJaxFromMath(t),s=o.root;if(o.hover){b.UnHover(o)}var l=Math.floor(0.85*document.body.clientWidth),r=Math.floor(0.85*document.body.clientHeight);var m=d.Element("span",{style:{position:"relative",display:"inline-block",height:0,width:0},id:"MathJax_ZoomFrame"},[["span",{id:"MathJax_ZoomOverlay",onmousedown:this.Remove}],["span",{id:"MathJax_Zoom",onclick:this.Remove,style:{visibility:"hidden",fontSize:this.settings.zscale,"max-width":l+"px","max-height":r+"px"}},[["span",{style:{display:"inline-block","white-space":"nowrap"}}]]]]);var y=m.lastChild,v=y.firstChild,p=m.firstChild;t.parentNode.insertBefore(m,t);if(v.addEventListener){v.addEventListener("mousedown",this.Remove,true)}if(this.msieTrapEventBug){var x=d.Element("span",{id:"MathJax_ZoomEventTrap",onmousedown:this.Remove});m.insertBefore(x,y)}if(this.msieZIndexBug){var u=d.addElement(document.body,"img",{src:"about:blank",id:"MathJax_ZoomTracker",width:0,height:0,style:{width:0,height:0,position:"relative"}});m.style.position="relative";m.style.zIndex=i.styles["#MathJax_ZoomOverlay"]["z-index"];m=u}var w=q.Zoom(s,v,t,l,r);if(this.msiePositionBug){if(this.msieSizeBug){y.style.height=w.zH+"px";y.style.width=w.zW+"px"}if(y.offsetHeight>r){y.style.height=r+"px";y.style.width=(w.zW+this.scrollSize)+"px"}if(y.offsetWidth>l){y.style.width=l+"px";y.style.height=(w.zH+this.scrollSize)+"px"}}if(this.operaPositionBug){y.style.width=Math.min(l,w.zW)+"px"}if(y.offsetWidth<l&&y.offsetHeight<r){y.style.overflow="visible"}this.Position(y,w);if(this.msieTrapEventBug){x.style.height=y.clientHeight+"px";x.style.width=y.clientWidth+"px";x.style.left=(parseFloat(y.style.left)+y.clientLeft)+"px";x.style.top=(parseFloat(y.style.top)+y.clientTop)+"px"}y.style.visibility="";if(this.settings.zoom==="Hover"){p.onmouseover=this.Remove}if(window.addEventListener){addEventListener("resize",this.Resize,false)}else{if(window.attachEvent){attachEvent("onresize",this.Resize)}else{this.onresize=window.onresize;window.onresize=this.Resize}}return e(n)},Position:function(p,r){var q=this.Resize(),m=q.x,s=q.y,l=r.mW;var o=-Math.floor((p.offsetWidth-l)/2),n=r.Y;p.style.left=Math.max(o,10-m)+"px";p.style.top=Math.max(n,10-s)+"px"},Resize:function(n){if(h.onresize){h.onresize(n)}var l=0,q=0,p=document.getElementById("MathJax_ZoomFrame"),o=p,m=document.getElementById("MathJax_ZoomOverlay");if(h.operaPositionBug){p.style.border="1px solid"}if(o.offsetParent){do{l+=o.offsetLeft;q+=o.offsetTop}while(o=o.offsetParent)}if(h.operaPositionBug){p.style.border=""}m.style.left=(-l)+"px";m.style.top=(-q)+"px";if(h.msiePositionBug){setTimeout(h.SetWH,0)}else{h.SetWH()}return{x:l,y:q}},SetWH:function(){var l=document.getElementById("MathJax_ZoomOverlay");l.style.width=l.style.height="1px";l.style.width=document.body.scrollWidth+"px";l.style.height=document.body.scrollHeight+"px"},Remove:function(m){var n=document.getElementById("MathJax_ZoomFrame");if(n){n.parentNode.removeChild(n);n=document.getElementById("MathJax_ZoomTracker");if(n){n.parentNode.removeChild(n)}if(h.operaRefreshBug){var l=d.addElement(document.body,"div",{style:{position:"fixed",left:0,top:0,width:"100%",height:"100%",backgroundColor:"white",opacity:0},id:"MathJax_OperaDiv"});document.body.removeChild(l)}if(window.removeEventListener){removeEventListener("resize",h.Resize,false)}else{if(window.detachEvent){detachEvent("onresize",h.Resize)}else{window.onresize=h.onresize;delete h.onresize}}}return e(m)}};a.Browser.Select({MSIE:function(l){var n=(document.documentMode||0);var m=(n>=9);h.msiePositionBug=!m;h.msieSizeBug=l.versionAtLeast("7.0")&&(!document.documentMode||n===7||n===8);h.msieZIndexBug=(n<=7);h.msieInlineBlockAlignBug=(n<=7);h.msieTrapEventBug=!window.addEventListener;if(document.compatMode==="BackCompat"){h.scrollSize=52}if(m){delete i.styles["#MathJax_Zoom"].filter}},Opera:function(l){h.operaPositionBug=true;h.operaRefreshBug=true}});h.topImg=(h.msieInlineBlockAlignBug?d.Element("img",{style:{width:0,height:0,position:"relative"},src:"about:blank"}):d.Element("span",{style:{width:0,height:0,display:"inline-block"}}));if(h.operaPositionBug||h.msieTopBug){h.topImg.style.border="1px solid"}MathJax.Callback.Queue(["StartupHook",MathJax.Hub.Register,"Begin Styles",{}],["Styles",f,i.styles],["Post",a.Startup.signal,"MathZoom Ready"],["loadComplete",f,"[MathJax]/extensions/MathZoom.js"])})(MathJax.Hub,MathJax.HTML,MathJax.Ajax,MathJax.OutputJax["HTML-CSS"],MathJax.OutputJax.NativeMML);
 
diff --git a/unpacked/extensions/MathZoom.js b/unpacked/extensions/MathZoom.js
index 9927a7fb6..749c6ed4c 100644
--- a/unpacked/extensions/MathZoom.js
+++ b/unpacked/extensions/MathZoom.js
@@ -41,7 +41,7 @@
         "-webkit-box-shadow":"5px 5px 15px #AAAAAA", // Safari 3 and Chrome
         "-moz-box-shadow":"5px 5px 15px #AAAAAA",    // Forefox 3.5
         "-khtml-box-shadow":"5px 5px 15px #AAAAAA",  // Konqueror
-        filter: "dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')" // IE
+        filter: "progid:DXImageTransform.Microsoft.dropshadow(OffX=2, OffY=2, Color='gray', Positive='true')" // IE
       },
       
       //
@@ -51,6 +51,12 @@
         position:"absolute", left:0, top:0, "z-index":300, display:"inline-block",
         width:"100%", height:"100%", border:0, padding:0, margin:0,
         "background-color":"white", opacity:0, filter:"alpha(opacity=0)"
+      },
+      
+      "#MathJax_ZoomEventTrap": {
+        position:"absolute", left:0, top:0, "z-index":302,
+        display:"inline-block", border:0, padding:0, margin:0,
+        "background-color":"white", opacity:0, filter:"alpha(opacity=0)"
       }
     }
   });
@@ -67,6 +73,7 @@
   var ZOOM = MathJax.Extension.MathZoom = {
     version: VERSION,
     settings: HUB.config.menuSettings,
+    scrollSize: 18,    // width of scrool bars
 
     //
     //  Process events passed from output jax
@@ -136,21 +143,26 @@
               visibility:"hidden", fontSize:this.settings.zscale,
               "max-width":Mw+"px", "max-height":Mh+"px"
             }
-          },[["span",{style:{display:"inline-block", "white-space":"nowrap"}}]]]
-        ]
+          },[["span",{style:{display:"inline-block", "white-space":"nowrap"}}]]
+        ]]
       );
       var zoom = div.lastChild, span = zoom.firstChild, overlay = div.firstChild;
       math.parentNode.insertBefore(div,math);
       if (span.addEventListener) {span.addEventListener("mousedown",this.Remove,true)}
+      
+      if (this.msieTrapEventBug) {
+        var trap = HTML.Element("span",{id:"MathJax_ZoomEventTrap", onmousedown:this.Remove});
+        div.insertBefore(trap,zoom);
+      }
 
       //
       //  Display the zoomed math
       //
       if (this.msieZIndexBug) {
         //  MSIE doesn't do z-index properly, so move the div to the document.body,
-        //  and use an empty span as a tracker for the usual position
+        //  and use an image as a tracker for the usual position
         var tracker = HTML.addElement(document.body,"img",{
-          src:"about:blank", id:"MathJax_ZoomTracker", width: 0, height: 0,
+          src:"about:blank", id:"MathJax_ZoomTracker", width:0, height:0,
           style:{width:0, height:0, position:"relative"}
         });
         div.style.position = "relative";
@@ -166,12 +178,17 @@
       if (this.msiePositionBug) {
         if (this.msieSizeBug) 
           {zoom.style.height = bbox.zH+"px"; zoom.style.width = bbox.zW+"px"} // IE8 gets the dimensions completely wrong
-        if (zoom.offsetHeight > Mh) {zoom.style.height = Mh+"px"; span.style.marginRight = "16px"}  // IE doesn't do max-height?
-        if (zoom.offsetWidth  > Mw) {zoom.style.width  = Mw+"px"; span.style.marginBottom = "16px"}
+        if (zoom.offsetHeight > Mh) {zoom.style.height = Mh+"px"; zoom.style.width = (bbox.zW+this.scrollSize)+"px"}  // IE doesn't do max-height?
+        if (zoom.offsetWidth  > Mw) {zoom.style.width  = Mw+"px"; zoom.style.height = (bbox.zH+this.scrollSize)+"px"}
       }
       if (this.operaPositionBug) {zoom.style.width = Math.min(Mw,bbox.zW)+"px"}  // Opera gets width as 0?
       if (zoom.offsetWidth < Mw && zoom.offsetHeight < Mh) {zoom.style.overflow = "visible"}
       this.Position(zoom,bbox);
+      if (this.msieTrapEventBug) {
+        trap.style.height = zoom.clientHeight+"px"; trap.style.width = zoom.clientWidth+"px";
+        trap.style.left = (parseFloat(zoom.style.left)+zoom.clientLeft)+"px";
+        trap.style.top = (parseFloat(zoom.style.top)+zoom.clientTop)+"px";
+      }
       zoom.style.visibility = "";
 
       //
@@ -261,6 +278,8 @@
         (!document.documentMode || mode === 7 || mode === 8);
       ZOOM.msieZIndexBug = (mode <= 7);
       ZOOM.msieInlineBlockAlignBug = (mode <= 7);
+      ZOOM.msieTrapEventBug = !window.addEventListener;
+      if (document.compatMode === "BackCompat") {ZOOM.scrollSize = 52} // don't know why this is so far off
       if (isIE9) {delete CONFIG.styles["#MathJax_Zoom"].filter}
     },