diff --git a/chrome/content/zotero/note.js b/chrome/content/zotero/note.js
index c4cb38ecc..0de594413 100644
--- a/chrome/content/zotero/note.js
+++ b/chrome/content/zotero/note.js
@@ -34,17 +34,12 @@ function onLoad() {
 	// Set font size from pref
 	Zotero.setFontSize(noteEditor);
 	
-	var params = [];
-	var b = document.location.href.substr(document.location.href.indexOf('?')+1).split('&');
-	for(var i = 0; i < b.length; i++)
-	{
-		var mid = b[i].indexOf('=');
-		
-		params[b[i].substr(0,mid)] = b[i].substr(mid+1);
+	if (window.arguments) {
+		var io = window.arguments[0];
 	}
-	var itemID = params.id;
-	var collectionID = params.coll;
-	var parentItemID = params.p;
+	var itemID = io.itemID;
+	var collectionID = io.collectionID;
+	var parentItemID = io.parentItemID;
 	
 	if (itemID) {
 		var ref = Zotero.Items.get(itemID);
diff --git a/chrome/content/zotero/note.xul b/chrome/content/zotero/note.xul
index 2a83fd819..ec4ea7e4b 100644
--- a/chrome/content/zotero/note.xul
+++ b/chrome/content/zotero/note.xul
@@ -11,6 +11,7 @@
 	height="350"
 	title="&zotero.items.menu.attach.note;"
 	persist="screenX screenY width height"
+	windowtype="zotero:note"
     xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
 
 	<script src="include.js"/>
diff --git a/chrome/content/zotero/zoteroPane.js b/chrome/content/zotero/zoteroPane.js
index 51f6f5142..571ad7976 100644
--- a/chrome/content/zotero/zoteroPane.js
+++ b/chrome/content/zotero/zoteroPane.js
@@ -3012,7 +3012,7 @@ var ZoteroPane = new function()
 			
 			var wm = Components.classes["@mozilla.org/appshell/window-mediator;1"]
 					.getService(Components.interfaces.nsIWindowMediator);
-			var e = wm.getEnumerator('');
+			var e = wm.getEnumerator('zotero:note');
 			while (e.hasMoreElements()) {
 				var w = e.getNext();
 				if (w.name == name) {
@@ -3022,10 +3022,8 @@ var ZoteroPane = new function()
 			}
 		}
 		
-		window.open('chrome://zotero/content/note.xul?v=1'
-			+ (itemID ? '&id=' + itemID : '') + (col ? '&coll=' + col : '')
-			+ (parentItemID ? '&p=' + parentItemID : ''),
-			name, 'chrome,resizable,centerscreen');
+		var io = { itemID: itemID, collectionID: col, parentItemID: parentItemID };
+		window.openDialog('chrome://zotero/content/note.xul', name, 'chrome,resizable,centerscreen', io);
 	}