diff --git a/chrome/content/zotero/about.xul b/chrome/content/zotero/about.xul
index adca886dda..1d9b2e574c 100644
--- a/chrome/content/zotero/about.xul
+++ b/chrome/content/zotero/about.xul
@@ -13,7 +13,7 @@
 	onload="moveToAlertPosition(); sizeToContent();"
 	ondialogaccept="return true;">
 	
-	<script src="include.js"/>
+	<script src="include.js" type="application/javascript;version=1.8"/>
 	
 	<vbox id="aboutcontent">
 		<label id="name" value="Zotero"/>
@@ -21,7 +21,7 @@
 			<label class="zotero-text-link" href="http://zotero.org" value="http://zotero.org"/>
 		</hbox>
 		<label id="version" value="&zotero.version; "/>
-		<script>
+		<script type="application/javascript;version=1.8">
 			document.getElementById('version').value += Zotero.version;
 		</script>
 		<hbox>
diff --git a/chrome/content/zotero/advancedSearch.xul b/chrome/content/zotero/advancedSearch.xul
index fe75757163..40bc238bd6 100644
--- a/chrome/content/zotero/advancedSearch.xul
+++ b/chrome/content/zotero/advancedSearch.xul
@@ -20,8 +20,8 @@
 	xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
 	windowtype="zotero:search">
 	
-	<script src="include.js"/>
-	<script src="advancedSearch.js"/>
+	<script src="include.js" type="application/javascript;version=1.8"/>
+	<script src="advancedSearch.js" type="application/javascript;version=1.8"/>
 	
 	<vbox id="zotero-search-box-container" flex="1">
 	
diff --git a/chrome/content/zotero/bibliography.xul b/chrome/content/zotero/bibliography.xul
index 32a91c2e50..d62a2dd3c8 100644
--- a/chrome/content/zotero/bibliography.xul
+++ b/chrome/content/zotero/bibliography.xul
@@ -8,8 +8,8 @@
 	id="zotero-bibliography"
 	onload="Zotero_File_Interface_Bibliography.init()">
 
-	<script src="include.js"/>
-	<script src="bibliography.js"/>
+	<script src="include.js" type="application/javascript;version=1.8"/>
+	<script src="bibliography.js" type="application/javascript;version=1.8"/>
 	
 	<vbox id="zotero-bibliography-container">
 		<groupbox>
diff --git a/chrome/content/zotero/downloadOverlay.xul b/chrome/content/zotero/downloadOverlay.xul
index 2ad880493d..3c977ca85d 100644
--- a/chrome/content/zotero/downloadOverlay.xul
+++ b/chrome/content/zotero/downloadOverlay.xul
@@ -35,8 +35,8 @@
 <overlay id="zotero-download-overlay" 
 	xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
 	
-	<script type="application/x-javascript" src="include.js"/>
-	<script type="application/x-javascript" src="downloadOverlay.js"/>
+	<script src="include.js" type="application/javascript;version=1.8"/>
+	<script src="downloadOverlay.js" type="application/javascript;version=1.8"/>
 	<radiogroup id="mode">
 		<vbox id="zotero-container" flex="1" hidden="true">
 			<radio id="zotero-radio" label="&zotero.downloadManager.label;" disabled="true"/>
diff --git a/chrome/content/zotero/errorReport.xul b/chrome/content/zotero/errorReport.xul
index ea4f6f0b48..795acb7882 100644
--- a/chrome/content/zotero/errorReport.xul
+++ b/chrome/content/zotero/errorReport.xul
@@ -9,7 +9,7 @@
 <wizard xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
 	id="zotero-error-report" title="Zotero Error Report">
 	
-	<script>
+	<script type="application/javascript;version=1.8">
 	<![CDATA[
 		var Zotero_Error_Report = new function() {
 			this.init = init;
diff --git a/chrome/content/zotero/exportOptions.xul b/chrome/content/zotero/exportOptions.xul
index a54dbdea8d..ca0452b189 100644
--- a/chrome/content/zotero/exportOptions.xul
+++ b/chrome/content/zotero/exportOptions.xul
@@ -14,10 +14,10 @@
 	id="zotero-export-options"
 	onload="Zotero_File_Interface_Export.init()">
 	
-	<script src="include.js"/>
-	<script src="charsetMenu.js"/>
-	<script src="exportOptions.js"/>
-	<script type="application/javascript">
+	<script src="include.js" type="application/javascript;version=1.8"/>
+	<script src="charsetMenu.js" type="application/javascript;version=1.8"/>
+	<script src="exportOptions.js" type="application/javascript;version=1.8"/>
+	<script type="application/javascript;version=1.8">
 	<![CDATA[
 		var observerService = Components.classes["@mozilla.org/observer-service;1"].getService(Components.interfaces.nsIObserverService);
 		observerService.notifyObservers(null, "charsetmenu-selected", "other");
diff --git a/chrome/content/zotero/ingester/selectitems.xul b/chrome/content/zotero/ingester/selectitems.xul
index e22941edc2..7e1e4b8185 100755
--- a/chrome/content/zotero/ingester/selectitems.xul
+++ b/chrome/content/zotero/ingester/selectitems.xul
@@ -35,8 +35,8 @@
 	id="zotero-selectitems"
 	onload="Zotero_Ingester_Interface_SelectItems.init()">
 	
-	<script src="../include.js"/>
-	<script src="selectitems.js"/>
+	<script src="../include.js" type="application/javascript;version=1.8"/>
+	<script src="selectitems.js" type="application/javascript;version=1.8"/>
 	
 	<vbox id="zotero-select-items-container" flex="1">
 		<caption label="&zotero.selectitems.intro.label;" id="zotero-selectitems-intro"/>
diff --git a/chrome/content/zotero/integration/addCitationDialog.xul b/chrome/content/zotero/integration/addCitationDialog.xul
index 6300f0faba..4aac557848 100644
--- a/chrome/content/zotero/integration/addCitationDialog.xul
+++ b/chrome/content/zotero/integration/addCitationDialog.xul
@@ -49,9 +49,9 @@
 	ondialogextra2="Zotero_Citation_Dialog.toggleEditor()"
 	ondialogextra1="Zotero_Citation_Dialog.toggleMultipleSources()">
 	
-	<script src="../include.js"/>
-	<script src="../selectItemsDialog.js"/>
-	<script src="addCitationDialog.js"/>
+	<script src="../include.js" type="application/javascript;version=1.8"/>
+	<script src="../selectItemsDialog.js" type="application/javascript;version=1.8"/>
+	<script src="addCitationDialog.js" type="application/javascript;version=1.8"/>
 	
 	<vbox id="zotero-select-items-container" flex="1">
 		<vbox flex="1">
diff --git a/chrome/content/zotero/integration/editBibliographyDialog.xul b/chrome/content/zotero/integration/editBibliographyDialog.xul
index faee0822f6..99ab237a98 100644
--- a/chrome/content/zotero/integration/editBibliographyDialog.xul
+++ b/chrome/content/zotero/integration/editBibliographyDialog.xul
@@ -48,9 +48,9 @@
 	ondialogextra1="Zotero_Bibliography_Dialog.revert()"
 	ondialogextra2="Zotero_Bibliography_Dialog.revertAll()">
 	
-	<script src="../include.js"/>
-	<script src="../selectItemsDialog.js"/>
-	<script src="editBibliographyDialog.js"/>
+	<script src="../include.js" type="application/javascript;version=1.8"/>
+	<script src="../selectItemsDialog.js" type="application/javascript;version=1.8"/>
+	<script src="editBibliographyDialog.js" type="application/javascript;version=1.8"/>
 	
 	<vbox id="zotero-select-items-container" flex="1">
 		<vbox flex="1">
diff --git a/chrome/content/zotero/integration/integrationDocPrefs.xul b/chrome/content/zotero/integration/integrationDocPrefs.xul
index 0a04dbc3ea..fc107e8fbd 100644
--- a/chrome/content/zotero/integration/integrationDocPrefs.xul
+++ b/chrome/content/zotero/integration/integrationDocPrefs.xul
@@ -40,8 +40,8 @@
 	persist="screenX screenY"
 	style="width: 600px">
 	
-	<script src="../include.js"/>
-	<script src="../bibliography.js"/>
+	<script src="../include.js" type="application/javascript;version=1.8"/>
+	<script src="../bibliography.js" type="application/javascript;version=1.8"/>
 	<vbox id="zotero-bibliography-container">
 		<groupbox>
 			<caption label="&zotero.bibliography.style.label;"/>
diff --git a/chrome/content/zotero/integration/quickFormat.xul b/chrome/content/zotero/integration/quickFormat.xul
index e9935e6b47..41165cfddf 100644
--- a/chrome/content/zotero/integration/quickFormat.xul
+++ b/chrome/content/zotero/integration/quickFormat.xul
@@ -41,7 +41,7 @@
 	onkeypress="Zotero_QuickFormat.onKeyPress(event)"
 	onunload="Zotero_QuickFormat.onUnload()">
 	
-	<script src="../include.js"/>
+	<script src="../include.js" type="application/javascript;version=1.8"/>
 	<script src="windowDraggingUtils.js" type="text/javascript;version=1.8"/>
 	<script src="quickFormat.js" type="text/javascript;version=1.8"/>
 	
diff --git a/chrome/content/zotero/itemPane.xul b/chrome/content/zotero/itemPane.xul
index b36d50ba0d..11f5262f4f 100644
--- a/chrome/content/zotero/itemPane.xul
+++ b/chrome/content/zotero/itemPane.xul
@@ -29,7 +29,7 @@
 <!DOCTYPE window SYSTEM "chrome://zotero/locale/zotero.dtd">
 
 <overlay xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
-	<script src="include.js"/>
+	<script src="include.js" type="application/javascript;version=1.8"/>
 	<script src="itemPane.js" type="application/javascript;version=1.8"/>
 	
 	<vbox id="zotero-item-pane" zotero-persist="width">
diff --git a/chrome/content/zotero/locateManager.xul b/chrome/content/zotero/locateManager.xul
index fa4e35b179..a707171078 100644
--- a/chrome/content/zotero/locateManager.xul
+++ b/chrome/content/zotero/locateManager.xul
@@ -95,8 +95,8 @@ To add a new preference:
 		</groupbox>
 	</prefpane>
 	
-	<script src="chrome://zotero/content/include.js"></script>
-	<script type="application/javascript">
+	<script src="chrome://zotero/content/include.js" type="application/javascript;version=1.8"></script>
+	<script type="application/javascript;version=1.8">
 	<![CDATA[
 		function treeClick(event) {
 			// We only care about primary button double and triple clicks
diff --git a/chrome/content/zotero/longTagFixer.xul b/chrome/content/zotero/longTagFixer.xul
index 408dfc8a2e..4449103d85 100644
--- a/chrome/content/zotero/longTagFixer.xul
+++ b/chrome/content/zotero/longTagFixer.xul
@@ -10,8 +10,8 @@
 		ondialogaccept="Zotero_Long_Tag_Fixer.save()"
 		title="&zotero.sync.error;">
 	
-	<script src="include.js"/>
-	<script src="longTagFixer.js"/>
+	<script src="include.js" type="application/javascript;version=1.8"/>
+	<script src="longTagFixer.js" type="application/javascript;version=1.8"/>
 	
 	<label value="&zotero.sync.longTagFixer.followingTagTooLong;"/>
 	<groupbox>
diff --git a/chrome/content/zotero/merge.xul b/chrome/content/zotero/merge.xul
index 8af554908e..aaf5407038 100644
--- a/chrome/content/zotero/merge.xul
+++ b/chrome/content/zotero/merge.xul
@@ -38,8 +38,8 @@
 	onwizardcancel="return Zotero_Merge_Window.onCancel()"
 	xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
 	
-	<script src="include.js"/>
-	<script src="merge.js"/>
+	<script src="include.js" type="application/javascript;version=1.8"/>
+	<script src="merge.js" type="application/javascript;version=1.8"/>
 	
 	<wizardpage onpageshow="Zotero_Merge_Window.init()"
 			onpagerewound="Zotero_Merge_Window.onBack(); return false"
diff --git a/chrome/content/zotero/note.xul b/chrome/content/zotero/note.xul
index 2a83fd8198..feb4bfa29e 100644
--- a/chrome/content/zotero/note.xul
+++ b/chrome/content/zotero/note.xul
@@ -13,9 +13,9 @@
 	persist="screenX screenY width height"
     xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
 
-	<script src="include.js"/>
-	<script src="itemPane.js"/>
-	<script src="note.js"/>
+	<script src="include.js" type="application/javascript;version=1.8"/>
+	<script src="itemPane.js" type="application/javascript;version=1.8"/>
+	<script src="note.js" type="application/javascript;version=1.8"/>
 
 	<keyset>
 		<key id="key_close" key="W" modifiers="accel" command="cmd_close"/>
diff --git a/chrome/content/zotero/overlay.xul b/chrome/content/zotero/overlay.xul
index 61091ca1e3..d948ce8a21 100644
--- a/chrome/content/zotero/overlay.xul
+++ b/chrome/content/zotero/overlay.xul
@@ -39,7 +39,7 @@
 	xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
 	
     <!-- Include the global XPCOM object -->
-	<script src="overlay.js"/>
+	<script src="overlay.js" type="application/javascript;version=1.8"/>
 	
 	<popup id="contentAreaContextMenu"/>
 	
diff --git a/chrome/content/zotero/preferences/preferences.xul b/chrome/content/zotero/preferences/preferences.xul
index 3c2a7a124c..951e42d417 100644
--- a/chrome/content/zotero/preferences/preferences.xul
+++ b/chrome/content/zotero/preferences/preferences.xul
@@ -832,13 +832,13 @@ To add a new preference:
 	
 	<!-- These mess up the prefwindow (more) if they come before the prefpanes
 	 https://bugzilla.mozilla.org/show_bug.cgi?id=296418 -->
-	<script src="chrome://zotero/content/include.js"></script>
-	<script src="chrome://zotero/content/charsetMenu.js"></script>
-	<script type="application/javascript">
+	<script src="chrome://zotero/content/include.js" type="application/javascript;version=1.8"></script>
+	<script src="chrome://zotero/content/charsetMenu.js" type="application/javascript;version=1.8"></script>
+	<script type="application/javascript;version=1.8">
 	<![CDATA[
 		var observerService = Components.classes["@mozilla.org/observer-service;1"].getService(Components.interfaces.nsIObserverService);
 		observerService.notifyObservers(null, "charsetmenu-selected", "other");
 	]]>
 	</script>
-	<script src="preferences.js"/>
+	<script src="preferences.js" type="application/javascript;version=1.8"/>
 </prefwindow>
diff --git a/chrome/content/zotero/preferences/proxyEditor.xul b/chrome/content/zotero/preferences/proxyEditor.xul
index b39ea4aebd..8d4f11756f 100644
--- a/chrome/content/zotero/preferences/proxyEditor.xul
+++ b/chrome/content/zotero/preferences/proxyEditor.xul
@@ -34,8 +34,8 @@
 	onload="Zotero_ProxyEditor.load();"
 	ondialogaccept="return Zotero_ProxyEditor.accept();">
 	
-	<script src="chrome://zotero/content/include.js"/>
-	<script src="proxyEditor.js"/>
+	<script src="chrome://zotero/content/include.js" type="application/javascript;version=1.8"/>
+	<script src="proxyEditor.js" type="application/javascript;version=1.8"/>
 
 	<checkbox id="zotero-proxies-multiSite" label="&zotero.preferences.proxies.multiSite;"
 		oncommand="Zotero_ProxyEditor.multiSiteChanged()"/>
diff --git a/chrome/content/zotero/preferences/quickCopySiteEditor.xul b/chrome/content/zotero/preferences/quickCopySiteEditor.xul
index cdead09728..9d0bb69958 100644
--- a/chrome/content/zotero/preferences/quickCopySiteEditor.xul
+++ b/chrome/content/zotero/preferences/quickCopySiteEditor.xul
@@ -34,10 +34,10 @@
 	onload="sizeToContent();"
 	ondialogaccept="Zotero_QuickCopySiteEditor.onAccept();">
 	
-	<script src="chrome://zotero/content/include.js"/>
-	<script src="preferences.js"/>
+	<script src="chrome://zotero/content/include.js" type="application/javascript;version=1.8"/>
+	<script src="preferences.js" type="application/javascript;version=1.8"/>
 	
-	<script>
+	<script type="application/javascript;version=1.8">
 	<![CDATA[
 		var Zotero_QuickCopySiteEditor = new function () {
 			this.onAccept = onAccept;
diff --git a/chrome/content/zotero/proxy.xul b/chrome/content/zotero/proxy.xul
index ec9f86875b..ada9bbebd6 100644
--- a/chrome/content/zotero/proxy.xul
+++ b/chrome/content/zotero/proxy.xul
@@ -8,8 +8,8 @@
 	ondialogaccept="Zotero_Proxy_Dialog.accept()" ondialogcancel="Zotero_Proxy_Dialog.cancel()"
 	onload="Zotero_Proxy_Dialog.init()">
 	
-	<script src="include.js"/>
-	<script src="proxy.js"/>
+	<script src="include.js" type="application/javascript;version=1.8"/>
+	<script src="proxy.js" type="application/javascript;version=1.8"/>
 	
 	<vbox flex="1" style="width:510px">
 		<hbox align="start">
diff --git a/chrome/content/zotero/rtfScan.xul b/chrome/content/zotero/rtfScan.xul
index c4a5b096f3..28c12eaf20 100644
--- a/chrome/content/zotero/rtfScan.xul
+++ b/chrome/content/zotero/rtfScan.xul
@@ -8,9 +8,9 @@
 	title="&zotero.rtfScan.title;" width="700" height="550"
 	id="zotero-rtfScan">
 	
-	<script src="include.js"/>
-	<script src="bibliography.js"/>
-	<script src="rtfScan.js"/>
+	<script src="include.js" type="application/javascript;version=1.8"/>
+	<script src="bibliography.js" type="application/javascript;version=1.8"/>
+	<script src="rtfScan.js" type="application/javascript;version=1.8"/>
 	
 	<wizardpage id="intro-page" label="&zotero.rtfScan.introPage.label;"
 	onpageshow="Zotero_RTFScan.introPageShowing()"
diff --git a/chrome/content/zotero/searchDialog.xul b/chrome/content/zotero/searchDialog.xul
index c5cd9cf80a..cf214040e2 100644
--- a/chrome/content/zotero/searchDialog.xul
+++ b/chrome/content/zotero/searchDialog.xul
@@ -16,8 +16,8 @@
 	xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
 	style="padding:2em">
 	
-	<script src="include.js"/>
-	<script src="searchDialog.js"/>
+	<script src="include.js" type="application/javascript;version=1.8"/>
+	<script src="searchDialog.js" type="application/javascript;version=1.8"/>
 	
 	<vbox id="zotero-search-box-container" flex="1">
 		<hbox align="center">
diff --git a/chrome/content/zotero/selectItemsDialog.xul b/chrome/content/zotero/selectItemsDialog.xul
index 9b39d3c744..2a5b5a1db0 100644
--- a/chrome/content/zotero/selectItemsDialog.xul
+++ b/chrome/content/zotero/selectItemsDialog.xul
@@ -43,8 +43,8 @@
 	style="padding:2em"
 	persist="screenX screenY width height">
 	
-	<script src="include.js"/>
-	<script src="selectItemsDialog.js"/>
+	<script src="include.js" type="application/javascript;version=1.8"/>
+	<script src="selectItemsDialog.js" type="application/javascript;version=1.8"/>
 	
 	<vbox id="zotero-select-items-container" flex="1">
 	
diff --git a/chrome/content/zotero/standalone/basicViewer.xul b/chrome/content/zotero/standalone/basicViewer.xul
index ec4fdafa5a..1388b7cc72 100644
--- a/chrome/content/zotero/standalone/basicViewer.xul
+++ b/chrome/content/zotero/standalone/basicViewer.xul
@@ -51,8 +51,8 @@
 	<script type="application/javascript" src="chrome://global/content/contentAreaUtils.js"/>
 	<script type="application/javascript" src="chrome://global/content/printUtils.js"/>
 	<script type="application/javascript" src="chrome://global/content/inlineSpellCheckUI.js"/>
-	<script type="application/javascript" src="chrome://zotero/content/include.js"/>
-	<script type="application/javascript" src="basicViewer.js"/>
+	<script type="application/javascript;version=1.8" src="chrome://zotero/content/include.js"/>
+	<script type="application/javascript;version=1.8" src="basicViewer.js"/>
 	
 	<commandset id="mainCommandSet">
 		<!--FILE-->
diff --git a/chrome/content/zotero/standalone/extensionsOverlay.xul b/chrome/content/zotero/standalone/extensionsOverlay.xul
index 24d3f1b93b..0180a1d50b 100644
--- a/chrome/content/zotero/standalone/extensionsOverlay.xul
+++ b/chrome/content/zotero/standalone/extensionsOverlay.xul
@@ -4,6 +4,6 @@
 	
 	<textbox id="header-search" hidden="true"/>
 	<page id="addons-page">
-		<script type="application/javascript" src="chrome://zotero/content/standalone/extensionsOverlay.js"/>
+		<script type="application/javascript;version=1.8" src="chrome://zotero/content/standalone/extensionsOverlay.js"/>
 	</page>
 </overlay>
diff --git a/chrome/content/zotero/standalone/standalone.xul b/chrome/content/zotero/standalone/standalone.xul
index fc8e161b1d..0dc513508c 100644
--- a/chrome/content/zotero/standalone/standalone.xul
+++ b/chrome/content/zotero/standalone/standalone.xul
@@ -48,7 +48,7 @@
 				title="&brandShortName;"
 				width="900" height="500"
 				persist="screenX screenY width height sizemode"> 
-	<script type="application/javascript" src="standalone.js"/>
+	<script type="application/javascript;version=1.8" src="standalone.js"/>
 	<script type="application/javascript" src="chrome://global/content/globalOverlay.js"/>
 	<script type="application/javascript" src="chrome://global/content/contentAreaUtils.js"/>
 	<script type="application/javascript" src="chrome://global/content/inlineSpellCheckUI.js"/>
diff --git a/chrome/content/zotero/tab.xul b/chrome/content/zotero/tab.xul
index de1b7b1e9b..a6382f3477 100644
--- a/chrome/content/zotero/tab.xul
+++ b/chrome/content/zotero/tab.xul
@@ -25,7 +25,7 @@
 		xmlns:xhtml="http://www.w3.org/1999/xhtml" disablefastfind="true"
 		flex="1"> 
 	
-	<script type="application/javascript" src="tab.js"/>
+	<script type="application/javascript;version=1.8" src="tab.js"/>
 	<script type="application/javascript"
 		src="chrome://global/content/contentAreaUtils.js"/>
 	<xhtml:link rel="shortcut icon"
diff --git a/chrome/content/zotero/test/modtime.xul b/chrome/content/zotero/test/modtime.xul
index b5d34fd97b..93ebe48f15 100644
--- a/chrome/content/zotero/test/modtime.xul
+++ b/chrome/content/zotero/test/modtime.xul
@@ -8,8 +8,8 @@
 	xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
 	style="padding:2em">
 	
-	<script src="../include.js"/>
-	<script src="modtime.js"/>
+	<script src="../include.js" type="application/javascript;version=1.8"/>
+	<script src="modtime.js" type="application/javascript;version=1.8"/>
 	
 	<box/>
 </window>
diff --git a/chrome/content/zotero/test/test.xul b/chrome/content/zotero/test/test.xul
index c06b8a25bd..3762a52762 100644
--- a/chrome/content/zotero/test/test.xul
+++ b/chrome/content/zotero/test/test.xul
@@ -10,8 +10,8 @@
 	xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
 	style="padding:2em">
 	
-	<script src="../include.js"/>
-	<script src="test.js"/>
+	<script src="../include.js" type="application/javascript;version=1.8"/>
+	<script src="test.js" type="application/javascript;version=1.8"/>
 	
 	<hbox><label>This is a test page.</label></hbox>
 </window>
diff --git a/chrome/content/zotero/tools/csledit.xul b/chrome/content/zotero/tools/csledit.xul
index 966c91d7a2..a082f50f1d 100644
--- a/chrome/content/zotero/tools/csledit.xul
+++ b/chrome/content/zotero/tools/csledit.xul
@@ -32,9 +32,9 @@
 	onload="Zotero_CSL_Editor.init();"
 	title="Zotero Reference Test pane">
 	
-	<script src="chrome://zotero/content/include.js"/>
+	<script src="chrome://zotero/content/include.js" type="application/javascript;version=1.8"/>
 	
-	<script>
+	<script type="application/javascript;version=1.8">
 	<![CDATA[
 		var Zotero_CSL_Editor = new function() {
 			this.init = init;
diff --git a/chrome/content/zotero/tools/cslpreview.xul b/chrome/content/zotero/tools/cslpreview.xul
index 958d361eee..9ad7bad3e1 100644
--- a/chrome/content/zotero/tools/cslpreview.xul
+++ b/chrome/content/zotero/tools/cslpreview.xul
@@ -33,9 +33,9 @@
 	onload="Zotero_CSL_Preview.init();"
 	title="Zotero Preview pane">
 	
-	<script src="chrome://zotero/content/include.js"/>
+	<script src="chrome://zotero/content/include.js" type="application/javascript;version=1.8"/>
 	
-	<script>
+	<script type="application/javascript;version=1.8">
 	<![CDATA[
 		default xml namespace = "http://purl.org/net/xbiblio/csl";
 
diff --git a/chrome/content/zotero/upgrade.xul b/chrome/content/zotero/upgrade.xul
index 615512d0b9..53e4fdf41a 100644
--- a/chrome/content/zotero/upgrade.xul
+++ b/chrome/content/zotero/upgrade.xul
@@ -9,7 +9,7 @@
 <wizard id="zotero-schema-upgrade" title="Zotero Upgrade Wizard"
 		xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
 	
-	<script>
+	<script type="application/javascript;version=1.8">
 	<![CDATA[
 		var Zotero_Schema_Upgrade = new function() {
 			this.init = init;