diff --git a/UI/WebServerResources/MailerUI.js b/UI/WebServerResources/MailerUI.js
index a44aa2833..6f0ced36e 100644
--- a/UI/WebServerResources/MailerUI.js
+++ b/UI/WebServerResources/MailerUI.js
@@ -54,7 +54,7 @@ function openAddressbook(sender) {
   urlstr = ApplicationBaseURL + "/../Contacts/?popup=YES";
   var w = window.open(urlstr, "Addressbook",
 		      "width=640,height=400,resizable=1,scrollbars=1,toolbar=0,"
-		      + "location=0,directories=0,status=0,menubar=0,copyhistory=0");
+		      + "location=no,directories=0,status=0,menubar=0,copyhistory=0");
   w.focus();
 
   return false;
@@ -339,7 +339,7 @@ function _onMailboxMenuAction(menuEntry, error, actionName) {
     window.alert(labels[error]);
   else {
     var message;
-    if (document.menuTarget instanceof HTMLDivElement)
+    if (document.menuTarget.tagName == "DIV")
       message = currentMessages[currentMailbox];
     else
       message = document.menuTarget.getAttribute("id").substr(4);
diff --git a/UI/WebServerResources/SchedulerUI.js b/UI/WebServerResources/SchedulerUI.js
index 2a92d8f7e..2ace43224 100644
--- a/UI/WebServerResources/SchedulerUI.js
+++ b/UI/WebServerResources/SchedulerUI.js
@@ -990,7 +990,7 @@ function selectYearInMenu(menu, month) {
   var entries = menu.childNodes[1].childNodes;
   for (i = 0; i < entries.length; i++) {
     var entry = entries[i];
-    if (entry instanceof HTMLLIElement) {
+    if (entry.tagName == "LI") {
       var entryMonth = entry.innerHTML;
       if (entryMonth == month)
         entry.addClassName("currentMonth");