diff --git a/UI/WebServerResources/MailerUI.css b/UI/WebServerResources/MailerUI.css
index b317d5fb9..014e08dd0 100644
--- a/UI/WebServerResources/MailerUI.css
+++ b/UI/WebServerResources/MailerUI.css
@@ -46,7 +46,8 @@ DIV#rightPanel
 }
 
 DIV#mailboxContent
-{ position: absolute;
+{ background-color: #fff;
+  position: absolute;
   width: 100%;
   height: 18em;
   left: 0px;
@@ -471,8 +472,8 @@ TABLE#addr_table
 TABLE#messageList
 { display: block;
   position: absolute;
-  background: #fff;
-  color: #000;  
+  background-color: #fff;
+  color: #000;
   width: 100%;
   left: 0px;
   right: 0px;
diff --git a/UI/WebServerResources/MailerUI.js b/UI/WebServerResources/MailerUI.js
index ce018516f..8dc1cb303 100644
--- a/UI/WebServerResources/MailerUI.js
+++ b/UI/WebServerResources/MailerUI.js
@@ -122,7 +122,7 @@ function openAddressbook(sender) {
 function onMenuSharing(event) {
    var folderID = document.menuTarget.getAttribute("dataname");
    var urlstr = URLForFolderID(folderID) + "/acls";
-   event.preventDefault();
+   preventDefault(event);
 
    openAclWindow(urlstr);
 }
@@ -372,7 +372,7 @@ function moveMessages(rowIds, folder) {
 
 function onMenuDeleteMessage(event) {
    uixDeleteSelectedMessages();
-   event.preventDefault();
+   preventDefault(event);
 }
 
 function onMailboxTreeItemClick(event) {
@@ -395,7 +395,7 @@ function onMailboxTreeItemClick(event) {
    else
       openMailbox(mailbox);
    
-   event.preventDefault();
+   preventDefault(event);
 }
 
 function onMailboxMenuMove() {
@@ -555,7 +555,7 @@ function onFolderMenuClick(event) {
    topNode.menuSelectedEntry = this;
    this.select();
 
-   event.preventDefault();
+   preventDefault(event);
 }
 
 function onFolderMenuHide(event) {