diff --git a/UI/WebServerResources/HTMLElement.js b/UI/WebServerResources/HTMLElement.js
index ef2bd894f..46f4c54e6 100644
--- a/UI/WebServerResources/HTMLElement.js
+++ b/UI/WebServerResources/HTMLElement.js
@@ -151,10 +151,10 @@ Element.addMethods({
 		    - (menuLeft + popup.offsetWidth));
     if (leftDiff < 0)
       menuLeft -= popup.offsetWidth;
-    
-    popup.style.top = menuTop + "px;";
-    popup.style.left = menuLeft + "px;";
-    popup.style.visibility = "visible;";
+
+    popup.setStyle( { top: menuTop + "px",
+		      left: menuLeft + "px",
+		      visibility: "visible" } );
     
     document.currentPopupMenu = popup;
     Event.observe(document.body, "click", onBodyClickMenuHandler);
diff --git a/UI/WebServerResources/MailerUI.css b/UI/WebServerResources/MailerUI.css
index 7cef75b4a..055308529 100644
--- a/UI/WebServerResources/MailerUI.css
+++ b/UI/WebServerResources/MailerUI.css
@@ -455,12 +455,12 @@ DIV[datatype~="additional"] > A.node > SPAN.nodeName
 
 /* drag-n-drop */
 IMG.dragMessage
-{
-  position: absolute;
+{ position: absolute;
   visibility: hidden;
   border: 0px;
   -moz-opacity: 0.7;
-}
+  opacity: 0.7;
+  filter: alpha(opacity=70); }
 
 TABLE#addr_table
 { 
diff --git a/UI/WebServerResources/SchedulerUI.css b/UI/WebServerResources/SchedulerUI.css
index f127a277c..a9a297310 100644
--- a/UI/WebServerResources/SchedulerUI.css
+++ b/UI/WebServerResources/SchedulerUI.css
@@ -798,7 +798,9 @@ DIV.appointments > DIV.appointment
   padding: 1px; }
 
 DIV[class~="appointment"]._selected > DIV.appointmentInside
-{ -moz-opacity: 0.7; }
+{ -moz-opacity: 0.7;
+  opacity: 0.7;
+  filter: alpha(opacity=70); }
 
 DIV.appointment > DIV.appointmentInside
 { position: absolute;
@@ -817,28 +819,36 @@ DIV.shadow1
   right: 0px;
   top: 2px;
   bottom: 3px;
-  -moz-opacity: 0.1; }
+  -moz-opacity: 0.1;
+  opacity: 0.1;
+  filter: alpha(opacity=10); }
 
 DIV.shadow2
 { left: 1px;
   right: 1px;
   top: 1px;
   bottom: 2px;
-  -moz-opacity: 0.1; }
+  -moz-opacity: 0.1;
+  opacity: 0.1;
+  filter: alpha(opacity=10); }
 
 DIV.shadow3
 { left: 2px;
   right: 2px;
   top: 0px;
   bottom: 3px;
-  -moz-opacity: 0.1; }
+  -moz-opacity: 0.1;
+  opacity: 0.1;
+  filter: alpha(opacity=10); }
 
 DIV.shadow4
 { left: 3px;
   right: 3px;
   top: 3px;
   bottom: 4px;
-  -moz-opacity: 0.4; }
+  moz-opacity: 0.4;
+  opacity: 0.4;
+  filter: alpha(opacity=40); }
 
 DIV.gradient, DIV.text
 { position: absolute;
diff --git a/UI/WebServerResources/UIxComponentEditor.js b/UI/WebServerResources/UIxComponentEditor.js
index a490e25ad..32347213e 100644
--- a/UI/WebServerResources/UIxComponentEditor.js
+++ b/UI/WebServerResources/UIxComponentEditor.js
@@ -156,4 +156,4 @@ function onComponentEditorLoad(event) {
       menuItems[i].addEventListener("mouseup", onMenuSetClassification, false);
 }
 
-window.addEventListener("load", onComponentEditorLoad, false);
+addEvent(window, 'load', onComponentEditorLoad);
diff --git a/UI/WebServerResources/generic.css b/UI/WebServerResources/generic.css
index 6c1ff9194..fc63f218d 100644
--- a/UI/WebServerResources/generic.css
+++ b/UI/WebServerResources/generic.css
@@ -253,7 +253,9 @@ SPAN.toolbarButton, SPAN.disabledToolbarButton
   color: -moz-DialogText; }
 
 SPAN.disabledToolbarButton
-{ -moz-opacity: 0.4; }
+{ -moz-opacity: 0.4;
+  opacity: 0.4;
+  filter: alpha(opacity=40); }
 
 SPAN.toolbarButton:hover
 { color: -moz-buttonhovertext;
@@ -352,6 +354,8 @@ DIV#logConsole
   display: none;
   z-index: 1000;
   -moz-opacity: 0.7;
+  opacity: 0.7;
+  filter: alpha(opacity=70);
   border-top: 2px solid #fff;
   border-left: 2px solid #fff;
   border-right: 2px solid #999;
@@ -483,6 +487,8 @@ DIV.javascriptPopupBackground
 { position: absolute;
   background-color: #999;
   -moz-opacity: 0.6; 
+  opacity: 0.6;
+  filter: alpha(opacity=60);
   z-index: 2;
   top: 0px;
   left: 0px;
@@ -504,6 +510,8 @@ DIV.javascriptMessagePseudoWindow
   padding: 1em;
   margin: 0px auto;
   -moz-opacity: 1.0;
+  opacity: 1.0;
+  filter: alpha(opacity=100);
   color: #000;
   background-color: #dedede; }