Index: /branches/devel-vnext/skins/default/mail.css
===================================================================
--- /branches/devel-vnext/skins/default/mail.css	(revision 813)
+++ /branches/devel-vnext/skins/default/mail.css	(revision 814)
@@ -137,17 +137,13 @@
 #messagecontframe
 {
-  width: 100%;
-  height: 100%;
-  border: 0;
-}
-
-/*\*/
-html>body*#messagecontframe
-{
-  [height: 40%;
-  height: 40%;
-  ]height: 100%;
-}
-/**/
+  position: absolute;
+  top: 0px;
+  left: 0px;
+  right: 0px;
+  bottom: 0px;
+  /* css hack for IE */
+  width: expression((parseInt(document.documentElement.clientWidth)-230)+'px');
+  height: expression((parseInt(document.documentElement.clientHeight)-135-document.getElementById('mailcontframe').offsetHeight)+'px');
+}
 
 #messagepartframe