Index: /trunk/roundcubemail/skins/default/iehacks.css
===================================================================
--- /trunk/roundcubemail/skins/default/iehacks.css	(revision 2894)
+++ /trunk/roundcubemail/skins/default/iehacks.css	(revision 2895)
@@ -137,4 +137,10 @@
 }
 
+#messagelist
+{
+  width: inherit;
+  *width: auto; /* IE6/7 conditional hack */
+}
+
 #messageframe
 {
@@ -245,7 +251,2 @@
   filter: alpha(opacity=80);
 }
-
-#messagelist
-{
-  width: expression((document.documentElement.clientHeight > this.parentNode.clientHeight) ? 'auto' : '100%');
-}