diff -rNu kdelibs-proper/khtml/ChangeLog kdelibs-3.4.1/khtml/ChangeLog
--- kdelibs-proper/khtml/ChangeLog	2005-05-23 05:16:29.000000000 -0700
+++ kdelibs-3.4.1/khtml/ChangeLog	2005-07-23 21:52:20.000000000 -0700
@@ -1,3 +1,7 @@
+2005-06-20  Allan Sandfeld Jensen <kde@carewolf.com>
+ 
+        * ecma/kjs_events.cpp: Respect the DOM for MouseEvent::Button atleast when simulating Mozilla
+
 2005-05-21  Harri Porten  <porten@kde.org>
 
 	* html/html_documentimpl.cpp: emit onload event even if the
diff -rNu kdelibs-proper/khtml/ecma/kjs_events.cpp kdelibs-3.4.1/khtml/ecma/kjs_events.cpp
--- kdelibs-proper/khtml/ecma/kjs_events.cpp	2005-05-23 05:16:24.000000000 -0700
+++ kdelibs-3.4.1/khtml/ecma/kjs_events.cpp	2005-07-23 21:51:20.000000000 -0700
@@ -634,7 +634,11 @@
   case MetaKey:
     return Boolean(static_cast<DOM::MouseEvent>(event).metaKey());
   case Button:
-  {
+   {
+     if ( exec->interpreter()->compatMode() == Interpreter::NetscapeCompat ) {
+       return Number(static_cast<DOM::MouseEvent>(event).button());
+     }
+      
     // Tricky. The DOM (and khtml) use 0 for LMB, 1 for MMB and 2 for RMB
     // but MSIE uses 1=LMB, 2=RMB, 4=MMB, as a bitfield
     int domButton = static_cast<DOM::MouseEvent>(event).button();