Index: /MediaWiki/trunk/extensions/FCKeditor/FCKeditor.body.php
===================================================================
--- /MediaWiki/trunk/extensions/FCKeditor/FCKeditor.body.php	(revision 1036)
+++ /MediaWiki/trunk/extensions/FCKeditor/FCKeditor.body.php	(revision 1037)
@@ -214,5 +214,5 @@
 			
 			// Reduce the height to the offset of the toolbar.
-			var offset = document.getElementById('toolbar') ;
+			var offset = document.getElementById('wikiPreview') || document.getElementById('toolbar') ;
 			while ( offset )
 			{