Index: CKEditor/trunk/CHANGES.html
===================================================================
--- CKEditor/trunk/CHANGES.html	(revision 6923)
+++ CKEditor/trunk/CHANGES.html	(revision 6926)
@@ -54,4 +54,5 @@
 		<li><a href="http://dev.ckeditor.com/ticket/7334">#7334</a> : [IE7] Indent style doesn't apply to RTL list.</li>
 		<li><a href="http://dev.ckeditor.com/ticket/6845">#6845</a> : Spaces inside the link field in the link dialog window will now be trimmed.</li>
+		<li><a href="http://dev.ckeditor.com/ticket/7840">#7840</a> : [IE] Opening the Table Properties dialog via the context menu caused a JS error.</li>
 		<li>Updated the following language files:<ul>
 			<li><a href="http://dev.ckeditor.com/ticket/7834">#7834</a> : Dutch;</li>
Index: CKEditor/trunk/_source/plugins/dialog/plugin.js
===================================================================
--- CKEditor/trunk/_source/plugins/dialog/plugin.js	(revision 6923)
+++ CKEditor/trunk/_source/plugins/dialog/plugin.js	(revision 6926)
@@ -2752,5 +2752,5 @@
 		isEnabled : function()
 		{
-			return !this.getInputElement().getAttribute( 'disabled' );
+			return !this.getElement().getAttribute( 'disabled' );
 		},