Index: /CKEditor/trunk/CHANGES.html
===================================================================
--- /CKEditor/trunk/CHANGES.html	(revision 6311)
+++ /CKEditor/trunk/CHANGES.html	(revision 6312)
@@ -86,4 +86,5 @@
 		<li><a href="http://dev.ckeditor.com/ticket/6896">#6896</a> : [Webkit] Unable to paste into sourcearea when maximized.</li>
 		<li><a href="http://dev.ckeditor.com/ticket/6020">#6020</a> : Cut, Copy and Paste buttons' state are now aligned with the respective context menu buttons.</li>
+		<li><a href="http://dev.ckeditor.com/ticket/5256">#5256</a> : JS error when percent sign used in image url.</li>
 	</ul>
 	<h3>
Index: /CKEditor/trunk/_source/plugins/image/dialogs/image.js
===================================================================
--- /CKEditor/trunk/_source/plugins/image/dialogs/image.js	(revision 6311)
+++ /CKEditor/trunk/_source/plugins/image/dialogs/image.js	(revision 6312)
@@ -548,6 +548,6 @@
 												if ( type == IMAGE && ( this.getValue() || this.isChanged() ) )
 												{
-													element.data( 'cke-saved-src', decodeURI( this.getValue() ) );
-													element.setAttribute( 'src', decodeURI( this.getValue() ) );
+													element.data( 'cke-saved-src', this.getValue() );
+													element.setAttribute( 'src', this.getValue() );
 												}
 												else if ( type == CLEANUP )