Index: /CKEditor/trunk/CHANGES.html
===================================================================
--- /CKEditor/trunk/CHANGES.html	(revision 5685)
+++ /CKEditor/trunk/CHANGES.html	(revision 5686)
@@ -66,4 +66,5 @@
 		<li><a href="http://dev.fckeditor.net/ticket/4997">#4997</a> : Provide better access to the native input in the ui.dialog.file element.</li>
 		<li><a href="http://dev.fckeditor.net/ticket/5914">#5914</a> : Modified the Smilies dialog to make active only the images and not their borders.</li>
+		<li><a href="http://dev.fckeditor.net/ticket/5565">#5565</a> : The scrollbar does not behaves erratically when opening a rich combo in RTL page.</li>
 	</ul>
 	<h3>
Index: /CKEditor/trunk/_source/plugins/floatpanel/plugin.js
===================================================================
--- /CKEditor/trunk/_source/plugins/floatpanel/plugin.js	(revision 5685)
+++ /CKEditor/trunk/_source/plugins/floatpanel/plugin.js	(revision 5686)
@@ -130,12 +130,13 @@
 				element.setStyles(
 					{
-						top : top + 'px',
-						left : '-3000px',
-						opacity : '0',	// FF3 is ignoring "visibility"
+						top : '-30000px',
 						display	: ''
 					});
+				// Don't use display or visibility style because we need to  
+				// calculate the rendering layout later and focus the element.  
+				element.setOpacity( 0 );
 
 				// To allow the context menu to decrease back their width
-				element.getFirst().removeStyle('width');
+				element.getFirst().removeStyle( 'width' );
 
 				// Configure the IFrame blur event. Do that only once.
@@ -204,8 +205,8 @@
 								var widthNode = block.element.$;
 
-								if ( CKEDITOR.env.gecko || CKEDITOR.env.opera)
+								if ( CKEDITOR.env.gecko || CKEDITOR.env.opera )
 									widthNode = widthNode.parentNode;
 
-								if ( CKEDITOR.env.ie)
+								if ( CKEDITOR.env.ie )
 									widthNode = widthNode.document.body;
 
@@ -263,8 +264,7 @@
 								{
 									top : top + 'px',
-									left : left + 'px',
-									opacity : '1'
+									left : left + 'px'
 								} );
-
+							element.setOpacity( 1 );
 						} , this );