Index: /CKEditor/trunk/CHANGES.html
===================================================================
--- /CKEditor/trunk/CHANGES.html	(revision 4668)
+++ /CKEditor/trunk/CHANGES.html	(revision 4669)
@@ -160,4 +160,5 @@
 		<li><a href="http://dev.fckeditor.net/ticket/4764">#4764</a> : Fixed wrong exception message when CKEDITOR.editor::append to non-existence element.</li>
 		<li><a href="http://dev.fckeditor.net/ticket/4521">#4521</a> : Fixed dialog layout in IE6/7 may have scroll-bar and other weird effects.</li>
+		<li><a href="http://dev.fckeditor.net/ticket/4709">#4709</a> : Fixed inconsistent scroll-bar behavior on IE.</li>
 		<li>Updated the following language files:<ul>
 			<li><a href="http://dev.fckeditor.net/ticket/3947">#3947</a> : Arabic;</li>
Index: /CKEditor/trunk/_source/plugins/selection/plugin.js
===================================================================
--- /CKEditor/trunk/_source/plugins/selection/plugin.js	(revision 4668)
+++ /CKEditor/trunk/_source/plugins/selection/plugin.js	(revision 4669)
@@ -93,5 +93,6 @@
 			editor.on( 'contentDom', function()
 				{
-					var doc = editor.document;
+					var doc = editor.document,
+						body = doc.getBody();
 
 					if ( CKEDITOR.env.ie )
@@ -108,5 +109,5 @@
 						// possible to restore the selection before click
 						// events get executed.
-						doc.on( 'focusin', function()
+						body.on( 'focusin', function()
 							{
 								// If we have saved a range, restore it at this
@@ -134,23 +135,14 @@
 							});
 
-						// Check document selection before 'blur' fired, this
-						// will prevent us from breaking text selection somewhere
-						// else on the host page.(#3909)
-						editor.document.on( 'beforedeactivate', function()
+						body.on( 'beforedeactivate', function()
 							{
 								// Disable selections from being saved.
 								saveEnabled = false;
-
-								// IE may leave the selection still inside the
-								// document. Let's force it to be removed.
-								// TODO: The following has effect for
-								// collapsed selections.
-								editor.document.$.execCommand( 'Unselect' );
 							});
 
 						// IE fires the "selectionchange" event when clicking
 						// inside a selection. We don't want to capture that.
-						doc.on( 'mousedown', disableSave );
-						doc.on( 'mouseup',
+						body.on( 'mousedown', disableSave );
+						body.on( 'mouseup',
 							function( evt )
 							{
@@ -171,6 +163,6 @@
 							});
 
-						doc.on( 'keydown', disableSave );
-						doc.on( 'keyup',
+						body.on( 'keydown', disableSave );
+						body.on( 'keyup',
 							function()
 							{