Index: /CKEditor/trunk/_source/plugins/selection/plugin.js
===================================================================
--- /CKEditor/trunk/_source/plugins/selection/plugin.js	(revision 7395)
+++ /CKEditor/trunk/_source/plugins/selection/plugin.js	(revision 7396)
@@ -443,5 +443,5 @@
 								// below body, but not on scrollbar.
 								if ( evt.y < html.$.clientHeight
-									 && evt.y > body.$.clientHeight
+									 && evt.y > body.$.offsetTop + body.$.clientHeight
 									 && evt.x < html.$.clientWidth )
 								{