Index: branches/RC/core/admin_templates/js/jquery/thickbox/thickbox.js
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diff -u -N -r11482 -r11623
--- branches/RC/core/admin_templates/js/jquery/thickbox/thickbox.js	(.../thickbox.js)	(revision 11482)
+++ branches/RC/core/admin_templates/js/jquery/thickbox/thickbox.js	(.../thickbox.js)	(revision 11623)
@@ -535,7 +535,7 @@
 			width: TB.Width + 'px',
 			height: TB.Height + 'px',
 			left: Math.round((pagesize[0] - TB.Width) / 2) + 'px',
-			top: Math.round((pagesize[1] - TB.Height) / 2) + 'px'
+			top: $(window).scrollTop() + Math.round((pagesize[1] - TB.Height) / 2) + 'px'
 		}
 	);