--- thickbox.css	Thu Nov 06 19:59:38 2008
+++ thickbox.css	Thu Mar 12 04:14:35 2009
@@ -60,6 +60,11 @@
   left:50%;
 }
 
+*+html #TB_window { /* ie7 hack */
+  position: absolute;
+  margin-top: expression(0 - parseInt(this.offsetHeight / 2) + (TBWindowMargin = document.documentElement && document.documentElement.scrollTop || document.body.scrollTop) + 'px');
+}
+
 * html #TB_window { /* ie6 hack */
 position: absolute;
 margin-top: expression(0 - parseInt(this.offsetHeight / 2) + (TBWindowMargin = document.documentElement && document.documentElement.scrollTop || document.body.scrollTop) + 'px');