Roo/Shadow.js

diff --git a/Roo/Shadow.js b/Roo/Shadow.js
index 3b2f631..8984a8b 100644 (file)
--- a/Roo/Shadow.js
+++ b/Roo/Shadow.js
@@ -137,6 +137,9 @@ Roo.Shadow.prototype = {
         s.left = (l+a.l)+"px";
         s.top = (t+a.t)+"px";
         var sw = (w+a.w), sh = (h+a.h), sws = sw +"px", shs = sh + "px";
+        if (sh < 0) { // borks in IE7
+            return;
+        }
         if(s.width != sws || s.height != shs){
             s.width = sws;
             s.height = shs;