on IE 6, we were sometimes seeing negative numbers for height. This fixes.
on IE 6, we were sometimes seeing negative numbers for height. This fixes.


git-svn-id: ee6e786acc44c9cca5ee17c71a5576c45c210361@10998 560b804f-0ae3-0310-86f3-f6aa0a117693

redaktor/deliteful