http://code.google.com/p/ufd/issues/detail?id=3 
http://code.google.com/p/ufd/issues/detail?id=3 

option to inherit zIndex from ancestors, set option: calculateZIndex: true

git-svn-id: 198ca16ee9e8fc10bebd3cc4eee0ce4be6753f93@103 9c53cf46-e557-11de-ab96-fd2e03e142b3

potatosalad/ufd