Refine B65-ZK-1234
- use child selector for IE > 6 && Opera
- use * hack for IE6 (workaround for only 3 levels of nesting)
- add test for sapphire/silvertail too
fix img path
Merge branch 'B65-ZK-1234' of git://github.com/leeyt/zk
Merge pull request #16 from huangnoah/fix-B50-3306729

fix img path
Merge remote-tracking branch 'Neillee/master'
Merge branch 'master' of github.com:zkoss/zk