Fix bug for IE (firefox can deal with anonymous node for null, not ie)
Fix bug for IE (firefox can deal with anonymous node for null, not ie)

git-svn-id: 4cd2d1688610a87757c9f4de95975a674329c79f@740 b8ca103b-dd03-488c-9448-c80b36131af2

131/yks,131/yks,131/yks