jquery ajax: closes #3052. Additional check on httpData() to keep compatibility with older code (form plugin).
jquery ajax: closes #3052. Additional check on httpData() to keep compatibility with older code (form plugin).

git-svn-id: a6f3e0ffc78e78789c45711e92f8046af3fcb362@5732 c715fcbe-d12f-0410-84c4-316a508785bb

dantman/4query,dantman/4query