Fix for 4095839, wrong background image used on flechtwerk.de. Make sure that the...

	Fix for 4095839, wrong background image used on flechtwerk.de.  Make sure that the global mapped
	attribute cache hashed background attributes into per-document buckets.

        * khtml/html/html_baseimpl.cpp:
        (HTMLBodyElementImpl::mapToEntry):
        * khtml/html/html_elementimpl.h:
        (DOM::):
        * khtml/html/html_tableimpl.cpp:
        (HTMLTableElementImpl::mapToEntry):
        (HTMLTablePartElementImpl::mapToEntry):
        * khtml/xml/dom_docimpl.cpp:
        (DocumentImpl::DocumentImpl):
        * khtml/xml/dom_docimpl.h:
        (DOM::DocumentImpl::docID):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@9036 268f45cc-cd09-0410-ab3c-d52691b4dbfc