now it changes it value before the DOM call (script) and then if the event is cancelled
it sets the value back (which doesn't happen very often)
r=pollmann,jst sr=buster b=57137,57239,58460
git-svn-id: svn://10.0.0.236/trunk@83473 18797224-902f-48f8-a5cc-f745e15eee43