r=danm, sr=dveditz, a=asa Extend ConfirmEx to allow setting the default button - change default button for script security to no git-svn-id: svn://10.0.0.236/branches/MOZILLA_1_7_BRANCH@156597 18797224-902f-48f8-a5cc-f745e15eee43
r=danm, sr=dveditz, a=asa Extend ConfirmEx to allow setting the default button - change default button for script security to no git-svn-id: svn://10.0.0.236/branches/MOZILLA_1_7_BRANCH@156597 18797224-902f-48f8-a5cc-f745e15eee43