Due to different browser implementations in regard to determing which is the *right*
form's submit button (in KM case we can have two or more) we explicitly catch events and call it.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@44488 20353a03-c40f-0410-a6d1-a30d3c3de9de