remove some deprecated JavaScript functions

git-svn-id: https://plugins.svn.wordpress.org/cforms2/trunk@1022528 b8457f37-d9ea-0310-8a92-e5e31aec5664
translator credits

git-svn-id: https://plugins.svn.wordpress.org/cforms2/trunk@1022529 b8457f37-d9ea-0310-8a92-e5e31aec5664
add missing parameter

git-svn-id: https://plugins.svn.wordpress.org/cforms2/trunk@1022531 b8457f37-d9ea-0310-8a92-e5e31aec5664