After a user has saved an unfinished survey, the next time they click on save unfinished survey, it saves and reloads the page. I've added a javascript alert to tell the user the survey was saved.

git-svn-id: file:///Users/Shitiz/Downloads/lssvn/source/phpsurveyor@2451 b72ed6b6-b9f8-46b5-92b4-906544132732