That is a whole other can of worms (SSL).

You need to be really explicit and detailed when asking questions, too much guess work is going on as to what you are trying to do.

please compile a list of things 1. you've tried,
2. you want to accomplish,
3. you think is going on.

You're using a webform (check)
Are you using cookies?
The page is viewed via SSL, ie its encrypted? (?you tell me?)
You need to look here