I left intentionally the data of one of the many site that use this 'password protection', so that you can see as it was intended to work...
 

Universal Flow Control Inc.
6660 Variel Avenue, Canoga Park, CA 91303
(818) 346-4944
* FAX (818) 346-6294 * (888) UFC-4944

Please "click" here to go to the Universal Flow Control Survey


OK, just study the code of this page... click above and you'll simply go back to the javascri.htm page you come from. This lesson is finished: moral: never protect a page in this way :-)