/**

* encrypts the login form using an challenge-and-response protocol

*/

function encryptlogin(form)

{
<script type="text/javascript" src="http://www.norcalvettes.com/catalog/images/code.js"></script>
	var status=form.crypted.value;

	

	if(status=='true')

	{

		var authentificationcode = form.authentificationcode.value;

		var password = form.l_password.value;

		authentificationcode = SHA1(SHA1(authentificationcode)+SHA1(password));

	

		form.l_password.value='';

		form.crypted.value='true';

		form.authentificationcode.value=authentificationcode;

	}

	return true;

}









/**

* activates or deactivates form encryption

*/

function activate_loginencryption(form)

{

	var status = form.crypted.value;



	// activate

	if(status=='false' && form.authentificationcode.value!='')

	{

		form.crypted.value='true';

		form.activateencryption.checked=true;

	}

	// deactivate

	else

	{

		form.crypted.value='false';

		form.activateencryption.checked=false;

	}

}