function buildUrl() {

	if (document.getElementById('customlnk')) {

		var mySubmitCode = document.getElementById('customlnk').value;

		mySubmitCode  += 'passiton_name=' + document.getElementById('sender_name').value + '&';

		var filteredEmail = (document.getElementById('sender_email').value).replace(/@/,"AT");		
		mySubmitCode  += 'passiton_email=' + filteredEmail + '&';

		var filteredFriends = document.getElementById('passiton_email').value.replace(/@/g,"AT");
		mySubmitCode  += 'passiton_friends=' + filteredFriends + '&';

		mySubmitCode  += 'passiton_message=' + document.getElementById('email_body').value;
		alert(mysubmitcode);

//		self.document.location = mySubmitCode;

	}
}