var rexEmail = /^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)*\.(([0-9]{1,3})|([a-zA-Z]{2,3})|(aero|coop|info|museum|name))$/;                 
function sitecheckEmail(theField) {
	var theForm = theField.form;
	if (!rexEmail.test(theField.value)){
		alert("Invalid E-mail Address! Please re-enter.")
		if(theField.value>""){
			theField.select();
			theField.focus();
		}
	return false;
}
return true;
}

function sitefrmsubmit_page(form)
{ 

	// single line input box
	 if (form.formQuestion_170.value == "")
	 {
	   alert("Please enter a value for, \"Name\".\r");
	   form.formQuestion_170.focus();
	   return (false);
	 }

	// single line input box
	 if (form.formQuestion_171.value == "")
	 {
	   alert("Please enter a value for, \"Surname\".\r");
	   form.formQuestion_171.focus();
	   return (false);
	 }

	// single line input box
	 if (form.formQuestion_172.value == "")
	 {
	   alert("Please enter a value for, \"Email address\".\r");
	   form.formQuestion_172.focus();
	   return (false);
	 }

}