// JavaScript Document

function auto_validate(form_num)
{
	var field_name = document.forms[form_num];
	var elements = field_name.elements;
	var email_pattern = /^[a-zA-Z0-9_\.-]+@[a-zA-Z0-9\.-]+\.[a-zA-Z]{2,4}$/;
	for (var i = 0; i < elements.length; i++)
	{
		if(/(^|)check_required(|$)/.test(elements[i].className) && elements[i].value == "")
		{
			elements[i].focus();
			alert("Please fill out this field.");
			return false;		
		}
		if(/(^|)check_email(|$)/.test(elements[i].className) && ( elements[i].value == "" || !email_pattern.test(elements[i].value) ) )
		{
			elements[i].focus();
			alert("Please fill in a valid email address.");
			return false;		
		}
	}// end of for loop
		return true;
}// end of function auto_validate()