function validateEmail(email) {//passing controlas a argument
	var re_mail = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z])+$/;
	if (!re_mail.test(email.value)) {
		//alert("Error");
		//email.focus();
		//email.select();
		return false;
	}

	return true;
}

function valid(frm){
	if(frm.EMail.value==""){
		alert("Please enter your email address");
		frm.EMail.focus();
		return false;
	}
	if(validateEmail(frm.EMail) == false){
		alert("Invalid Email Address (a@a.a).");
		frm.EMail.focus();
		return false;
	}
	return true;
}