function email(string) {
	var pattern = /(.+)@(.+)\.(.+)/;

	if(!preg_match(pattern,string)) {
		alert("Invalid email address");
		return false;
		}
	return true;
	}

function phone(string) {
	if(!string || preg_match(/[^0-9\(\)\s\-\.x]/i,string)) {
		alert("Invalid phone number");
		return false;
		}
	return true;
	}