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

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

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