var regDate = /^([1-9]{1}|0[1-9]|1[012])[/](0[1-9]|[12][0-9]|3[01]|[1-9]{1})[/](19|20)\d\d/;
var regAlpha = /[a-zA-Z]+/;
var regPhone = /^([0-9]{10})/;
var regPin = /^([a-zA-Z0-9]{7})/;
var regNumber = /[1]/;
var regZip = /^([0-9]{5})(?:[-\s]*([0-9]{4}))?$/;
var regNotNull= /[a-zA-Z0-9]+/;
var regEmail = /^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;

function checkField(val, regMatch) {
	var success=regMatch.test(val);
	return success;
}

function calcAge( birthMonth, birthDate,birthYear){

	dDate = parseInt(birthDate,10);
	dMonth = parseInt(birthMonth,10);
	dYear = parseInt(birthYear,10);

	curDate = new Date();
	yearsOld = curDate.getFullYear() - dYear;
	monthsOld = (curDate.getMonth() + 1) - dMonth;
	daysOld = curDate.getDate() - dDate;

	if ((monthsOld < 0) || (monthsOld == 0 && daysOld < 0)) yearsOld --;
	return yearsOld;
}