function isEmail(str) {
var supported = 0;
	if (window.RegExp) {
		var tempStr = "a";
		var tempReg = new RegExp(tempStr);
		if (tempReg.test(tempStr))
			supported = 1;
	}
	if (!supported){
		return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
	}
var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)");
var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,4}|[0-9]{1,3})(\\]?)$");
return (!r1.test(str) && r2.test(str));
}

function validateMLForm(thisform){
	if(isEmail(thisform['email'].value)  == ''){
		alert('Please Enter a Valid Email Address');
		thisform['email'].focus();
		return false;
	}
}