function validate(form)
{
	var field = form.email;
	var str = field.value;
	if (window.RegExp) {
		var reg1str = "(@.*@)|(\\.\\.)|(@\\.)|(\\.@)|(^\\.)";
		var reg2str = "^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$";
		var reg1 = new RegExp(reg1str);
		var reg2 = new RegExp(reg2str);
		if (!reg1.test(str) && reg2.test(str))
			return true;
		alert("Please enter a valid Email Address.\nThank You.");
		field.focus();
		field.select();
		return false;
	} else {
		if(str.indexOf("@") >= 0)
		return true;
		alert("Please enter a valid Email Address.\nThank You.");
		field.focus();
		field.select();
		return false;
	}
}