function isNumeric(val) {
	var ValidChars = "0123456789-";
	for (i=0; i<val.length; i++) if (ValidChars.indexOf(val.charAt(i)) == -1) return false;
	return true;
}
function IsValidEmail(val) {
	var iLen = val.length;
	if 	(iLen < 6 || val.indexOf('@') < 1 || (val.charAt(iLen - 3) != '.' && val.charAt(iLen - 4) != '.' && val.charAt(iLen - 5) != '.')) return false;
	return true;
}