function Validate_PositiveInteger(Figure){
	val=Figure;
	
	if(val==null)return false;
	
	if (val.length==0)return false;
	
	for (var i = 0; i < val.length; i++) {
		var ch = val.charAt(i);
		if (ch < "0" || ch > "9")return false;
	}

	return true;
}

function Validate_Email(EmailAddress){
	var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;

	return reg.test(EmailAddress);
}

function Validate_Alphanumeric(TextToValidate){
	var reg = /^\w+$/;

	return reg.test(TextToValidate);
}