function IsInteger(ANumber)
{
	var len = ANumber.length;
	var Success = true;
	for(var index = 0; (index < len ) && Success; index++)
	{
		var c = ANumber.charAt(index);
		if (c< "0" || c > "9")
		{
			Success = false;
		} 
	}
	return Success;
}