static function FormatWithDashes($cc_num)
	{
		$dashSeparatedNumber = "";

		if(strlen($cc_num) == 15)
		{
			$firstFour = substr($cc_num,0,4);
			$secondSix = substr($cc_num,4,6);
			$thirdFive = substr($cc_num,10,5);
			$dashSeparatedNumber = $firstFour . "-" . $secondSix . "-" . $thirdFive;
		}
		else
		{
			$firstFour = substr($cc_num,0,4);
			$secondFour = substr($cc_num,4,4);
			$thirdFour = substr($cc_num,8,4);
			$fourthFour = substr($cc_num,12,4);
			$dashSeparatedNumber = $firstFour . "-" . $secondFour . "-" . $thirdFour . "-" . $fourthFour;
		}

		return $dashSeparatedNumber;
	}