function fdc(str){

	str = str.replace(/D/g, "0");
	str = str.replace(/E/g, "5");
	str = str.replace(/X/g, "2");
	str = str.replace(/G/g, "3");
	str = str.replace(/T/g, "4");
	str = str.replace(/P/g, "8");

	return parseFloat(str);

}