[Xtreme]

Here are the corrected functions:

Code:

<?
function XCoord($coord) {
 $conv = ((($coord * 512) / 5920) + (1536 / 2));
 echo $conv;
}

function YCoord($coord) {
 $conv = (((-1 * $coord * 512) / 5920) + (1536 / 2));
 echo $conv;
}
?>