<?
function splitcolor($color)
{
    if ( substr($color, 0, 1) == "#" ) {
        $color = substr($color, 1);
    }

    $r = hexdec(substr($color, 0, 2));
    $g = hexdec(substr($color, 2, 2));
    $b = hexdec(substr($color, 4, 2));

    return(array("r" => $r, "g" => $g, "b" => $b));
}

function box($im, $x1, $y1, $x2, $y2, $thick, $color)
{
    $tpx = $thick - 1;
    imagefilledrectangle($im, $x1, $y1, $x2, $y1 + $tpx, $color);
    imagefilledrectangle($im, $x2 - $tpx, $y1, $x2, $y2, $color);
    imagefilledrectangle($im, $x1, $y2 - $tpx, $x2, $y2, $color);
    imagefilledrectangle($im, $x1, $y1, $x1 + $tpx, $y2, $color);
}
?>