Signature help?

	// draws a progress bar based on episode progress, added by saka

	function drawProgBar($nr,$x,$y,$c1,$c2,$w=100,$h=2,$trans=0)

    {

      $nr--;

	  $trans = $trans % 100; // no transparency greater than 99%

	  

	  // get the rss text

      $Text = $this->rssDescription[$nr][1];

	 	  

	  // parse the status and episode numbers

	  preg_match('/^(.*) - ([0-9]+) of ([0-9?]+)/',$Text,$matches);

	  $status = $matches[1];

	  $ep1 = $matches[2];

	  $ep2 = $matches[3];

	  

	  // handle unknown ep numbers

	  if ( !is_numeric($ep2) || !is_numeric($ep1) ) {

		$percent = .4821; // default value

	  } else {

		$percent = $ep1/$ep2;

	  }

	  

	  // convert and allocate the colors we need

	  $rgb1 = html2rgb($c1);

	  $rgb2 = html2rgb($c2);

	  $color1 = imagecolorallocatealpha($this->sigImage, $rgb1[0], $rgb1[1], $rgb1[2], ($trans/100)*127 );

	  $color2 = imagecolorallocatealpha($this->sigImage, $rgb2[0], $rgb2[1], $rgb2[2], ($trans/100)*127 );

	  

	  // draw the rectangles!

	  imagefilledrectangle($this->sigImage, $x+ceil($percent*$w), $y, $x+$w, $y+$h-1, $color2);

	  imagefilledrectangle($this->sigImage, $x, $y, $x+ceil($percent*$w), $y+$h-1, $color1);

      

    }

// function to convert html hex/oct colors to rgb array (because anything less would be uncivilized)

function html2rgb($color) {

    if ($color[0] == '#')

		$color = substr($color, 1);

	

	if (strlen($color) == 6)

		list($r, $g, $b) = array($color[0].$color[1],

		                         $color[2].$color[3],

                                 $color[4].$color[5]);

	elseif (strlen($color) == 3)

		list($r, $g, $b) = array($color[0].$color[0], $color[1].$color[1], $color[2].$color[2]);

	else

		return false;



	$r = hexdec($r); $g = hexdec($g); $b = hexdec($b);

    return array($r, $g, $b);

}