<?php
if (isset($_GET['cur']) && isset($_GET['goal']) && isset($_GET['height']) && isset($_GET['width']) ) {
	
	header("Content-type: image/png");
	
	//setting the values we'll use in our script pulled in from GET
	$height = trim($_GET['height']);
	$width = trim($_GET['width']);
	$goal = trim($_GET['goal']);
	$current = trim($_GET['cur']);
	
	if ($current > $goal) {
		$current = 100;
		$percent= "100%!";
	} else if ($current == "" || $current == "0") {
		$percent = "0%";
	} else {
	 $percent = round(($current/$goal)*100) . "%";
	}
	
	$im = @imagecreate($width,$height)
		or die("Cannot Initialize new GD image stream");
		
	$bg = ImageColorAllocate($im,200,200,200); // grey
	$fg = ImageColorAllocate($im,255,0,0); //red
	$text_color = imagecolorallocate($im, 0, 0, 0); //black
	
	
	$fill = $height-(($current/$goal)*$height);
	
	imagefilledrectangle($im, 0, $fill, $width, $height, $fg);
	
	imagestring($im, 3, 2, 2,  $percent, $text_color);
	
	imagepng($im);
	
	imagedestroy($im); 
}

?>