{
			$img = @file_get_contents ($url);
			if($img === false){
				$err = error_get_last();
				if(is_array($err) && $err['message']){
					$this->lastURLError = $err['message'];
				} else {
					$this->lastURLError = $err;
				}
				if(preg_match('/404/', $this->lastURLError)){
					$this->set404();
				}

				return false;
			}
			if(! file_put_contents($tempfile, $img)){
				$this->error("Could not write to $tempfile.");
				return false;
			}
			return true;
		}

	}
	protected function serveImg($file){
		$s = getimagesize($file);
		if(! ($s && $s['mime'])){
			return false;
		}
		header ('Content-Type: ' . $s['mime']);
		header ('Content-Length: ' . filesize($file) );
		header ('Cache-Control: no-store, no-cache, must-revalidate, max-age=0');
		header ("Pragma: no-cache");
		$bytes = @readfile($file);
		if($bytes > 0){
			return true;
		}
		$content = @file_get_contents ($file);
		if ($content != FALSE){
			echo $content;
			return true;
		}
		return false;

	}
	protected function set404(){
		$this->is404 = true;
	}
	protected function is404(){
		return $this->is404;
	}
}