function wpmp_barcode_widget($args) {
  extract($args);
  print $before_widget;
  if (($title = get_option('wpmp_barcode_title'))=='') {
    $title = __("Our mobile site", 'wpmp');
  }
  print $before_title . $title . $after_title;
  $size = get_option('wpmp_barcode_size');
  if(!is_numeric($size) && $size < 64) {
    $size = 190;
  } else {
    $size = floor($size);
  }
  
	$link = get_option('wpmp_barcode_link');
	
	//If the user hasn't specified a URL in the widget admin panel
	if (trim($link)=='') 
	{
		//Get the unique ID of this post http://codex.wordpress.org/Function_Reference/get_the_ID
		//We can use this to craft a shorter URL, thus making the QR code smaller and easier to scan.
		//http://example.com/?p=1234 rather than http://example.com/2010/01/05/some-title
		//Using http://codex.wordpress.org/Function_Reference/get_page
		$page_data = get_page( get_the_ID() );
		$link = $page_data->guid; //[guid] => (http://mydomain/?page_id={[ID]})
		
		//We need to add wpmp_switcher=true to force the mobile version if the switcher uses domain mapping.
		if (get_option('wpmp_switcher_mode') != 'browser' )
		{
			$link .= "&wpmp_switcher=mobile";
		}
	}




  $url = "http://chart.apis.google.com/chart?chs=" .
         $size . "x" . $size .
         "&cht=qr&choe=UTF-8&chl=" .
         urlencode($link);