function download($front = false) {
  
    global $mainframe;
    jimport('joomla.filesystem.file');
    $params = &JComponentHelper::getParams('com_k2');
    $id = JRequest::getInt('id');
    
    JPluginHelper::importPlugin('k2');
    $dispatcher = &JDispatcher::getInstance();
    $dispatcher->trigger('onK2Download');
    
    $attachment = &JTable::getInstance('K2Attachment', 'Table');
    $attachment->load($id);
    $path = $params->get('attachmentsFolder', NULL);
    if (is_null($path)) {
      $savepath = JPATH_ROOT.DS.'media'.DS.'k2'.DS.'attachments';
    } else {
      $savepath = $path;
    }
    $file = $savepath.DS.$attachment->filename;
    
    if (JFile::exists($file)) {
      if ($front)
        $attachment->hit();
      $len = filesize($file);
      $filename = basename($file);
  	  //
  	  //
  	  //
  	  //       Let's check the file extension for right Content-Type
  	  //
  	  //
      $file_extension = strtolower(substr(strrchr($filename,"."),1));
  
      //This will set the Content-Type to the appropriate setting for the file
      switch( $file_extension ) {
        case "pdf": $ctype="application/pdf"; break;
        case "exe": $ctype="application/octet-stream"; break;
        case "zip": $ctype="application/zip"; break;
        case "doc": $ctype="application/msword"; break;
        case "xls": $ctype="application/vnd.ms-excel"; break;
        case "ppt": $ctype="application/vnd.ms-powerpoint"; break;
        case "gif": $ctype="image/gif"; break;
        case "png": $ctype="image/png"; break;
        case "jpeg":
        case "jpg": $ctype="image/jpg"; break;
        case "mp3": $ctype="audio/mpeg"; break;
        case "wav": $ctype="audio/x-wav"; break;
        case "mpeg":
        case "mpg":
        case "mpe": $ctype="video/mpeg"; break;
        case "mov": $ctype="video/quicktime"; break;
        case "avi": $ctype="video/x-msvideo"; break;
  
        //The following are for extensions that shouldn't be downloaded (sensitive stuff, like php files)
       
  
        default: $ctype="application/force-download";
      }
	  
	  
	  
	  
	  
	  
      header("Pragma: public");
      header("Expires: 0");
      header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
      header("Cache-Control: private", false);
	  
      header("Content-Type: ".$ctype);
	  
      header("Content-Disposition: attachment; filename=".$filename.";");
      header("Content-Transfer-Encoding: binary");
      header("Content-Length: ".$len);
      readfile($file);
    } else {
      echo JText::_('File does not exist');
    }
    $mainframe->close();
    
  }