function curlUploadFile()
 {
     $ch = curl_init();
     curl_setopt($ch, CURLOPT_URL, $this->uploadURL);
     curl_setopt($ch, CURLOPT_POST, 1);
     curl_setopt($ch, CURLOPT_POSTFIELDS, $this->postParams);
     curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
     curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
     curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
     $postResult = curl_exec($ch);
     if ($postResult === false) {
         return 'Curl error/' . curl_error($ch);
     } else {
         return $postResult;
     }
     curl_close($ch);
     JFactory::getAppplication()->close();
 }