function downloadFile(fullpath, id) {
  if (typeof (dragTimeoutHandle) != "undefined" && dragTimeoutHandle) {
    clearTimeout(dragTimeoutHandle);
    if (dragFlag) {
      dragFlag = -1;
    }
  }
  var url = "/DownloadServlet/" + id + "?cx=" + cx + "&pg=dlFile1&cmd=dl&f=" + _escape(fullpath) + "&i=" + _escape(id);

  location = url;
}

function _escape(string){
  string = encodeURIComponent(string);
  return string.replace('+','%2B');
}