text: var previewNode = document.querySelector("#template");
  previewNode.id = "";
  var previewTemplate = previewNode.parentNode.innerHTML;
  previewNode.parentNode.removeChild(previewNode);
  
  var myDropzone = new Dropzone(document.body, { // Make the whole body a dropzone
    url:"http://douq.vn/target-url", // Set the url
    thumbnailWidth: 80,
    thumbnailHeight: 80,
    parallelUploads: 20,
    previewTemplate: previewTemplate,
    autoQueue: false, // Make sure the files aren't queued until manually added
    previewsContainer: "#previews", // Define the container to display the previews
    clickable: ".fileinput-button" // Define the element that should be used as click trigger to select files.
  });
  
  myDropzone.on("addedfile", function(file) {
    // Hookup the start button
    file.previewElement.querySelector(".start").onclick = function() { myDropzone.enqueueFile(file); };
  });
  
  // Update the total progress bar
  myDropzone.on("totaluploadprogress", function(progress) {
    document.querySelector("#total-progress .progress-bar").style.width = progress + "%";
  });
  
  myDropzone.on("sending", function(file) {
    // Show the total progress bar when upload starts
    document.querySelector("#total-progress").style.opacity = "1";
    // And disable the start button
    file.previewElement.querySelector(".start").setAttribute("disabled", "disabled");
  });
  
  // Hide the total progress bar when nothing's uploading anymore
  myDropzone.on("queuecomplete", function(progress) {
    document.querySelector("#total-progress").style.opacity = "0";
  });
  
  // Setup the buttons for all transfers
  // The "add files" button doesn't need to be setup because the config
  // `clickable` has already been specified.
  document.querySelector("#actions .start").onclick = function() {
    myDropzone.enqueueFiles(myDropzone.getFilesWithStatus(Dropzone.ADDED));
  };
  document.querySelector("#actions .cancel").onclick = function() {
    myDropzone.removeAllFiles(true);
  };