text: //grabbed from the mozilla developer network
  
  var dropbox;
  dropbox = document.getElementById("dropbox");
  dropbox.addEventListener("dragenter", dragenter, false);
  dropbox.addEventListener("dragover", dragover, false);
  dropbox.addEventListener("drop", drop, false);
  
  function dragenter(e) {
      e.stopPropagation();
      e.preventDefault();
  }
  
  function dragover(e) {
      e.stopPropagation();
      e.preventDefault();
  }
  
  function drop(e) {
      e.stopPropagation();
      e.preventDefault();
  
      var dt = e.dataTransfer;
      var files = dt.files;
      document.getElementById('input-file').files = files
  }
  