if(navigator.appName == "Microsoft Internet Explorer"){
      newLI.appendChild(newText);
      newUL.appendChild(newLI);
      location.appendChild(newUL);
      var button1 = "<button onclick = \'" +  dirButtonEvent + "\'>" + dirText +
                    "</button>"
      var button2 = "<button onclick = \'" + fileButtonEvent + "\'>" +
                    fileText + "</button>"
      var button3 = "<button onclick = \'" + removeButtonEvent + "\'>" +
                    removeText + "</button>"
      newLI.innerHTML = dirName + button1 + button2 + button3
   }
else{
      //set the onclick attributes
      newDirButton.setAttribute("onClick", dirButtonEvent);
      newFileButton.setAttribute("onClick", fileButtonEvent);
      newRemoveButton.setAttribute("onClick", removeButtonEvent);

      //append the text and button nodes to li, and then append li to the ul
      newLI.appendChild(newText);
      newLI.appendChild(newDirButton);
      newLI.appendChild(newFileButton);
      newLI.appendChild(newRemoveButton);
      newUL.appendChild(newLI);
      location.appendChild(newUL);
   }