title: click on input box to show open file dialog but not click on choose file button
body: <p>I have an input box and I want user to click on the input box to show the open file dialog and show the filename in the same input box. But if I use the input type="file", it will show the "choose file button", I dont wan to show the button. How can I do it?</p>
  
  <p>html:</p>
  
  <pre><code>&lt;div class="fileupload"&gt;
      &lt;input type="file" class="file" name="image" /&gt;
  &lt;/div&gt;
  
  &lt;div class="fileupload"&gt;
      &lt;input type="file" class="file" name="attachement" /&gt;
  &lt;/div&gt;
  </code></pre>
  
  <p><a href="http://jsfiddle.net/EctCK/">http://jsfiddle.net/EctCK/</a>
  ** I dont wan this, how do I hide the choose file button?</p>