body 


  <body>
    <h1>Single Draggble</h1>
    <p>
      This demo demonstrates how to create draggable items. Try dragging items around. You can only drag one item at a time. Use <tt>right click > view source</tt> to see the underlying Javascript code.
    </p>
    <div id="box1" class="box">Blue</div>
    <div id="box2" class="box">Red</div>
    <div id="box3" class="box">Yellow</div>
    <div id="box4" class="box">Green</div>
  </body>