Drag-n-drop into tree

Try to drag any element and drop it on the tree
Some text
Source
 
  <link rel="STYLESHEET" type="text/css" href="../../codebase/dhtmlxtree.css">
<script  src="../../codebase/dhtmlxcommon.js"></script>
<script  src="../../codebase/dhtmlxtree.js"></script>    
<script  src="../../codebase/ext/dhtmlxtree_dragin.js"></script>    
   <table>
  <tr>
     <td>
        <div id="treeboxbox_tree" style="width:260px; height:260px;background-color:#f5f5f5;border :1px solid Silver;; "/>
     </td>
     <td>
<div style="padding-left:50px;" onselectstart="return false;">
<div id="a0">Some text</div> <br/>
<div id="a1" text="Red" ><div style='width:50px; height:20px; background-color:red;'>&nbsp;</div></div> <br/>
<div id="a2" text="Green" ><div style='width:50px; height:20px; background-color:green;'>&nbsp;</div></div><br/>
<div dragInDhtmlXTree="true"  id="a3" text="Blue" ><div style='width:50px; height:20px; background-color:blue;'>&nbsp;</div></div><br/>
<div dragInDhtmlXTree="true"  id="a4" image="folderOpen.gif" text="Open"><div  style="background-image:url(../../codebase/imgs/csh_bluefolders/folderOpen.gif); width:16px; height:16px;font-size:5px;">&nbsp;</div></div><br/>
<div dragInDhtmlXTree="true"  id="a5" image="folderClosed.gif" text="Closed"><div style="background-image:url(../../codebase/imgs/csh_bluefolders/folderClosed.gif); width:18px; height:18px;font-size:5px;">&nbsp;</div></div><br/>
</div>
     </td>
  </tr>
   </table>
<br><br>
<br><br>
   <script>tree = new dhtmlXTreeObject("treeboxbox_tree", "100%", "100%", 0);
tree.setSkin('dhx_skyblue');
tree.setImagePath("../../codebase/imgs/csh_scbrblue/");
tree.enableDragAndDrop(true);
tree.loadXML("../common/tree_a.xml");</script>
<br><br>
 
<style>
    div.alfa{
        margin-top:10px;
        margin-left:50px;
    }
</style>
<script>function onLoad() {
    tree.makeDragable("a0");
    tree.makeDragable("a1");
    tree.makeAllDraggable();
    tree.makeDragable("a2", function(drop_obj, source_id, target_on, target_before) {
        drop_obj.insertNewItem(target_on, source_id, "Green 1");
        drop_obj.insertNewItem(target_on, source_id, "Green 2");
        drop_obj.insertNewItem(target_on, source_id, "Green 3");
    });
}</script>