Tree Panel in Ext js

Question

Hi All,

I have make a control using coolite extjs toolkit for asp.net v 0.8

the control contains 2 Tree panel

and I enabled the drag and drop in both , I want to drag one node from tree to the other tree , I did the first part and define Move Listener to the nodes from first tree , and in the handler I saved the Id of the dragged node in hidden variable

but I don't know how to handle the second part , I want to drop the node under node of the other tree and save the id of the new parent in another variable

and then post back my page to be able to save the change to database

please help me as soon as you can

Thanks in Advance