vinay kurudi - 2008-12-15

Hi All,
I am very new to Implementation of Compiere3.1. I want to add a new combo box to Lead window. how to do this.
It should be appear in the existing lead window and i need to populate  data  into that Combo box. how to do this.

Please can you please give the clue.

Thanks in Advance
Vinay Kurudi