PHP AJAX Drop down menu from Mysql data

[tusaar]

Hi all

I am in big need for a drop down menu created with php, mysql and ajax. Exactly, I need three drop down menu (Category, Subcategory and Item). The data of each drop down will come from Mysql.

Anybody can help me please.. I will be very much thankfull. Please help me and give me a proper solution for that ASAP.

Thanks

Tushar