I am basically looking for a country, state/province, and city/area drop down lists to modify an existing search function on my website and Integrated in the sign up prcess. The values will be populated from a database which in turn, is populated from user input when they add a listing. I want the drop down lists to be dependent on each other - for instance, I do not want to be able to select a state/province if I have not selected a country yet. So when you select a country, the state dropdown list becomes unshadowed, and once you select a state, then the city/area becomes unshadowed. Also, if the user selects United States, then they can have the option to search by zip code as well. the script should be also be able to auto-select the visitors country. this have to be integreted in sign up process and search function of my website ( /) and the script will be embeded into social engine script ( /) if possible can be integrated as a Plugin Desired Skills: MySQL AJAX PHP Zend Keywords: Database Development, AJAX, MySQL, PHP, Zend