Adding Drop-Down style for Country/Regions/States/Cities selector to Magento plus UI to add/mod/del Country/Regions/Cities

[ Introduction ] We want to show a drop-down list selector at the front-end for our Magento (1.7.0.2) visitors in every dialog (Shipping Estimate, Shipping Address, etc) where its asks for Country/State/City In order to use it with Product Matrix Shipping Extension by WebShopApps Extension. [ Project Scoop ] This is meant for VISITORS-FRONT-END, Region/State and Cities must be inserted in Magento native code to work with “Product Matrix” Shipping Extension from WebShopApps, this is because every Region/State and City is being used by the CVS files containing the Shipping Charges that will be used later with this Extension, please check the Screenshots to understand better the “Product Matrix” extension ([login to view URL]). You must also provide User Interface (UI) to allow further ADD/MOD/DEL Countries/States-Providences/Cities , the drop-down must work as well as for native Magento functionality after use this UI. No design changes at all must be made, not core files mod, only the drop-down feature must be made to avoid problems with further Extensions. The City Label must be: City/Comuna The State/Providence Label must be: State/Providence/Region * FRONT-END and BACK-END (Labels) [ functionality ] Once Country is selected, then Region/State drop-down should be available and once you select the desired Region/State the City drop-down is enabled for selection) if “ ñ ” or “ ´ ”characters causes conflict at DB they must be changed for “n” an/or avoid the “ascents”. Complete Name must visualize at the drop-down without change default Magento size dialog style [ [login to view URL] ] All the following Region/States belong to Chile, first line is the Region/State name followed by his Cities names, Region/State sort order must be respected, for Cities ABC sort must be used. (same functionality for UI) [ [login to view URL] ] Provided for visualize example Milestones 1 Provide working DEMO in your Site (Drop-Down and add/mod/del UI) Milestone 2 Provide working DEMO w/Product Matrix by WebShopApps Milestone 3 Migrate working configuration to my Magento CE 1.7.0.2 Useful links: [login to view URL] (Product Matrix by WebShopApps) [login to view URL]