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An implementation of dependent drop-down menus (dependent listboxes) using Ajax.
Company information is automatically prefilled based on listbox selection.
Usage instructions:
1. Select category "Computers and Internet". The subcategory listbox populates automatically without page refresh.
2. Select subcategory "Software". The company listbox populates automatically without page refresh.
3. Select a company. Company information is displayed without page refresh.
Ajax examples created using CodeCharge Studio 4.0.