Study and practice of a prototype system on electronic map interactive web site

A prototype system of electronic map interactive Web site from which data information of multi-dimension and multi-layer about the map information from 17 century to 19 century of China can be displayed and obtained has been studied, designed and practiced based on the techniques of Ajax and plug-in components ZoomMap. The functions of ZoomMap are expanded combining with an asynchronous communication mechanism of Ajax, and zoom of two layer map and an application function to display data information allowed keyin by user on map pager immediately is implemented.