MapTrack_BS(WebServer) is a large GPS vehicle management and tracking system,based on MapXtreme, GoogleMap, Virtual Earth, this system include server software and client software. Server software installed on a computer(server computer) that have fixed IP, WINDOWS 2000 SERVER or above, SQL SERVER 2000 , .NET framework. Don't need to install any software in client,only IE or FireFox,user can login into remote server at any computer with user and password. it can real-time control and management vehicles. Is the best choice for you.(GPRS) User management at different levels (super-users, normal users, limited users) Group management for vehicles Support MapInfo, GoogleMap, VirtualEarth,51Map real-time tracking of vehicles Real-Time display state of hardward(ACC, door check, drive time, vehicle's battery voltage etc) Setup setting of tracking device(track mode and alarm setup etc)