We want to help to resolve some issue regarding google map. we have already working with this project but some issue we cant handle for eg. We want update current location of user every 5 seconds and location is also updated but same time google map is refreshing we cant handle the refreshing issue of google map. we want to solve this issue. also the changes will not cause the other functionallity of google map. The knowledge is related to javascript ajax and asp.net and update panel.