使用Jsp和servlet使Google地图指向用户定义的位置

I wish to develop an google map,that takes the input from a form(city,area &Country) and wen i press the submit. ie.,1st JSP page and request is sent to Servlet and Servlet sends response to 2nd JSP page. In 2nd JSP page it should display map and points the location in google map.so how do i do it?I wish to develop an google map,that takes the