GMap2未定义（偶尔），很奇怪啊。。。
webbroswer执行本地脚本的时候有时候（很少的情况）会出现GMap2未定义的错误懂googlemap 给看看
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" xmlns:v="urn:schemas-microsoft-com:vml"> <head> <meta http-equiv="content-type" content="text/html;"/> <title>google map</title> <script src="http://maps.google.com/maps?file=api&v=2&key=ABQIAA" type="text/javascript" charset="utf-8"></script> <script type="text/javascript">... function initialize(Arraylat,Arraylon) { if (flag == "1") { var map = new GMap2(document.getElementById("map_canvas")); window.map1=map; map.... } }</script>......