//获取页面的url参数的值
function GetQueryString(name) {
var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)");
var r = window.location.search.substr(1).match(reg);
if(r!=null)return unescape(r[2]); return null;
}
//获取父页面的url参数的值
function GetParentQueryString(name) {
var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)");
var r = window.parent.location.search.substr(1).match(reg);
if(r!=null)return unescape(r[2]); return null;
}