///建立XmlHttpRequest对象
function GetHttpObject()
{
    var XHRequest = false;
    try{ XHRequest = new XMLHttpRequest(); }
    catch(trymicrosoft)
    {
        try{ XHRequest = new ActiveXObject("MSXML2.XMLHTTP.3.0"); }
        catch(othermicrosoft)
        {
            try{ XHRequest = new ActiveXObject("Microsoft.XMLHTTP"); }
            catch(failed)
            { XHRequest = false; }
        }
    }
    if (!XHRequest)
    { alert("创建对象失败，请刷新页面重试"); }
    return XHRequest;
}
///获取URL参数///
function getArgs()
{
    var args = new Object( );
    var query = document.location.search.substring(1);//获取查询字符串
    var pairs = query.split("&");//分割符
    for(var i = 0; i < pairs.length; i++)
    {
        var pos = pairs[i].indexOf('=');//查找"name=value"
        if (pos == -1) continue;//如果没找到则跳过
        var argname = pairs[i].substring(0,pos);//变量名称
        var value = pairs[i].substring(pos+1);//获取变量
        value = decodeURIComponent(value);//解码
        args[argname] = value;//存入数组
    }
    return args;//返回对象
}