js运行时错误，缺少对象

RT，请各位帮忙看下，这错误应该怎么解决！
2个地方报缺少对象的错误，其中有个第0行，我晕
第73行的代码如下
    <html>
    <head>
        <script type="text/javascript" src="swfobject.js"></script>
        <script language="javascript" type="text/javascript">
        
</script>
    </head>    <body topmargin=0 leftmargin=0>
        <div id="box" align="center" style="border:none">            <div id="game" align="center" style="border:none">
            </div>
        </div>
        <script type="text/javascript"> function getParamValueInHref(paramName,hrefStr)
{
var queryStr = hrefStr;
if(queryStr!=null && queryStr.indexOf("?")!=-1)
{
queryStr = queryStr.substring(queryStr.indexOf("?")+1);
var paramlist = queryStr.split("&");
queryStr = "";
for(var i=0;i<paramlist.length;i++)
{    if(paramlist[i].indexOf("=")==-1)
   continue;
   var tparamName = paramlist[i].substring(0,paramlist[i].indexOf("="));
   if(tparamName==paramName)
   {
   queryStr = decodeURIComponent(paramlist[i].substring(paramlist[i].indexOf("=")+1));
   break;
   }
}
}
else
{
queryStr = "";
}
return queryStr;
} function openChargeWindow()
{
window.open("http://pay.kuaikuai.cn/pay/paytype.action?cooperationCode=kk_lequ&uid=" + getParamValueInHref("mnick", location.href));
} function sendSNSEvent(eventId, eventJsonData)
{
//alert("sendSNSEvent eventId:" + eventId + " eventJsonData:" + eventJsonData);
parent.rep(eventId, eval("(" + eventJsonData + ")"));
}
                
                var so2 = new SWFObject("fgloader.swf?" + getParamValueInHref("sid", location.href), "customRightClick", "760", "560", "10", "#FFFFFF");
                so2.addParam("quality", "high");
                so2.addParam("name", "customRightClick");
                so2.addParam("id", "customRightClick");
                so2.addParam("AllowScriptAccess", "always");
                so2.addParam("allowFullScreen", "true");
                //so2.addParam("wmode", "opaque");
so2.addParam("wmode", "transparent");
                so2.addParam("menu", "false");
so2.addVariable("mnick", getParamValueInHref("mnick", location.href));
so2.addVariable("key", getParamValueInHref("key", location.href));
so2.addVariable("site", getParamValueInHref("site", location.href));
                so2.addParam("scale", "scale");
                so2.useExpressInstall("expressinstall.swf");
                [b]so2.write("game");       //  这里是第73行！！！！！！！！！！
loadCall();
        </script>
    </body>
    </html>