高手请进。html+javascript+IBMwebshpere在jsp区没人能解的问题！

<script id="Sothink Widgets:PageletServer.DynamicMenu" LANGUAGE="JavaScript1.2">
BlankImage=new Image();
BlankImage.src="/cqrs/second/_pgtres/blank.gif";
var Opera=(navigator.userAgent.indexOf("Opera")!=-1)?1:0;
var Opera6=(navigator.userAgent.indexOf("Opera 6")!=-1)?1:0;
var Konqueror=(navigator.userAgent.indexOf("Konqueror")!=-1)?1:0;
var NS4=(document.layers)?1:0;
var IEMac=0;
if ((navigator.appVersion.indexOf("Mac") != -1) && !NS4)
IEMac=1;
var IEver4=0;
if (document.all)
{
var vers=navigator.appVersion;
if (vers.substring(0,1)=="4")
IEver4=1;
}
var IEMac4=0;
if ((IEMac==1) && (IEver4==1))
IEMac4=1;
var NS6=0;
if (!NS4 && !IEver4)
NS6=(document.getElementsByTagName("*") && !document.all)?1:0;
var EnableDMenu=(NS4||NS6||IEver4||Opera6);
var _tempStr_="<scrip";
_tempStr_+="t type=\"";
_tempStr_+="text/javascript\" src=\"";
if(Opera6)
_tempStr_+="/cqrs/second/_pgtres/stm30op6.js";
else if(NS6)
_tempStr_+="/cqrs/second/_pgtres/stm30nn6.js";
else if(IEver4)
_tempStr_+="/cqrs/second/_pgtres/stm30ie4.js";
else
_tempStr_+="/cqrs/second/_pgtres/stm30uns.js";
_tempStr_+="\"></scr";
_tempStr_+="ipt>";
document.write(_tempStr_);
</script>