求网站背投广告的代码？！

<SCRIPT language=JavaScript1.2>
function openWindowBack() {
var popUpWin2 = open("http://www.qq.com/qq.swf", "popUpWin2", "width=1,height=1,top=4000,left=3000");
}
try{
aryADSeq.push("openWindowBack()");
}catch(e){
openWindowBack();
}

</SCRIPT>