asp 自动弹出窗口

<script language="javascript">
/*
var openurl="Notice.html";
var title="特别公告";

function openwin()
{
window.open(openurl,title,'width=460,height=180,top=0,left=0,toolbar=yes,menubar=yes, scrollbars=yes, resizable=yes,location=yes, status=yes');
}

function openshow()
{
window.showModalDialog(openurl,title,'scroll:1;status:0;help:0;resizable:0;dialogWidth:460px;dialogHeight:180px');
}

if (navigator.appName == "Netscape")
{
openwin();
}else{
openshow();
}*/
</script>