JS广告代码 如 163 首页平铺瞬间消失flash广告

<script language="javascript">
<!--
var ads_agt=navigator.useragent.tolowercase();
var ads_is_major = parseint(navigator.appversion);

var ads_is_ie = ((ads_agt.indexof("msie") != -1) && (ads_agt.indexof("opera") == -1) && (ads_agt.indexof("omniweb") == -1));
var ads_is_ie3 = (ads_is_ie && (ads_is_major < 4));
var ads_is_ie4 = (ads_is_ie && (ads_is_major == 4) && (ads_agt.indexof("msie 5")==-1) && (ads_agt.indexof("msie 6")==-1));
var ads_is_ie4up = (ads_is_ie && (ads_is_major >= 4));
var ads_is_ie5 = (ads_is_ie && (ads_is_major == 4) && (ads_agt.indexof("msie 5.0")!=-1) );
var ads_is_ie5up = (ads_is_ie && !ads_is_ie3 && !ads_is_ie4);
var ads_is_ie5_1_macbeta = (ads_is_ie && (ads_agt.indexof("mac")!=-1) && (ads_agt.indexof("5.1b")!=-1));

var ads_is_nav = ((ads_agt.indexof(mozilla)!=-1) && (ads_agt.indexof(spoofer)==-1)
&& (ads_agt.indexof(compatible) == -1) && (ads_agt.indexof(opera)==-1)
&& (ads_agt.indexof(webtv)==-1));
var ads_is_nav6 = (ads_is_nav && (ads_agt.indexof("netscape6")!=-1) && (ads_agt.indexof("6.1")==-1));
var ads_is_nav6up = (ads_is_nav && !ads_is_nav4 && !ads_is_nav3 && !ads_is_nav2);
var ads_is_nav6_1 = (ads_is_nav && (ads_agt.indexof("netscape6")!=-1) && (ads_agt.indexof("6.1")!=-1));
var ads_is_nav6_1up = (ads_is_nav && !ads_is_nav6 && !ads_is_nav4 && !ads_is_nav3 && !ads_is_nav2);
 

getsglu = ((ads_is_ie5up && !ads_is_ie5_1_macbeta) || ads_is_nav6_1up);
 

//function changediv(depth)
//{
// divall.style.zindex=depth
// }
function changediv()
{
document.getelementbyid(hiddenlayer).style.display = "block";
document.getelementbyid(fsframe).src = adinterpath;
settimeout("hidediv()",5000)
}
function hidediv()
{
document.getelementbyid(hiddenlayer).style.display="none";
sytag=2;
}
function showfull()
{
settimeout("changediv()",2000);
}
showfull()
-->
</script>
<center>
<script language="javascript">
<!--
syfs=true
var adinterpath="power.gif"
if (document.all) {
// this is a 4.x browser, no?
document.write(<scri + pt language="javascript1.2");
document.writeln( src="js/topfullscreen.js"></scr + ipt>);
}
// -->
</script>
<div id="hiddenlayer" style="display: none; height: 500px;">
<script language="javascript">
<!--
if (getsglu) {
expandableiframe = <iframe id="fsframe" width=760 height=500 noresize scrolling=no frameborder=0 marginheight=0 marginwidth=0></iframe>;
document.write(expandableiframe);
}
// -->
</script>
</div>