大家好,我是ASP的初学者,看代码的时候看到 首页中往往有下面这段代码,我一直很困惑,不知道这是干什么的?有什么作用?请大家指教。
多谢大家了
<SCRIPT language=JavaScript>
function MM_reloadPage(init) { //reloads the window if Nav4 resized
if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==3)) {
document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);
// BannerAD
var bannerAD=new Array();
var bannerADlink=new Array();
var adNum=0;
bannerAD[0]="pic/1.gif";
bannerAD[1]="pic/2.gif";
bannerAD[2]="pic/3.gif";
bannerAD[3]="pic/4.gif";
var preloadedimages=new Array();
for (i=1;i<bannerAD.length;i++){
preloadedimages[i]=new Image();
preloadedimages[i].src=bannerAD[i];
}
function setTransition(){
if (document.all){
bannerADrotator.filters.revealTrans.Transition=Math.floor(Math.random()*23);
bannerADrotator.filters.revealTrans.apply();
}
}
function playTransition(){
if (document.all)
bannerADrotator.filters.revealTrans.play()
}
function nextAd(){
if(adNum<bannerAD.length-1)adNum++ ;
else adNum=0;
setTransition();
document.images.bannerADrotator.src=bannerAD[adNum];
playTransition();
theTimer=setTimeout("nextAd()", 4000);
}
function MM_preloadImages() { //v3.0
var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
//-->
</SCRIPT>