randimg.js

来自「实验室资源管理系统 实验室人事资料管理、实验室设备管理、实验课程管理及实验室软件」· JavaScript 代码 · 共 52 行

var imgUrl=new Array();
var imgLink=new Array();
var adNum=0;
var it=1;
imgUrl[it]="pic/01.jpg";
imgLink[it++]="sight.asp";
imgUrl[it]="pic/02.jpg";
imgLink[it++]="sight.asp";
imgUrl[it]="pic/03.jpg";
imgLink[it++]="sight.asp";
imgUrl[it]="pic/04.jpg";
imgLink[it++]="sight.asp";
imgUrl[it]="pic/05.jpg";
imgLink[it++]="sight.asp";
var imgPre=new Array();
var j=0;
for (i=1;i<=5;i++) {
 if( (imgUrl[i]!="") && (imgLink[i]!="") ) {
  j++;
 } else {
  break;
 }
}

function playTran(){
 if (document.all){
  document.imgInit.filters[0].play();
 }
}
function nextAd(){
 if(adNum<j)adNum++ ;
 else adNum=1;
 
 if (document.all){
  document.imgInit.filters[0].Transition=26;
  document.imgInit.filters[0].apply();
 }
 document.images.imgInit.src=imgUrl[adNum];
 playTran();
 theTimer=setTimeout("nextAd()", 3000);
}

function goUrl(){
 jumpUrl=imgLink[adNum];
 jumpTarget='_blank';
 if (jumpUrl != ''){
  if (jumpTarget != '') 
   window.open(jumpUrl,jumpTarget);
  else
   location.href=jumpUrl;
 }
}