javascript 圖片自動輪換代碼

javascript 圖片自動輪換代碼

// JavaScript Document
var sPicArr = new Array();
var gIndex  = new Array();
var sid  = new Array();
var timeout = 6000;
var isIe = ('Microsoft Internet Explorer' == navigator.appName);
function initSlide(name,timeout1) {
 sPicArr[name] = new Array();
 gIndex[name]  = 0;
 sid[name] = null;
 if (timeout1) {
  timeout = timeout1;
 }
}
/*
content = new Array(圖片路徑,標題，URL);
*/
function initData(name, index, content) {
 sPicArr[name][index] = content;
 
}

function initFirst(name) {
 document.images[name + '_pic'].src = sPicArr[name][0][0];
 document.images[name + '_pic'].alt = sPicArr[name][0][1];
 $(name + '_picLink').href      = sPicArr[name][0][2];
 $(name + '_title').innerHTML     = sPicArr[name][0][1];
 $(name + '_title').href      = sPicArr[name][0][2];
}

function $(objName) {
 if(document.getElementById) {
  return eval('document.getElementById("' + objName + '")');
 } else if (document.layers) {
  return eval("document.layers['" + objName +"']");
 }else{
  return eval('document.all.' + objName);
 }
}
var plPic = new Image();
function SlidePic(name,index){
 gIndex[name] = index;

 if (isIe) {
  //document.images[name + '_pic'].filters.item(0).Transition = 12;
  document.images[name + '_pic'].filters.item(0).Apply();
 }

 document.images[name + '_pic'].src = sPicArr[name][index][0];
 document.images[name + '_pic'].alt = sPicArr[name][index][1];
 $(name + '_picLink').href      = sPicArr[name][index][2];
 $(name + '_title').innerHTML     = sPicArr[name][index][1];
 $(name + '_title').href      = sPicArr[name][index][2];

 if((index+1)<sPicArr[name].length) {
  plPic.src = sPicArr[name][index+1][0];//preload;
 }

 if (isIe) {
  document.images[name + '_pic'].filters.item(0).play();
 }
}

function NextPic(name) {
 gIndex[name] = ((gIndex[name]+1)>=sPicArr[name].length ? 0 : (gIndex[name]+1));
 SlidePic(name, gIndex[name]);
}

function PrevPic(name) {
 gIndex[name] = ((gIndex[name]-1)<0 ? (sPicArr[name].length-1) : (gIndex[name]-1));
 SlidePic(name, gIndex[name]);
}

function inislide(name) {
 if(sid[name]==null) {
  sid[name] = setInterval('NextPic("'+name+'")', timeout);
 }
}
function pauseslide(name) {
 clearInterval(sid[name]);
 sid[name] = null;
}