ie ff js 对象.filters[0].Apply(); 兼容性问题？
function display(a)
{
document.getElementById(a).className="selected";
}
function hide(a)
{
document.getElementById(a).className="";
}
function displayList(ulID,index)
{
var UlObj=document.getElementById(ulID);
if(UlObj!=null)
{
var liList = UlObj.getElementsByTagName("li");
for (var n=0;n<liList.length;n++)
{
if(n==index)
liList[n].className="selected";
else
liList[n].className="noselected";
}
}
}
function hideList(a)
{
document.getElementById("List"+a).className="noselected";
}
function displayList1(a)
{
for (var n=11;n<21;n++)
{
document.getElementById("List"+n).className="noselected";
}
document.getElementById("List"+a).className="selected";
}
function hideList1(a)
{
document.getElementById("List"+a).className="noselected";
}

var currslid = 0;
var slidint;
var picarry = {};
var txtarry = {};
function $(id) { return document.getElementById(id); }

function setfoc(id){
if(!$('ifocus')) return false;
var iFocusBtns = $('ifocus_btn').getElementsByTagName('li');
var FocImg=$('ctl00_main_focpic');
var iFocusTxs = $('ctl00_main_ifocus_tx');
for(i=0;i<iFocusBtns.length;i++){
iFocusBtns[i].className = "normal";
};

FocImg.src = picarry[id];
currslid = id;

iFocusBtns[id].className ="current";
FocImg.style.visibility = "hidden";

//FocImg.filters[0].Apply(); //ff no


if (FocImg.style.visibility == "visible") {
FocImg.style.visibility = "hidden";
FocImg.filters.revealTrans.transition=23;
}
else {
FocImg.style.visibility = "visible";

// FocImg.filters[0].transition=23; //ff no
}

//FocImg.filters[0].Play(); //ff no

iFocusTxs.innerHTML=txtarry[id];
stopit();
}

function playnext(){
if(currslid==3){
currslid = 0;
}
else{
currslid++;
};
setfoc(currslid);
playit();
}
function playit(){
setTimeout(playnext,10000);
}
function stopit(){
slidint =clearTimeout(slidint);
}
window.onload = function(){
playit();
}



//ff no 表示火狐不能运行 请各路朋友帮忙解决下 在些谢过了

[解决办法]
filters[0] 这个事滤镜吗？？？FF不支持 哦 亲
[解决办法]
判断ie的话可以
if(document.body.attachEvent){

}
FF不支持滤镜 放弃吧 亲 哈
[解决办法]
换透明滤镜吧。。参考这个javascript图片卷帘/淡入淡出效果
[解决办法]
哥 2012年了 还用原生js写？现在js框架满天飞，兼容性都帮你做好了，可以考虑入手jquery