var which=0
var pic_div=window.document.getElementById("pic_div");

pic_div.innerHTML=('<img src="'+photos[0]+'" id="photoslider" style="filter:revealTrans(duration=2,transition=23)" border=0>')

var photoslider=window.document.getElementById("photoslider");
photoslider.title=photostitle[0];
photoslider.onclick=function(){if(photoslink[0]!=""){window.open(photoslink[0])}}
photoslider.onmouseover=function(){stopShow()}
photoslider.onmouseout=function(){Show()}

function applyeffect(){
if (document.all){
photoslider.filters.revealTrans.Transition=Math.floor(Math.random()*23)
photoslider.filters.revealTrans.stop()
photoslider.filters.revealTrans.apply()
}
}
function playeffect(){
if (document.all)
photoslider.filters.revealTrans.play()
}

function gotopic(value){
applyeffect()
document.images.photoslider.src=photos[value]
photoslider.title=photostitle[value];
photoslider.onclick=function(){if(photoslink[value]!=""){window.open(photoslink[value])}}
playeffect()
}

function forward(){
if (which<photos.length-1){
which++
applyeffect()
document.images.photoslider.src=photos[which]
photoslider.title=photostitle[which];
photoslider.onclick=function(){if(photoslink[which]!=""){window.open(photoslink[which])}}
playeffect()
}
}

var j;	//图片索引编号
var picNum;	//图片数量
var picTime;	//定义计时器
var delayTime;	//图片切换延
function Show() {
	j = 0;	//因为第一张图片在网加载时已经显示出来，所以此处从第二张图片开始计时显示
	delayTime = 4000;	//图片切换延时，单位：毫秒
	picNum = photos.length;	//图片数量	
	picTime = setInterval("Timer()",delayTime);	//自动开始播放	
}
function stopShow() {
	window.clearInterval(picTime);
}
//计时器
function Timer() {
	forward();
	j++;
	if(j == picNum) {
		j=0;
		which = -1;
	}
}
Show();