var picarry = {};
var lnkarry = {};
var ttlarry = {};
var currslid = 0;
var slidint;
function setfoc(id) {
    
	currslid = id;
	
	document.getElementById("focpict").style.visibility = "hidden";
	document.getElementById("focpict").src = picarry[id];
	//alert(document.getElementById("focpict").filters);
	if(document.getElementById("focpict").filters) { //ie浏览器支持
		document.getElementById("focpict").filters[0].Apply();
		if (document.getElementById("focpict").style.visibility == "visible") {
			document.getElementById("focpict").style.visibility = "hidden";
			//document.getElementById("focpict").filters.revealTrans.transition = 23;
		} else {
			document.getElementById("focpict").style.visibility = "visible";
			//document.getElementById("focpict").filters[0].transition = 23;
		}
		document.getElementById("focpict").filters[0].Play();
	} else {
		if (document.getElementById("focpict").style.visibility == "visible") {
			document.getElementById("focpict").style.visibility = "hidden";
		} else {
			document.getElementById("focpict").style.visibility = "visible";
		}
	}

	stopit();
}

function playnext(){
	if(currslid==3){
		currslid = 0;
	} else{
		currslid++;
	}
	setfoc(currslid);
	playit();
}

function playit(){
	//slidint = setTimeout(playnext, 100);
}

function stopit(){
	clearTimeout(slidint);
}

//初始化方法
function vinit() {
	var total = 28; //总共多少和图片
	var randomIndex = parseInt(Math.random()*total+1); //页面初次加载随机的标识符
	for(i=1; i<=28; i++) {
		picarry[i] = "/page/main620/images/img-pho/0"+i+".jpg";
		ttlarry[i] = "焦点图片";
		//document.getElementById("sImg"+i).src = "/page/main2/images/img-pho/00"+randomIndex+".jpg";

	}
    document.getElementById("focpict").src = picarry[randomIndex];
	//alert(document.getElementById("focpic").src );
}

window.onload = function(){
	vinit();
	playit();
}