var picarry = [
	"/uploadFiles/zmnsz21.jpg",
	"/images/m1.jpg",
	"/images/m2.jpg",
	"/images/m3.jpg"
], lnkarry = [
	"/composeNews.do?action=view&news_id=20211229001",
	"/jsp/product/zyzj8.jsp",
	"/jsp/product/zyzj8jssh.jsp",
	"/jsp/product/zysgzl2015.jsp"
], currslid = 0, slidint;

function setfoc(id){
	document.getElementById("focpic").src = picarry[id];
	document.getElementById("foclnk").href = lnkarry[id];

	currslid = id;
	for(var i=0;i<4;i++){
		document.getElementById("tmb"+i).className = "thubpic";
	};
	document.getElementById("tmb"+id).className ="thubpiccur";
	
	if(navigator.userAgent.indexOf("MSIE")>0) {
		document.getElementById("focpic").style.visibility = "hidden";
		if (document.getElementById("focpic").filters) {
			document.getElementById("focpic").filters[0].Apply();
		}
		if (document.getElementById("focpic").style.visibility == "visible") {
			document.getElementById("focpic").style.visibility = "hidden";
			document.getElementById("focpic").filters.revealTrans.transition=23;
		} else {
			document.getElementById("focpic").style.visibility = "visible";
			if (document.getElementById("focpic").filters) {
				document.getElementById("focpic").filters[0].transition=23;
			}
		}
		if (document.getElementById("focpic").filters) {
			document.getElementById("focpic").filters[0].Play();
		}
	} else {}
	stopit();
}

function playnext(){
	if (currslid == picarry.length - 1){
		currslid = 0;
	} else{
		currslid++;
	}
	setfoc(currslid);
	playit();
}

function playit(){
	slidint = setTimeout(playnext,4500);
}

function stopit(){clearTimeout(slidint);}

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