var currslid = 0;
var slidint;
window.onload =	playit;

function setfoc(id){
	var focpictest=document.getElementById("focpic");
	focpictest.src = picarry[id];
	var foclnktest=document.getElementById("foclnk");
	foclnktest.href=lnkarry[id];
	
	currslid = id;
	
	for(var i=0;i<3;i++){
		//document.getElementById("tmb"+i).className = "thubpic";
		var tmbtest=document.getElementById("tmb"+i);
		tmbtest.className="thubpic";
	}
	//document.getElementById("tmb"+id).className ="thubpiccur";
	var tmbtwo=document.getElementById("tmb"+id);
	tmbtwo.className="arrow";
	
	
	headimg('0'+(id+1));
	
	focpic.style.visibility = "hidden";
	focpic.filters[0].Apply();
	
	if (focpic.style.visibility == "visible") {
		focpic.style.visibility = "hidden";
		focpic.filters.revealTrans.transition=23;
	}
	else {
		focpic.style.visibility = "visible";
		focpic.filters[0].transition=23;
	}
	
	focpic.filters[0].Play();
	stopit();
	
}
function headimg(thisa)
		{
			
			var show1=document.getElementById('headshow1');
			var show2=document.getElementById('headshow2');
			var show3=document.getElementById('headshow3');
			var message=document.getElementById('titleshow');
			//var showimg=document.getElementById('focpic');
			if(thisa=='01')
			{
			
				show1.style.display='';
				show2.style.display='none';
				show3.style.display='none';
				
				message.innerHTML='安全技术和动态通告服务';
				
			}
			else if(thisa=='02')
			{
				show1.style.display='none';
				show2.style.display='';
				show3.style.display='none';
				message.innerHTML='安全评估服务';
			}
			else if(thisa=='03')
			{
				show1.style.display='none';
				show2.style.display='none';
				show3.style.display='';
				message.innerHTML='紧急响应服务';
			}
			
			//showimg.src="images/"+thisa.name+".jpg";
		}
function playnext(){
	if(currslid==2){
		currslid = 0;
	}
	else{
		currslid=currslid+1;
	}
	setfoc(currslid);
	playit();
}
function playit(){
	slidint = setTimeout("playnext()",3500);
}
function stopit(){
	clearTimeout(slidint);
	}