var currslid = 0;
var slidint;
function setfoc(id){
	focpic.filters[0].Apply();
	document.getElementById("focpic").innerHTML = '<a href="'+lnkarry[id]+'" target="_blank"><img src="'+picarry[id]+'" width="293px" height="180px" /> </a>';
	document.getElementById("fttltxt").innerHTML = '<a href="'+lnkarry[id]+'" target="_blank" style="color: #ff0000"><b>'+ttlarry[id]+'</b></a>';
	focpic.filters[0].Play();
	
	currslid = id;
	//此处 循环次数为小图数
	for(i=0;i< picNum+1 ;i++)
	{
	document.getElementById("tmb"+i).className = "thubpic";
	};
	document.getElementById("tmb"+id).className ="thubpiccur";
	
	stopit();
}

function playnext(){
//此处 currslid为大图到第几幅图再变成第一幅
	if(currslid==picNum){
		currslid = 0;
	}
	else{
		currslid++;
	};
	setfoc(currslid);
	playit();
}
function playit(){
	slidint = setTimeout(playnext,6000);
}
function stopit(){
	clearTimeout(slidint);
	}
window.onload = function(){
	playit();
}