//初始化当前图片数
var n=0;
//初始化图片总数
var picAmount=$("num").getElementsByTagName("div").length;


function Mea(value){
	n=value;
	setBg(value);
	setjt(value);
	plays(value);
}

function setBg(value){

	for(i=0;i<picAmount;i++){
		if(value==i){
			$("num").getElementsByTagName("div")[i].className='imgbor2'
		}else{
			$("num").getElementsByTagName("div")[i].className='imgbor3';
		}
	}
}

function setjt(value){
	for(var i=0;i<picAmount;i++){
		if(value==i){
			$("num").getElementsByTagName("td")[i].className='s';
		}else{
			$("num").getElementsByTagName("td")[i].className='';
		}
	}
}

function plays(value){
	try
	{
		with (fc)
		{
			filters[0].Apply();
			for(i=0;i<picAmount;i++)i==value?children[i].style.display="block":children[i].style.display="none";
			filters[0].play();
		}
		with (con)
		{
			filters[0].Apply();
			for(i=0;i<picAmount;i++)i==value?children[i].style.display="block":children[i].style.display="none";
			filters[0].play();
		}
	}
	catch(e)
	{
		var divlist = $("fc").getElementsByTagName("div");
		var textlist = $("con").getElementsByTagName("div");
		for(i=0;i<picAmount;i++)
		{
			i==value?divlist[i].style.display="block":divlist[i].style.display="none";
			i==value?textlist[i].style.display="block":textlist[i].style.display="none";
		}
	}

	
}


function clearAuto(){
	clearInterval(autoStart)
}
function setAuto(){
	autoStart=setInterval("auto(n)",3000)
}
function auto(n){
	n++;
	if(n>picAmount-1){n=0}
	Mea(n);
}

setAuto();