// JavaScript Document
var pic_n=0;
var showImg = document.getElementById("bigImg");
var showNum = document.getElementById("thumbImg");
var ie = document.all?true:false;
function Mea(value){
	pic_n=value;
	setBg(value);
	pic_plays(value);
}
function setBg(value){
	for(var i=0;i<4;i++)
		if(value==i){showNum.getElementsByTagName("div")[i].className='cur';}
		else{showNum.getElementsByTagName("div")[i].className='normal';} 
	}
function pic_plays(value){
	if(ie){with (bigImg){
		filters[0].Apply();
		for(i=0;i<4;i++)i==value?showImg.getElementsByTagName("div")[i].className='dis':showImg.getElementsByTagName("div")[i].className='undis';
			filters[0].play();  
		}
	}else{
		for(i=0;i<4;i++){i==value?showImg.getElementsByTagName("div")[i].className='dis':showImg.getElementsByTagName("div")[i].className='undis';}
		}
	}            
function clearAuto(){clearInterval(autoStart)}
function setAuto(){autoStart=setInterval("auto(pic_n)", 3000)}
function auto(){
	pic_n++;
	if(pic_n>3)pic_n=0;
	Mea(pic_n);
}