function $(v){return document.getElementById(v)} 
var img = $("myshow").getElementsByTagName("div"); 
var text = $("myinfo").getElementsByTagName("div");

var now = 1; 
var def = 0;

var count = 5;           //设置数量             
var speed = 3000;        //3秒更换一张

for(var i=0;i<count;i++ ){ 
    //img   
    img[i].style.display = "none"; 
    img[i].onmouseover = function(){clearAuto()} 
    img[i].onmouseout = function(){setAuto()} 
	 
    //text  
    text[i].style.display = "none"; 
    text[i].onmouseover = function(){clearAuto()} 
    text[i].onmouseout = function(){setAuto()} 
} 

img[def].style.display = "block"; 
text[def].style.display = "block"; 


var auto = '';   
  
function setImg(v){     
    try{ 
        with (bimg){ 
            filters[0].Apply();  
            for(var i=0;i<count;i++){ 
                img[i].style.display = "none";     
                text[i].style.display = "none";    

            }     
            img[v].style.display = "block"; 
            text[v].style.display = "block";          

            filters[0].play();      
        } 
    } 
    catch(e){         
        for(var i=0;i<count;i++){ 
            img[i].style.display = "none";     
            text[i].style.display = "none"; 
        }             
        img[v].style.display = "block"; 
        text[v].style.display = "block"; 
    } 
} 

function changeBar(v){ 
    setImg(v); 
    
	now = v+1;
}  

function setChange(){ 
	
    if(now<count){ 
        changeBar(now);         
        } 
    else{ 
        now = 0; 
        changeBar(now); 
    } 
} 
function setAuto(){ auto = setInterval("setChange()", speed)} 
function clearAuto(){clearInterval(auto)} 
setAuto();