function $(id,tag){var re=(id&&typeof id!="string")?id:document.getElementById(id);if(!tag){return re;}else{return re.getElementsByTagName(tag);}}  

function FocusImg(focbox,picobj,numbox,numobj,time){  

var n=0;  

var imglist=$(focbox,picobj);  

var Num=$(numbox,numobj);  

function setBg(value){  for(var i=0;i<Num.length;i++) Num[i].className=(value==i)?"on":"";}  

function plays(value){  

if(document.all) $(focbox).filters[0].Apply();  

for(i=0;i<Num.length;i++){i==value?imglist[i].style.display="block":imglist[i].style.display="none";}  

if(document.all) $(focbox).filters[0].play();  

}  

function mouse(n){  

    for(var i=0;i<Num.length;i++){  

        (function(n){  

        Num[i].onmouseover=imglist[i].onmouseover=function(){clearInterval(autoStart);Mea(n);}  

        Num[i].onmouseout=imglist[i].onmouseout=function(){setAuto();}  

        })(i);  

    }  

}  

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

function auto(){n++;if(n>Num.length-1)n=0;   Mea(n);}  

function setAuto(){autoStart=setInterval(function(){auto();},time)}  

setAuto();  

}