// JScript 文件




function setFocus2a(n,m)
{ selectLayer2a(n,m);}

function selectLayer2a(num,m){ 
for(var id = 1;id<=m;id++)
{
var ss="divaa"+id; 
if(id==num) 
document.getElementById(ss).style.display="block";
else 
document.getElementById(ss).style.display="none"; 
if(num%4==0)
{
   var dd="divaa"+num;
   document.getElementById(dd).style.marginLeft="-380";
}
if(num%4==0)
{
   var dd="divaa"+num;
   document.getElementById(dd).style.marginLeft="-380";
}


}

}



function setFocus1a(n)
{ selectLayer1a(n);}

function selectLayer1a(num){ 
var ss="divaa"+num; 
document.getElementById(ss).style.display="none"; 
}

function selectLayer3a(num){ 
var ss="divaa"+num; 
document.getElementById(ss).style.display="block"; 
}