//初始化
var def="1";
function mover(object){

  for (i=1;i<12;i++)
       {
		var tt=document.getElementById("s_"+i);
		tt.style.display="none";
	   }
 //子菜单
 var ss=document.getElementById("s_"+object);
 ss.style.display="block";
 //初始子菜单先隐藏效果
 if(def!=0){
   var sdef=document.getElementById("s_"+def);
   sdef.style.display="none";
 }
}

function mout(object){

 //子菜单
 var ss=document.getElementById("s_"+object);
 ss.style.display="none";
 //初始子菜单还原效果
 if(def!=0){
   var sdef=document.getElementById("s_"+def);
   sdef.style.display="block";
 }
}