function menu(num)
{
//子栏样式
 for(var id = 0;id<=9;id++)
 {
  var ss="child"+id;
  if(id==num)
  {
  document.getElementById(ss).style.display="block";  
  }else
  document.getElementById(ss).style.display="none";
 }
 
 //父栏样式
  for(var id = 0;id<=9;id++)
 {
  var bb="menu"+id;
  if(id==num)
  document.getElementById(bb).className="menuChild active";
  else
  document.getElementById(bb).className="menuChild";
 } 
 
}

/*
function closeall(){
 for(var id = 1;id<=9;id++)
 {
  var ss="child"+id;
  var bb="menu"+id;
  document.getElementById(ss).style.display="none";
  document.getElementById(bb).className="menuChild";
 } 
}
*/


// JavaScript Document
function showdiv(divnum,divbefor,id){
	for(i=1;i<=divnum;i++){
		try{
			if(i==divbefor){
				document.getElementById(id+i).style.display="inline";
			}else{
				document.getElementById(id+i).style.display="none";
			}
		}catch(e){ }
	}
}