if (document.getElementById){ 
document.write('<style type="text/css">\n')
document.write('.submenu{display: none;}\n')
document.write('</style>\n')
}

function SwitchMenu(obj){
    if(document.getElementById){
    var el = document.getElementById(obj);
    var ar = document.getElementById("submenu").getElementsByTagName("span"); 
    
        if(el.style.display != "block"){ 
            for (var i=0; i<ar.length; i++){
                if (ar[i].className=="submenu") 
                ar[i].style.display = "none";
            }
            el.style.display = "block";
        }else{
            el.style.display = "none";
        }
    }
}

function readCookie(name)
{
  var cookieValue = "";
  var search = name + "=";
  if(document.cookie.length > 0)
  { 
    offset = document.cookie.indexOf(search);
    if (offset != -1)
    { 
      offset += search.length;
      end = document.cookie.indexOf(";", offset);
      if (end == -1) end = document.cookie.length;
      cookieValue = unescape(document.cookie.substring(offset, end))
    }
  }
  return cookieValue;
}

function writeCookie(name, value, hours)
{
  var expire = "";
  if(hours != null)
  {
    expire = new Date((new Date()).getTime() + hours * 3600000);
    expire = "; expires=" + expire.toGMTString();
  }
  document.cookie = name + "=" + escape(value) + expire;
}

function loadQQpos(){
	var pos=readCookie("QQpos");
	if(!pos)
		return;
	setQQmenu(pos,"submenu");
	}

function storeQQpos(){
	writeCookie("QQpos",lookQQmenu("submenu"),24);
	}

function setQQmenu(pos,menuID){
	if(pos==-1)
		return;
	var theMenu=document.getElementById(menuID);
	var items=theMenu.getElementsByTagName("span");
	if(items[pos])
		items[pos].style.display="block";
	}

function lookQQmenu(menuID){
	var theMenu=document.getElementById(menuID);
	var items=theMenu.getElementsByTagName("span");
	for(var i=0;i<items.length;i++)
		if(items[i].style.display=="block")
			return i;
	return -1;
	}