function queryString(sParam)
{
    var sBase = window.location.search
    var re = eval("/" + sParam + "=([^&]*)/")
    if (re.test(sBase))
    {
      return RegExp.$1
    }
    else
    {
      return null
    }
}
function changeMenu()
{     
     var s=queryString("menuid");
     if(s!=null&&s!="")
        m_obj=s;
     eval(m_obj).className="menu2"
     //¸Ä±ätd±³¾°É«
     changeTd();
 }
 function changeTd()
 {
   var s=queryString("tdid");
   if(s!=null&&s!="")
      s_obj=s;
   eval(s_obj).className="td1"
 }		  
function td_mouseover(obj)
{
  if(obj.id!=s_obj)
    obj.className="td1";
}
function td_mouseout(obj)
{
  if(obj.id!=s_obj)
    obj.className="td2";
}		  
function td_onclick(obj,url)
{
  if(obj.id!=s_obj)
	window.location.href=url;
}

function menu_onclick(obj,url)
{
  if(obj.id!=m_obj)
	window.location.href=url;
}