var $Jie = function(id){return document.getElementById(id);}
function isIE(){if(document.all){return true;}else{return false;}}


var Jiefox=new Object();
Jiefox.select=function(n){ 
  n=2*n;
  var obj=$Jie('Menu').getElementsByTagName('li');
  for(var i=0;i<obj.length;i++)
  {
     if (obj[i].className!='li0')
     {
         if (i==n)
         {obj[i].className='li1';}
         else
         {obj[i].className='li2';}
     }
  }
}