if (document.images) {
   	  var menu1bup = new Image();
   	  menu1bup.src = "images/menu3/1_1.gif";
   	  var menu1bdn = new Image();
   	  menu1bdn.src = "images/menu3/1_2.gif";
	  
   	  var menu2bup = new Image();
   	  menu2bup.src = "images/menu3/2_1.gif";
   	  var menu2bdn = new Image();
   	  menu2bdn.src = "images/menu3/2_2.gif";
	  
   	  var menu3bup = new Image();
   	  menu3bup.src = "images/menu3/3_1.gif";
   	  var menu3bdn = new Image();
   	  menu3bdn.src = "images/menu3/3_2.gif";
	  	  
   	  var menu4bup = new Image();
   	  menu4bup.src = "images/menu3/4_1.gif";
   	  var menu4bdn = new Image();
   	  menu4bdn.src = "images/menu3/4_2.gif";
  
   	  var menu5bup = new Image();
   	  menu5bup.src = "images/menu3/5_1.gif";
   	  var menu5bdn = new Image();
   	  menu5bdn.src = "images/menu3/5_2.gif";
  
   	  var menu6bup = new Image();
   	  menu6bup.src = "images/menu3/6_1.gif";
   	  var menu6bdn = new Image();
   	  menu6bdn.src = "images/menu3/6_2.gif";
  
   	  var menu7bup = new Image();
   	  menu7bup.src = "images/menu3/7_1.gif";
   	  var menu7bdn = new Image();
   	  menu7bdn.src = "images/menu3/7_2.gif";
	  
	  var menu8bup = new Image();
   	  menu8bup.src = "images/menu3/8_1.gif";
   	  var menu8bdn = new Image();
   	  menu8bdn.src = "images/menu3/8_2.gif";
	  }
	function act(imgName) {
   	  if (document.images) 
      document[imgName].src = eval(imgName + 'dn.src');
	  }
	function inact(imgName) {
	  if (document.images)
	  document[imgName].src = eval(imgName + 'up.src');
	  }// JavaScript Document