if (document.images) {
   	  var menu1up = new Image();
   	  menu1up.src = "images/menus/2/home_1.gif";
   	  var menu1dn = new Image();
   	  menu1dn.src = "images/menus/2/home_2.gif";
	  
   	  var menu2up = new Image();
   	  menu2up.src = "images/menus/2/spe_1.gif";
   	  var menu2dn = new Image();
   	  menu2dn.src = "images/menus/2/spe_2.gif";
	  
   	  var menu3up = new Image();
   	  menu3up.src = "images/menus/2/ab_1.gif";
   	  var menu3dn = new Image();
   	  menu3dn.src = "images/menus/2/ab_2.gif";
	  	  
   	  var menu4up = new Image();
   	  menu4up.src = "images/menus/2/ey_1.gif";
   	  var menu4dn = new Image();
   	  menu4dn.src = "images/menus/2/ey_2.gif";
  
   	  var menu5up = new Image();
   	  menu5up.src = "images/menus/2/ser_1.gif";
   	  var menu5dn = new Image();
   	  menu5dn.src = "images/menus/2/ser_2.gif";
  
   	  var menu6up = new Image();
   	  menu6up.src = "images/menus/2/co_1.gif";
   	  var menu6dn = new Image();
   	  menu6dn.src = "images/menus/2/co_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