browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
	if ((browserName == "Netscape" && browserVer >= 3) || (browserName == "Microsoft Internet Explorer" && browserVer >= 4)) version = "n3";
        else version = "n2";
	if (version == "n3")
     {
      menu0on = new Image(25, 25);
      menu0on.src = "images/navimg/spiral-a.jpg";
      menu0off = new Image(25, 25);
      menu0off.src = "images/navimg/spiral.jpg";
	  
	  menu1on = new Image(25, 25);
      menu1on.src = "images/navimg/spiral-a.jpg";
      menu1off = new Image(25, 25);
      menu1off.src = "images/navimg/spiral.jpg";
	  
	  menu2on = new Image(25, 25);
      menu2on.src = "images/navimg/spiral-a.jpg";
      menu2off = new Image(25, 25);
      menu2off.src = "images/navimg/spiral.jpg";
	  
	  menu3on = new Image(25, 25);
      menu3on.src = "images/navimg/spiral-a.jpg";
      menu3off = new Image(25, 25);
      menu3off.src = "images/navimg/spiral.jpg";
	  
	  menu4on = new Image(25, 25);
      menu4on.src = "images/navimg/spiral-a.jpg";
      menu4off = new Image(25, 25);
      menu4off.src = "images/navimg/spiral.jpg";
	  
	  menu5on = new Image(25, 25);
      menu5on.src = "images/navimg/spiral-a.jpg";
      menu5off = new Image(25, 25);
      menu5off.src = "images/navimg/spiral.jpg";
	  
	  menu6on = new Image(25, 25);
      menu6on.src = "images/navimg/spiral-a.jpg";
      menu6off = new Image(25, 25);
      menu6off.src = "images/navimg/spiral.jpg";
	  
	  menu7on = new Image(25, 25);
      menu7on.src = "images/navimg/spiral-a.jpg";
      menu7off = new Image(25, 25);
      menu7off.src = "images/navimg/spiral.jpg";
	  
	  menu8on = new Image(25, 25);
      menu8on.src = "images/navimg/spiral-a.jpg";
      menu8off = new Image(25, 25);
      menu8off.src = "images/navimg/spiral.jpg";
	  
	  menu9on = new Image(25, 25);
      menu9on.src = "images/navimg/spiral-a.jpg";
      menu9off = new Image(25, 25);
      menu9off.src = "images/navimg/spiral.jpg";
	  
	  menu10on = new Image(25, 25);
      menu10on.src = "images/navimg/spiral-a.jpg";
      menu10off = new Image(25, 25);
      menu10off.src = "images/navimg/spiral.jpg";
	  
	  menu11on = new Image(25, 25);
      menu11on.src = "images/navimg/spiral-a.jpg";
      menu11off = new Image(25, 25);
      menu11off.src = "images/navimg/spiral.jpg";
	  
	  menu12on = new Image(25, 25);
      menu12on.src = "images/navimg/spiral-a.jpg";
      menu12off = new Image(25, 25);
      menu12off.src = "images/navimg/spiral.jpg";
	  
	  
      }
	function img_act(imgName)
       {
        if (version == "n3")
                {
                        imgOn = eval(imgName + "on.src");
                        document [imgName].src = imgOn;
                }
        }
		function img_inact(imgName)
        {
        if (version == "n3")
                {
                        imgOff = eval(imgName + "off.src");
                        document [imgName].src = imgOff;
                }
        }