<!--

 browserName = navigator.appName;
 browserVer = parseInt(navigator.appVersion);
  version = "no";
  if (browserName == "Netscape" && browserVer >= 3) 
   version = "ok";
  if (browserName == "Microsoft Internet Explorer" && browserVer >= 4) 
   version = "ok";

function swtch(num, imgname)
{
 if(document.images)
  document[imgname].src = img[num].src; 
}

if (version == "ok")
{
 imgsrc = new Array();

 imgsrc [0] =  "../images_menu/nag1_11.jpg";
 imgsrc [1] =  "../images_menu/nag1o_11.jpg";
 imgsrc [2] =  "../images_menu/nag1_12.jpg";
 imgsrc [3] =  "../images_menu/nag1o_12.jpg";
 imgsrc [4] =  "../images_menu/nag1_08.jpg";
 imgsrc [5] =  "../images_menu/nag1o_08.jpg";
 imgsrc [6] =  "../images_menu/nag1_07.jpg"; 
 imgsrc [7] =  "../images_menu/nag1o_07.jpg"; 
 imgsrc [8] =  "../images_menu/nag1_05.jpg";
 imgsrc [9] =  "../images_menu/nag1o_05.jpg";
 imgsrc [10] =  "../images_menu/nag1_13.jpg";
 imgsrc [11] =  "../images_menu/nag1o_13.jpg";
 imgsrc [12] =  "../images_menu/nag1_14.jpg";
 imgsrc [13] =  "../images_menu/nag1o_14.jpg";
 imgsrc [14] =  "../images_menu/nag1_09.jpg";
 imgsrc [15] =  "../images_menu/nag1o_09.jpg";
 imgsrc [16] =  "../images_menu/nag1_10.jpg";
 imgsrc [17] =  "../images_menu/nag1o_10.jpg";

 

 
 if (document.images != null)
   {
    img = new Array();
    for (i = 0; i < imgsrc.length; i++)
     {
      img[i] = new Image();
      img[i].src = imgsrc[i];
     }
   }
}
// -->