function getAppVersion() 
{
  appname = navigator.appName;
  appversion = navigator.appVersion;
  majorver = appversion.substring(0, 1);
  if ( (appname == "Netscape") && ( majorver >= 3 ) ) return 1;
  if ( (appname == "Microsoft Internet Explorer") && (majorver >= 4) ) return 1;
  return 0;
}

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

imgsrc = new Array();imgsrc[1] = "/images/home.jpg";imgsrc[2] = "/images/home2.jpg";imgsrc[3] = "/images/how.jpg";imgsrc[4] = "/images/how2.jpg";imgsrc[5] = "/images/registrace.jpg";imgsrc[6] = "/images/registrace2.jpg";imgsrc[7] = "/images/account.jpg";imgsrc[8] = "/images/account2.jpg";imgsrc[9] = "/images/forum.jpg";imgsrc[10] = "/images/forum2.jpg";imgsrc[11] = "/images/server.jpg";imgsrc[12] = "/images/server2.jpg";imgsrc[13] = "/images/donate.jpg";imgsrc[14] = "/images/donate2.jpg";imgsrc[15] = "/images/database.jpg";imgsrc[16] = "/images/database2.jpg";imgsrc[17] = "/images/download.jpg";imgsrc[18] = "/images/download2.jpg";imgsrc[19] = "/images/link.jpg";imgsrc[20] = "/images/link2.jpg";imgsrc[21] = "/images/mapa.jpg";imgsrc[22] = "/images/mapa2.jpg";imgsrc[23] = "/images/guilds.jpg";imgsrc[24] = "/images/guilds2.jpg";imgsrc[25] = "/images/online_player.jpg";imgsrc[26] = "/images/online_player2.jpg";imgsrc[27] = "/images/honor.jpg";imgsrc[28] = "/images/honor2.jpg";imgsrc[29] = "/images/udalosti.jpg";imgsrc[30] = "/images/udalosti2.jpg";imgsrc[31] = "/images/areny.jpg";imgsrc[32] = "/images/areny2.jpg";
if (getAppVersion()) 
{
  img = new Array();
  for (i = 0; i < imgsrc.length; i++) 
  {
    img[i] = new Image();
    img[i].src = imgsrc[i];
  }
}