browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);

if (browserVer >= 3) version = "Ver3";
   else version = "n2"

if (version == "Ver3")
  {
      Button1Off = new Image();
   Button1Off.src = "files/menu_valterice.gif";  // odkaz na první soubor
   Button1On = new Image();
   Button1On.src = "files/menu_valterice1.gif";   // odkaz na druhý soubor
      Button2Off = new Image();
   Button2Off.src = "files/menu_bystrec.gif";  
   Button2On = new Image();
   Button2On.src = "files/menu_bystrec1.gif";  
      Button3Off = new Image();
   Button3Off.src = "files/menu_vyprachtice.gif";  
   Button3On = new Image();
   Button3On.src = "files/menu_vyprachtice1.gif";  
      Button4Off = new Image();
   Button4Off.src = "files/menu_left_bohosluzby.gif";  
   Button4On = new Image();
   Button4On.src = "files/menu_left_bohosluzby1.gif"; 
      Button5Off = new Image();
   Button5Off.src = "files/menu_left_ohlasky.gif";  
   Button5On = new Image();
   Button5On.src = "files/menu_left_ohlasky1.gif";   
      Button6Off = new Image();
   Button6Off.src = "files/menu_left_ministranti.gif";  
   Button6On = new Image();
   Button6On.src = "files/menu_left_ministranti1.gif";  
      Button7Off = new Image();
   Button7Off.src = "files/menu_left_knez.gif";  
   Button7On = new Image();
   Button7On.src = "files/menu_left_knez1.gif";
      Button8Off = new Image();
   Button8Off.src = "files/menu_left_fotogalerie.gif";  
   Button8On = new Image();
   Button8On.src = "files/menu_left_fotogalerie1.gif";
      Button9Off = new Image();
   Button9Off.src = "files/menu_left_zajimavosti.gif";  
   Button9On = new Image();
   Button9On.src = "files/menu_left_zajimavosti1.gif";
      Button10Off = new Image();
   Button10Off.src = "files/menu_left_kontakt.gif";  
   Button10On = new Image();
   Button10On.src = "files/menu_left_kontakt1.gif";
      Button11Off = new Image();
   Button11Off.src = "files/menu_hermanice.gif";  
   Button11On = new Image();
   Button11On.src = "files/menu_hermanice1.gif";
   
}
function OverImage(imageName)
{ if (version == "Ver3")
  { gotFocus = eval(imageName + "On.src");
    document [imageName].src = gotFocus;
  }
}

function OffImage(imageName)
{ if (version == "Ver3")
  { lostFocus = eval(imageName + "Off.src");
    document [imageName].src = lostFocus;
  }
}