var CantChange = "home";
var ChangeNow = "button/home.gif";
function Preload(Name,Src) 
  {
    eval(Name+' = new Image()')
    eval(Name+'.src = "'+Src+'"')
  }
  
function _Init()
  {
  if (navigator.appVersion.charAt(0) < 4 || !navigator.javaEnabled())return;
  Preload('b1','button/home_an.gif');
  Preload('b2','button/ueber-uns_an.gif'); 
  Preload('b3','button/reitanlage_an.gif'); 
  Preload('b4','button/haltung_an.gif');
  Preload('b5','button/unterricht_an.gif'); 
  Preload('b6','button/aktuelles_an.gif');
  Preload('b7','button/fotoalbum_an.gif');
  Preload('b8','button/gaestebuch_an.gif');
  Preload('b9','button/reitertreff_an.gif');
  Preload('b10','button/anfahrt_an.gif');
  Preload('b11','button/kontakt_an.gif');
  Preload('b12','button/links_an.gif');
  }
  
function _Change(Name, Src)
  {
  if (navigator.appVersion.charAt(0) < 4 || !navigator.javaEnabled())return;
  if (Name != CantChange) document.images[Name].src=Src;
  }
  
function StopChange(Name, Src)
{
ChangeName = CantChange;
CantChange = Name;
_Change(ChangeName, ChangeNow);
ChangeNow = Src;
}