// navi
var naviname  = new Array("deutsch","english");
var navitext  = new Array("Deutsche Version","English Version");
var navi_n    = new Array(naviname.length); 
var navi_r    = new Array(naviname.length); 
var loaded      = false;

// navi preload
function preload() {
  if (document.images) {
	for (i=0; i < naviname.length; i++) {
	  navi_n[i] = new Image(); navi_n[i].src = "img/start/"+naviname[i]+"_n.gif";
	  navi_r[i] = new Image(); navi_r[i].src = "img/start/"+naviname[i]+"_r.gif";
	  }
  loaded = true;
  }	
}

function naviover(bildnummer) {
  if (loaded) {
	  document.images["navi_"+bildnummer].src = navi_r[bildnummer].src;
	  window.status = navitext[bildnummer];
  }
}

function naviout(bildnummer) {
  if (loaded) {
	  document.images["navi_"+bildnummer].src = navi_n[bildnummer].src;
	  window.status = "";
  }
}