if (((navigator.appName == "Netscape" && parseInt(navigator.appVersion) >= 3) || parseInt(navigator.appVersion) >= 4) || parseInt(navigator.appVarsion) >= 4) 
{ 
    rollOvers = 1;
} else {
    rollOvers = 0;
}
loaded = 0

function loadImg () {
    if (rollOvers) {

	homeOn = new Image();
	homeOn.src = "/images/bnt_home_on.gif";
	hilfeOn = new Image();
	hilfeOn.src = "/images/bnt_hilfe_on.gif";
	bookOn = new Image();
	bookOn.src = "/images/bnt_book_on.gif";
	englOn = new Image();
	englOn.src = "/images/bnt_engl_on.gif";
	deutschOn = new Image();
	deutschOn.src = "/images/bnt_deutsch_on.gif";
	links1On = new Image();
	links1On.src = "/images/bnt_links_on.gif";
	links2On = new Image();
	links2On.src = "/images/bnt_links_on.gif";
	links3On = new Image();
	links3On.src = "/images/bnt_links_on.gif";
	links4On = new Image();
	links4On.src = "/images/bnt_links_on.gif";
	links5On = new Image();
	links5On.src = "/images/bnt_links_on.gif";
	links6On = new Image();
	links6On.src = "/images/bnt_links_on.gif";
	links7On = new Image();
	links7On.src = "/images/bnt_links_on.gif";
	links8On = new Image();
	links8On.src = "/images/bnt_links_on.gif";
	links9On = new Image();
	links9On.src = "/images/bnt_links_on.gif";

	homeOff = new Image();
	homeOff.src = "/images/bnt_home_off.gif";
	hilfeOff = new Image();
	hilfeOff.src = "/images/bnt_hilfe_off.gif";	
	bookOff = new Image();
	bookOff.src = "/images/bnt_book_off.gif";	
	englOff = new Image();
	englOff.src = "/images/bnt_engl_off.gif";	
	deutschOff = new Image();
	deutschOff.src = "/images/bnt_deutsch_off.gif";	
	links1Off = new Image();
	links1Off.src = "/images/bnt_links_off.gif";
	links2Off = new Image();
	links2Off.src = "/images/bnt_links_off.gif";
	links3Off = new Image();
	links3Off.src = "/images/bnt_links_off.gif";
	links4Off = new Image();
	links4Off.src = "/images/bnt_links_off.gif";
	links5Off = new Image();
	links5Off.src = "/images/bnt_links_off.gif";
	links6Off = new Image();
	links6Off.src = "/images/bnt_links_off.gif";
	links7Off = new Image();
	links7Off.src = "/images/bnt_links_off.gif";
	links8Off = new Image();
	links8Off.src = "/images/bnt_links_off.gif";
	links9Off = new Image();
	links9Off.src = "/images/bnt_links_off.gif";
	loaded = 1
    }
}

function switchOn(imgName) {
	if (loaded == 1) {
	imgOn = eval(imgName + "On.src");
	document[imgName].src = imgOn;
	}
}

function switchOff(imgName) {
	if (loaded == 1) {
	imgOff = eval(imgName + "Off.src");
	document[imgName].src = imgOff;
	}
}

function changeImage(imgName, imgFileName) {
	document[imgName].src = imgFileName;
}

function wechsel_sprache() {
  var URL_alt = document.URL;
  var URL_neu;
  if (URL_alt.search(/\/en\//) != -1) {
    URL_neu = URL_alt.replace(/\/en\//,"\/de\/");
    window.location.href = URL_neu;
    return;
  }
  if (URL_alt.search(/\/de\//) != -1) {
    URL_neu = URL_alt.replace(/\/de\//,"\/en\/");
    window.location.href = URL_neu;
    return;
  }
  window.location.href = "/en/";
  return;
}

function jump() {
  window.location.href = "/service/"+document.jump_form.url.value;
  return;
}

function Firma() {
  if (document.URL.search(/\/en\//) != -1) {
    window.location.href = "/en/unternehmen.htm";
    return;
  }
  window.location.href = "/de/unternehmen.htm";
  return;
}