<!--dhtml.js (Bibliothek)-->
if(navigator.appName=='Netscape' && !document.layers){
ns6=1;ie=0;ns=0;
}
else{
if(document.layers){
ns=1;ns6=0;ie=0;
}
else{
ie=1;ns6=0;ns=0;
}
}

function bildwechsel (a,b) {
document.images[a].src='bilder/'+b;
return
}

function bildwechsel2 (a,b) {
document.images[a].src='UserFiles/Image/'+b;
return
}

<!--hier die popups-->

function oeffnen(a){
window.open(a,'neu','width=540,height=500,scrollbars=yes')
}

<!--hier die farbwechsel für das Hauptmenu-->
function bildwechsel (a,b,c,d) {
if(ns) {
document.layers[a].backgroundColor=b;
document.layers[c].color=d;
}
if(ns6) {
document.getElementById(a).style.backgroundColor=b;
document.getElementById(c).style.color=d;
}
if(ie){
document.all[a].style.backgroundColor=b;
document.all[c].style.color=d;
}
return
}


var high1='';
function setnav1(a){
high_name1_1='nav'+a;
high_name1_2='main'+a;
high_farbe1_1='#ffffff';
high_farbe1_2='#306D1B';
bildwechsel(high_name1_1,high_farbe1_1,high_name1_2,high_farbe1_2);
high1=a;
}

function set_nav_off1(a){
for (i=1; i<=a; i++ ) {
bildwechsel('nav'+i,'#306D1B','main'+i,'#ffffff');
}
}

function over1(a,b){
set_nav_off1(b);
bildwechsel('nav'+a,'#ffffff','main'+a,'#306D1B');

}

function out1(a){
set_nav_off1(a);
bildwechsel('nav'+high1,'#ffffff','main'+high1,'#306D1B');
}


function schriftwechsel (a,b) {
if(ns) {
document.layers[a].fontWeight=b;
}
if(ns6) {
document.getElementById(a).style.fontWeight=b ;
}
if(ie){
document.all[a].style.fontWeight=b;
}
return
}

function farbwechsel (a,b) {
if(ns) {
document.layers[a].color=b;
}
if(ns6) {
document.getElementById(a).style.color=b ;
}
if(ie){
document.all[a].style.color=b;
}
return
}

var high2='';
function setnav2(a){
high_name2='sub'+a;
high_farbe2='bold';
schriftwechsel(high_name2,high_farbe2);
high2=a;
}

function set_nav_off2(a){
for (i=1; i<=a; i++ ) {
schriftwechsel('sub'+i,'normal');
}
}

function subcolor(a,b){
for (i=1; i<=a; i++ ) {
farbwechsel('sub'+i,b);
}
}

function over2(a,b){
set_nav_off2(b);
schriftwechsel('sub'+a,'bold');
}

function out2(a){
set_nav_off2(a);
schriftwechsel('sub'+high2,'bold');
}


<!--weitere Funktionen-->

vorgeladeneBilder=new Array();
function Bilderladen () {
  for (i=0; i<arguments.length ; i++ ) {
     Bild=new Image();
     Bild.src=arguments[i];
     vorgeladeneBilder[i]=Bild;
     }
return
}


var N4=false;
var IE=false;
var W3C=false;
// browserbestimmung
function checkBrowser () {

   if (document.layers)
    N4=true;
  else if (document.all)
    IE=true;
  else if (document.getElementById)
    W3C=true;
}


function dhtml_DivImage (url,name,id) {       //erwartet Bildquelle,Bildname,DivId
 if (N4)
document.layers[id].document.images[name].src=url
 else {
  if (IE)
  document.images[name].src=url
  else {
   if (W3C)
   document.getElementById(name).src=url
  }
 }
 return
}


function dhtml_obj(id) {
  if (N4)
    return document.layers[id];
  else if (IE)
    return document.all[id];
  else if (W3C)
    return document.getElementById(id);
}

function dhtml_style(id) {
  if (N4)
    return dhtml_obj(id);
  else if (IE || W3C)
    return dhtml_obj(id).style;
}

function dhtml_hide(id) {
        dhtml_style(id).visibility = "hidden";
    return
}

function dhtml_show(id) {
          dhtml_style(id).visibility = "visible";
    return
}

function dhtml_bcol(id,farbe) {
if (N4)
   dhtml_obj(id).bgColor=farbe;
  else if (IE || W3C)
   dhtml_obj(id).style.backgroundColor=farbe;
 return
}

function dhtml_bimg(id,url) {
if (N4)
   dhtml_obj(id).background.src=url;
  else if (IE || W3C)
   dhtml_obj(id).style.backgroundImage = 'url(' + url+ ')';
 return
}

function dhtml_write(id,text) {
if (N4)
   with (dhtml_obj(id)){
    document.write (text);
    document.close();
    }
  else if (IE || W3C)
   dhtml_obj(id).innerHTML = text;
 return
}

function dhtml_getX(id) {
    if (N4 || W3C)
      return parseInt(dhtml_style(id).left);
    else if (IE)
      return dhtml_style(id).posLeft;
}

function dhtml_getY(id) {
    if (N4 || W3C)
      return parseInt(dhtml_style(id).top);
    else if(IE)
      return dhtml_style(id).posTop;
}

function dhtml_setX(id, n) {
    if (N4)
      dhtml_style(id).left = n;
    else if (IE)
      dhtml_style(id).posLeft = n;
    else if (W3C)
      dhtml_style(id).left = n + "px";
}
function dhtml_setY(id, n) {
    if (N4)
      dhtml_style(id).top = n;
    else if (IE)
      dhtml_style(id).posTop = n;
    else if (W3C)
      dhtml_style(id).top = n + "px";
}

function dhtml_moveTo(id, x, y) {
    dhtml_setX(id, x);
    dhtml_setY(id, y);
}

function dhtml_moveBy(id, deltaX, deltaY) {
    var x = parseInt(dhtml_getX(id));
    var y = parseInt(dhtml_getY(id));
    x += deltaX;
    y += deltaY;
    dhtml_setX(id, x);
    dhtml_setY(id, y);
}
function dhtml_w_breite() {
  if (window.innerWidth)  //N4
    return window.innerWidth;
  else if (document.body) //IE-W3C
    return document.body.clientWidth;
}
function dhtml_w_hoehe() {
  if (window.innerHeight)
    return window.innerHeight;
  else if (document.body)
    return document.body.clientHeight;
}
function dhtml_div_breite(id) {
  if (N4)
    return dhtml_obj(id).document.width;
  else if (IE || W3C)
    return dhtml_obj(id).offsetWidth;
}
function dhtml_div_hoehe(id) {
  if (N4)
    return dhtml_obj(id).document.height;
  else if (IE || W3C)
    return dhtml_obj(id).offsetHeight;
}

function dhtml_zIndex (id,z) {
    dhtml_style(id).zIndex=z;
return
}
function dhtml_clip (id,newY1,newX1,newX2,newY2) {

obj=dhtml_style(id);
if(N4) {
     obj.clip.top =newY1;
     obj.clip.right =newX2;
     obj.clip.bottom =newY2;
     obj.clip.left =newX1;
    }
   if(IE||W3C) //W3C Dom
     {
      obj.clip='rect('+ newY1 + 'px '+ newX2 + 'px '+ newY2 +'px '+ newX1 +'px)';
     }

return
}