function copy_jahr() {
    var start=1998;
    var Jetzt = new Date();
    var Jahr = Jetzt.getFullYear();
	if (start<Jahr) return start+"-"+Jahr;
	else return Jahr;
}

var is4;
if (navigator.appName=="Microsoft Internet Explorer") { 
  is4=true; 
  } else { 
  is4=false; 
 }





var anzMenu=2;
var offen=-1;
 
function showItem(idx) {
 
 if(document.getElementById) {
  if(offen!=-1) {
   document.getElementById("divMenu"+offen+"e").style.visibility="hidden";
  }
 
  if(offen!=idx) {
   var hoehe=parseInt(document.getElementById("divMenu"+idx+"e").style.height);
   	document.getElementById("divMenu"+idx+"e").style.visibility="visible";

   offen=idx;
  }
 
  else {
   offen=-1;
  }
 }
}

function showItemoff() {
   for(i=1;i<=anzMenu;i++) {
    document.getElementById("divMenu"+i+"e").style.visibility="hidden";
   } }
   
   
   
function swap(bildname,tauschbild,tauschbreite,tauschhoehe)
{
document.images[bildname].src=tauschbild;
document.images[bildname].width=tauschbreite;
document.images[bildname].height=tauschhoehe;

if (is4 && (navigator.appVersion.indexOf("MSIE 6")>=16 || navigator.appVersion.indexOf("MSIE 7")>=16)) {
document.getElementById(bildname).filters.blendTrans.Apply();
document.getElementById(bildname).style.visibility = "visible";
document.getElementById(bildname).filters.blendTrans.Play();
} else {
document.getElementById(bildname).style.visibility = "visible";
}

document.getElementById(bildname).style.top = (740-tauschhoehe)/2;
document.getElementById(bildname).style.left = (980-tauschbreite)/2;

}
 
 function swapoff(bildname)
{
if (is4 && (navigator.appVersion.indexOf("MSIE 6")>=16 || navigator.appVersion.indexOf("MSIE 7")>=16)) {
document.getElementById(bildname).filters.blendTrans.Apply();
document.getElementById(bildname).style.visibility = "hidden";
document.getElementById(bildname).filters.blendTrans.Play();
} else {
document.getElementById(bildname).style.visibility = "hidden";
}

}