function showhide(id,check,descid) {
 check = !check;
 if (isArray(id)) for(i in id)
  document.getElementById(id[i]).style.display = check ? "" : "none";
 else document.getElementById(id).style.display = check ? "" : "none";
 if (descid) {
  if (isArray(descid)) for(i in descid)
   document.getElementById(descid[i]).style.display = check ? "none" : "";
  else document.getElementById(descid).style.display = check ? "none" : "";
 }
}

function swap(id, descid) {
 dir = (document.getElementById(id).style.display == "");
 if (descid)
  showhide(id,dir,descid)
 else showhide(id,dir);
}

function swapimg(id,img) {
 i = document.getElementById(id);
 if(!i.orgSrc) i.orgSrc=i.src; 
 i.src = img;   
}

function restimg(id) {
 i = document.getElementById(id);
 if (i.orgSrc)
  i.src = i.orgSrc;
}

function isArray(obj) {
   if (obj.constructor.toString().indexOf("Array") == -1)
      return false;
   else
      return true;
}

function adm_out(val) {
 elements = document.getElementsByClassName('admp');
 for(i=0;i<elements.length;i++)  
        elements[i].style.display = val;  
}

var a=true;
function fertkopp()
{
a = !a;
if (a)
  document.kopp.src="/menu/fert2.png";
else
  document.kopp.src="/menu/fert1.png";
}

function play(url) {
 fo = document.getElementById("myFlash");
 if (fo == null) alert("Flash-Objekt nicht gefunden");
 else {
   fo.SetVariable("player:jsUrl", url);
   fo.SetVariable("player:jsPlay", "");
 }
}