function fenster(url,name,eigenschaften,bbreite,bhoehe)
{

var breite, hoehe, links, oben;

breite = screen.width;
hoehe = screen.height;

// Mittig
links = (breite - bbreite) / 2
oben  = ((hoehe - bhoehe) / 2) - 50

eigenschaften = eigenschaften + ",left=" + links + ",top=" + oben + ",width=" + bbreite + ",height=" + bhoehe;

 newwin = window.open(url,name,eigenschaften); 
 if(version > 1.0) 
 {  
  setTimeout('newwin.focus();',200); 
 } 
}

function sendit() 
{
 var plz = document.plz.plzvalue.value;
 if(!plz | plz.length<5) {
  alert("Postleitzahl ist 5-stellig! Bitte prüfen.");
 } else {
  document.plz.submit();
 }
}

 function klappauf(nr,f,m)
 { 
  if(document.getElementById)
  { 
   for(var i=0;i<m;i++)
   {
     document.getElementById("faq_"+i+"_"+f).style.visibility = "hidden";
     document.getElementById("faq_"+i+"_"+f).style.display = "none";
   }

   document.getElementById("faq_"+nr+"_"+f).style.display = "block";
   document.getElementById("faq_"+nr+"_"+f).style.visibility = "visible"; 
  }
 }

 function klappzu(nr,f)
 {
   document.getElementById("faq_"+nr+"_"+f).style.visibility = "hidden";
   document.getElementById("faq_"+nr+"_"+f).style.display = "none";
 }