function einblenden(x){
  if(x=="p1"){
    document.getElementById(x).style.visibility="visible";
    document.getElementById(x+"a").style.visibility="visible";
    document.getElementById(x+"b").style.visibility="visible";
    document.getElementById(x+"c").style.visibility="visible";
    document.getElementById(x+"d").style.visibility="visible";
  }
  else if(x=="p2"){
    document.getElementById(x).style.visibility="visible"; 
    document.getElementById(x+"a").style.visibility="visible";
    document.getElementById(x+"b").style.visibility="visible";
  }
  else if(x=="p3"){
      document.getElementById(x).style.visibility="visible"; 
      document.getElementById(x+"a").style.visibility="visible";
  }
  else{;}
}

function ausblenden(x){
if(x=="p1"){
    document.getElementById(x).style.visibility="visible";
    document.getElementById(x+"a").style.visibility="hidden";
    document.getElementById(x+"b").style.visibility="hidden";
    document.getElementById(x+"c").style.visibility="hidden";
    document.getElementById(x+"d").style.visibility="hidden";
  }
  else if(x=="p2"){
    document.getElementById(x).style.visibility="visible"; 
    document.getElementById(x+"a").style.visibility="hidden";
    document.getElementById(x+"b").style.visibility="hidden";
  }
  else if(x=="p3"){
      document.getElementById(x).style.visibility="visible"; 
      document.getElementById(x+"a").style.visibility="hidden";
  }
else{;}

}

function bild (b) {
  //document.write(b)
  F = window.open("_php/bildopen.php?b="+b, "BildG", "width=200,height=200,left=100,top=200,locationbar=no,toolbar=no,menubar=no,directories=no,scrollbars=no,resizable=yes,status=yes");
  F.focus();
  return 0;
}