var i=0;
var sknr=0;
var katnr=0;
var katid="";
var katidhov="";
var mlvis=0;
var mtanr=0;
var mtaid="";
var screenheight=screen.height;

function bildvis() {
  if (document.getElementById('idmodlayer'))
  {
    if (document.getElementById('idmodlayer').style.visibility == 'visible')
    {
      document.getElementById('idmodlayer').style.visibility='hidden';
      document.getElementById('idbildziffer').style.visibility='visible';
    } else {
      document.getElementById('idmodlayer').style.visibility='visible';
      document.getElementById('idbildziffer').style.visibility='hidden';
    }
  }
}

function getscreenheight() {
  if (scrheightparam != screenheight)
  {
    newpage=newpage+"&s="+screenheight;
    location.replace(newpage);
  }
}

function katmouseover(katnr) {
  i=eval(katnr);
  if (i != 0)
  {
    katid="idkateg"+katnr+"";
    katidhov="idkateg"+katnr+"hov";
    document.getElementById(katid).style.visibility='hidden';
    document.getElementById(katidhov).style.visibility='visible';
  } else {
    document.getElementById('idkateg1').style.visibility='visible';
    document.getElementById('idkateg1hov').style.visibility='hidden';
    document.getElementById('idkateg2').style.visibility='visible';
    document.getElementById('idkateg2hov').style.visibility='hidden';
    document.getElementById('idkateg3').style.visibility='visible';
    document.getElementById('idkateg3hov').style.visibility='hidden';
    document.getElementById('idkateg4').style.visibility='visible';
    document.getElementById('idkateg4hov').style.visibility='hidden';
  }
}

function mtamouseover(mtanr) {
  i=eval(mtanr);
  document.getElementById('idmitarbeiter_1').style.visibility='hidden';
  document.getElementById('idmitarbeiter_2').style.visibility='hidden';
  document.getElementById('idmitarbeiter_3').style.visibility='hidden';
  document.getElementById('idmitarbeiter_4').style.visibility='hidden';
  document.getElementById('idmitarbeiter_5').style.visibility='hidden';
  document.getElementById('idmitarbeiter_6').style.visibility='hidden';
  mtaid="idmitarbeiter_"+i+"";
  document.getElementById(mtaid).style.visibility='visible';
}

function printcontent() {
  this.focus();
  this.print();
}

function seitenwechsel(sknr) {
  newpage="index.php?p="+kategnr+"_"+sknr+"&s="+screenheight;
  location.replace(newpage);
}