var fenster = "";
function fensterZu()
{
 //window.close();

 if(fenster != "")
  {
   if(fenster.closed != true) fenster.close();
  }
}

function fensterAuf()
{
 if(fenster != "")
  {
  fensterZu();
  }
fenster = window.open("visitenk/visitk.htm","visite","width=800,height=490,scrollbars=yes,resizable=yes,dependent=yes");
fenster.moveTo(0,0);
}
function vordergrund()
{
 fenster.focus();
}

function fensterAuf2()
{
 if(fenster != "")
  {
  fensterZu();
  }
fenster = window.open("visitenk2/visitk2.htm","visite2","width=800,height=490,scrollbars=yes,resizable=yes");
fenster.moveTo(0,0);
}
function vordergrund()
{
 fenster.focus();
}

function fensterAuf3()
{
 if(fenster != "")
  {
  fensterZu();
  }
fenster = window.open("visitenk3/visitk3.htm","visite3","width=800,height=490,scrollbars=yes,resizable=yes");
fenster.moveTo(0,0);
}
function vordergrund()
{
 fenster.focus();
}

function fensterAuf4()
{
 if(fenster != "")
  {
  fensterZu();
  }
fenster = window.open("visitenk4/visitk4.htm","visite4","width=800,height=490,scrollbars=yes,resizable=yes");
fenster.moveTo(0,0);
}
function vordergrund()
{
 fenster.focus();
}