var fenster = "";

function fensterZu()
{
 //window.close();

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

function fensterAuf()
{
  if(fenster != "")
  {
  fensterZu();
  }
 fenster = window.open("banner/landkino.htm","Timer","width=570,height=463");
fenster.moveTo(0,0);
}
function vordergrund()
{
 fenster.focus(); //Fenster in den Vordergrund
}

function fensterAuf2()
{
  if(fenster != "")
  {
  fensterZu();
  }
 fenster = window.open("banner/barangebot.htm","Timer","width=570,height=463");
fenster.moveTo(0,0);
}
function vordergrund()
{
 fenster.focus(); 
}

function fensterAuf3()
{
  if(fenster != "")
  {
  fensterZu();
  }
 fenster = window.open("banner/im-kino.htm","Timer","width=570,height=463");
fenster.moveTo(0,0);
}
function vordergrund()
{
 fenster.focus(); 
}

function fensterAuf4()
{
 if(fenster != "")
  {
  fensterZu();
  }
 fenster = window.open("banner/wegweiser.htm","Timer","width=570,height=463");
fenster.moveTo(0,0);
}
function vordergrund()
{
 fenster.focus();
}