function nyit()
{

if (!(navigator.appName == "Netscape"))
  {
  magas=document.body.clientHeight;
  szeles=document.body.clientWidth;
  }
 else
  {
  magas=window.innerHeight;
  szeles=window.innerWidth;
  }
  
document.getElementById('upbanner').style.top=(magas-parseInt(document.getElementById('upbanner').style.height))/2+"px";
/*document.getElementById('upbanner').style.left=(szeles-parseInt(document.getElementById('upbanner').style.width))/2+"px";*/
document.getElementById('upbanner').style.left=(szeles-parseInt(document.getElementById('upbanner').style.width))/2+"px";
document.getElementById('upbanner').style.display='';
document.getElementById('upbannerbcg').style.display='';
setTimeout('zar()',15000);
}

function zar()
{
document.getElementById('upbanner').style.display='none';
document.getElementById('upbannerbcg').style.display='none';
}