//  document.write(navigator.appName+' '+parseInt(navigator.appVersion)+'<br><br>');
  if ( (navigator.appName == 'Microsoft Internet Explorer') || (parseInt(navigator.appVersion) >= 5) )
    document.write('<link href="ie.css" rel="stylesheet" type="text/css">');
  else
    document.write('<link href="netscape.css" rel="stylesheet" type="text/css">');

function ujablak2(fajl,x,y){
  ablak = open(fajl, "uj_ablak", 
    "width="+x+",height="+y+",status=no,menubar=no,scrollbars=yes");
}