verzia = navigator.appVersion.substring(0, 1);
  if (navigator.appName == 'Microsoft Internet Explorer'  &&  (verzia >= 4))
{
  document.styleSheets[0].addRule(".vylet img", "margin: 0px 15px 0px 15px;", 0);
  document.styleSheets[0].addRule(".todlzka", "padding-bottom: 20px;", 0);
  document.styleSheets[0].addRule(".totrasa", "padding-bottom: 20px;", 0);
  document.styleSheets[0].addRule(".todatum", "padding-bottom: 20px;", 0);
  document.styleSheets[0].addRule("body", "margin: 5px 15px 15px 15px;", 0);
}




function menu(filename,mapka) {
if (!parent.frames[0]) { 
document.writeln("<a href='"+filename+"' target='_top'><img src='../imgs/mapky/"+mapka+"' alt='Zobrazi menu, ktoré užahčí navigáciu v rámci opisu tohoto výletu.' align=left border=0 width=120></A>");
}
}



function ucastnik(kto) {
width=500;
height=200;

top_px=((screen.height / 4) - (height / 2));
left_px=((screen.width / 2) - (width / 2));

file = "../ucastnici.php";
window.open(file, kto,"location=no,toolbar=no,directories=no,menubar=no,scrollbars=yes,resizable=yes,status=no,width="+width+",height="+height+",top="+top_px+",left="+left_px);
}