function ukaztridu()
{ trida=(document.formular.vybertrida.options[document.formular.vybertrida.selectedIndex].value);
  url='./obsah/rozvrhy/rozvrh.php?trida='+trida;
  Mojeokno=(window.open(url,'rozvrh','status=0,resizable=0,top=20,left=20,menubar=0,width=900,height=500'));
  Mojeokno.focus();
 }
function ukazucitele()
{ ucitel=(document.formular.vyberucitel.options[document.formular.vyberucitel.selectedIndex].value);
  url='./obsah/rozvrhy/rozvrh.php?ucitel='+ucitel;
  Mojeokno=(window.open(url,'rozvrh','status=0,resizable=0,top=20,left=20,menubar=0,width=900,height=450'));
  Mojeokno.focus();
 }
function ukazsezu()
{ url='./obsah/rozvrhy/sez_u.php';
  Mojeokno2=(window.open(url,'zkratkyu','location=0,status=0,resizable=0,top=10,left=100,menubar=0,width=600,height=600'));
  Mojeokno2.focus();
 }
function ukazsezp()
{ url='./obsah/rozvrhy/sez_p.php';
  Mojeokno2=(window.open(url,'zkratkyp','status=0,resizable=0,top=0,left=150,menubar=0,width=450,height=650'));
  Mojeokno2.focus();
 }