function over(elid)
{
el=document.getElementById(elid);
el.src='obr/guzik_' + el.id + '_on' + '.gif';
}
function out(elid)
{
el=document.getElementById(elid);
el.src='obr/guzik_' + el.id + '.gif';
}
function okno(plik, w, h, tytul)
{
var winl = (screen.width - w) / 2;
var wint = (screen.height - h) / 2;
w=w+10;
h=h+10;
winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',menubar=0,toolbar=0,location=0,directories=0,scrollbars=0,status=0,rsizable=0';
win = window.open('', 'noweokno', winprops);
win.document.write('Jezierski - MORA ' + tytul + '
')
win.document.close();
}