function naptar() {
	$('naptar').update("");
	ho = $('hosel').selectedIndex;
	if(ho == -1) {
		return;
	}
	ho = $('hosel').options[ho].value;
	ev = $('evsel').selectedIndex;
	if(ev == -1) {
		return;
	}
	ev = $('evsel').options[ev].value;
	d = new Date(ev, ho, 1, 0, 0, 0, 0);
	nap = d.getDay();
	nap = (nap == 0 ? 7 : nap);
	kezdonap = nap--;
	naptartxt = "<center><table cellspacing=\"0\"><thead><tr><th>H</th><th>K</th><th>Sz</th><th>Cs</th><th>P</th><th>Sz</th><th>V</th></tr></thead><tr>";
	for(;nap > 0;nap--) {
		naptartxt += "<td>&nbsp;</td>"; 
	}
	ezahonap = d.getMonth();
	honap = ezahonap + 1;
	nap = 1;
	while(d.getMonth() == ezahonap) {
		naptartxt += "<td><a href=\"?base=foglalas&amp;action=datum&amp;datum=" + ev + (honap < 10 ? "0" + honap : honap) + (nap < 10 ? "0" + nap : nap) + "\">" + nap + "</a></td>";
		kezdonap++;
		nap++;
		d = new Date(d.getTime() + 24 * 60 * 60 * 1000);
		if(kezdonap == 8) {
			if(d.getMonth() == ezahonap) {
				naptartxt += "</tr><tr>";
				kezdonap = 1;
			}
		}
	}
	while(kezdonap <= 7) {
		naptartxt += "<td>&nbsp;</td>";
		kezdonap++;
	}
	naptartxt += "</tr></table></center>";
	$('naptar').update(naptartxt);
}

function initForm() {
	naptar();
}