function zoom(procenta) {
	var elem = document.getElementById('body');
	if (elem) elem.style.fontSize=procenta+"%";
	return false;
}

// fce, ktera otevre nove okno s kalendarem
function openCalendar(ktery, rodic) {
	window.open('/pgcms/calendar-PGCMS/index.php?ktery='+ktery+'&rodic='+rodic,'kalendar',',left=300,top=200,height=310,width=340,menubar=no,directories=no,toolbar=no,location=no,status=yes,scrollbars=no,resizable=no');
}