function external_link(elem) {
	if (elem.getAttribute('href')) {
		return external(elem.getAttribute('href'));
	}
	return true;
}
function external(url) {
	win = window.open(url);    
	return (typeof(win)=='object') ? false : true;
}

function odebratNa100Proc(co) {
	if (co == "") {
		vysl = window.confirm("Opravdu trvale odebrat tuto položku?");
	} else {
		vysl = window.confirm("Opravdu trvale odebrat '"+co+"' ?");
	}
	if (vysl) {
	  return true;
	} else {
	  return false;
	}
}

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');
}