function programmaExpand(el) {
	var el = $(el);
	var topics = document.getElementsByClassName('topic');
	var elIniDisplay = el.style.display;

	for(var i=0; i<topics.length; i++) {
		var t = topics[i];
		t.hide();
	}
	if (elIniDisplay === 'none') {
		el.show();
	} else {
		el.hide();
	}
	return(true);
}