window.addEvent('domready', function() {
	$$('#panelvraag').addEvent('submit', function(e) {
		var rubsel =  $('rubriek');
		if(rubsel.get('value')=='') {
			e.stop();
			rubsel.addClass('invalid');
			alert('Selecteer a.u.b. een rubriek');
		}
	});
});

var defaultExpertListItemHeight = -1;

function toggleExpertInList(evt, id) {
	if(defaultExpertListItemHeight == -1) {
		defaultExpertListItemHeight = parseInt($(id).style.height);
	}
	
	$$('.widget_users_item').each(function(item) {
		item.setStyle('height', defaultExpertListItemHeight);
		$(item.id + '_p').show();
	} );
	
	$(id).setStyle('height', 'auto');
	$(id+'_p').hide();
	
	evt.stop();
}