window.addEvent('domready',function(){
	if($('ulIndexCats')){
	var indexCatTabs=$('ulIndexCats').getElements('li');
	indexCatTabs.each(function(cat){
		cat.addEvent('click',function(){
			cat.addClass('current');
			var rel=cat.getProperty('rel').toString();
			var eventsDomID='events'+rel;
			$(eventsDomID).removeProperty('style');
			indexCatTabs.each(function(cat2){
				if(rel!=cat2.getProperty('rel').toString()){
					cat2.removeClass('current');
					var otherEventsDomID='events'+cat2.getProperty('rel').toString();
					$(otherEventsDomID).setStyle('display','none');
				}
			});
		});
	});
	}
});