window.addEvent('domready',function(){
	$$('ul.tabnav li a').each(function(element){
		element.addEvent('click',function(event){
			if (element.getProperty('href') != '#')
				return;
			if (event)
				event.stop();
			element.addClass('active');
			var old = element.getParent().getParent().getAttribute('rel');
			$(old).removeClass('active');
			element.getParent().getParent().setAttribute('rel',element.id);
			element.blur();
			if ($(old.replace(/_tab/,''))) $(old.replace(/_tab/,'')).setStyle('display','none');
			if ($(element.id.replace(/_tab/,''))) $(element.id.replace(/_tab/,'')).setStyle('display','');
		});

	});
});