window.addEvent('domready', function(){
	$$('.MGroupContent').setStyle('display', 'block');

	var selected = $('MSelected');
	
	var current = (selected) ? selected.getParent() : false;

	$$('div.MGroup').each(function(div){
		var link = div.getElement('a');
		var block = link.getNext();
		
		var fx = new Fx.Slide(block);
		
		if (block != current) fx.hide();

		link.addEvent('mouseover', function(){
			fx.toggle();
		});
		
	});
});