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('click', function(){
 fx.toggle();
 });

 });

 $$('.CTitle').each(function(heading){
 new Element('a', {
 'href': '#MainTopic',
 'class': 'toTop'
 }).setHTML('top').injectBefore(heading.getFirst());
 });

 new SmoothScroll();

});

document.write('<style type="text/css" media="screen">div.MGroupContent{display: none}</style>');