var Site = {
	
	accordion: function(){
		var list = $$('#accordion li div.collapse');
		var headings = $$('#accordion li h3');
		var collapsibles = new Array();
		var spans = new Array();
		
		headings.each( function(heading, i) {

			var collapsible = new Fx.Slide(list[i], { 
				duration: 500, 
				transition: Fx.Transitions.quadIn
			});
			
			collapsibles[i] = collapsible;
			spans[i] = $E('span', heading);
			
			heading.onclick = function(){
				var span = $E('span', heading);

				if(span){
					var newHTML = span.innerHTML == '+' ? '-' : '+';
					span.setHTML(newHTML);
				}
				
				for(var j = 0; j < collapsibles.length; j++){
					if(j!=i) {
						collapsibles[j].slideOut();
						if(spans[j]) spans[j].setHTML('+');
					}
				}
				
				collapsible.toggle();
				
				return false;
			}
			if (i > 0) {
			    collapsible.hide();
			}
			
		});
	}
};
window.addEvent('domready', Site.accordion);