Event.observe(window, 'load', loadAccordions, false);
	
function loadAccordions() {
	var topAccordion = new accordion('horizontal_container', {
		classNames : {
			toggle : 'haccordion_toggle',
			toggleActive : 'haccordion_toggle_active',
			content : 'haccordion_content'
		},
		defaultSize : {
			width : 255
		},
		direction : 'horizontal'
	});

	topAccordion.activate($$('#horizontal_container .haccordion_toggle')[0]);
}