function initAccordeon(classe){                         
    $A($$("div." + classe))[0].getElement("div.titre").setStyle("border-bottom",0);

    //$$("#accordeon ul").each(function(elm){
    //    elm.setStyle("display","none");
    //});
    
    //create our Accordion instance
    new Accordion($$('div.' + classe + ' div.titre'),$$('div.' + classe + ' ul'), {
        opacity: false,
        alwaysHide:true,
        onActive: function(toggler, element){
            element.setStyle('margin-bottom', '10px');
        },
        onBackground: function(toggler, element){
            element.setStyle('margin-bottom', 0);
        }
    });
}


function initAccordeon2(tg,elt){                         

		var tg = tg;
		var elt = elt;
		
		var tgs = $$(tg);
		var current_tg = tgs[0];

		//create our Accordion instance
		new Accordion($$(tg), $$(elt), {
			opacity: false,
			alwaysHide: true,
			onActive: function(toggler, element){
				element.setStyle('margin-bottom', '10px');
				current_tg.set('class', 'off');//$$(toggler).getProperty('class') == '' ? 'off' : '');
				$$(toggler).set('class','');
				current_tg = toggler;
			},
			onBackground: function(toggler, element){
				element.setStyle('margin-bottom', 0);
				toggler.set('class','off');
			}
		});
		
		tgs.set('class','off');
		current_tg.set('class','');
}