var Site = {

    start: function(){
        if ($('accordion')) Site.useAccordion();
    },

	 useAccordion: function(){
     	var accordion = new Accordion('h3.atStart', 'div.atStart', {
    		opacity: false,
			alwaysHide:true,
			start:'first-open',
    		onActive: function(toggler, element){
   				toggler.setStyle("background","url(arrow_down.png) no-repeat #e6e6e4 3px 8px");

 			},
    
    		onBackground: function(toggler, element){
   				toggler.setStyle("background","url(arrow_R.png) no-repeat #e6e6e4 3px 8px");
    		}
		}, $('accordion'));
	}

};
window.addEvent('load', Site.start);