var acc= new Accordion($$('.titleAccordion'),$$('.elementAccordion'),
                       {show:0,
                        onBackground:function(toggler,element){  
                        	              toggler.parentNode.className='promo';  
                        	              toggler.onmouseover=function(){
                        	              	                  acc.display(this.id); 
                        	                                  }  
                                     },
                        onActive:function(toggler,element){
                        	              toggler.parentNode.className='promo expand'; 
                                 }
                       }); 
var a=0; 
for(a=0;a<acc.togglers.length;a++){
	acc.togglers[a].onmouseover=function(){acc.display(this.id); }  
                                     

}