function accordionOfferte() {
        var myDT = document.getElementsByClassName('dt_offerta');
        var myDD = document.getElementsByClassName('dd_offerta');
 
        var myEffect = new Fx.Accordion(myDT, myDD, {alwaysHide: 'true','start' : 'all-closed',onActive: function(tog){tog.setStyles('color:#fff; background:url(img/bg_dt2.gif) no-repeat 3px 6px #c8def1;');},onBackground: function(tog){tog.setStyles('color:#666; background:url(img/bg_dt.gif) no-repeat 3px 6px #f2f6fa;');}});

}

Window.onDomReady(accordionOfferte);