function acordion (obj, animate) {
    var div;
    if (obj.className == 'closed') {
        if (animate) {
            div = obj.childNodes[1];
            $(div).show('slide');
        } else {
            obj.childNodes[1].style.display = 'block';
        }
        obj.className= 'open';
    } else {
        if (animate) {
            div = obj.childNodes[1];
            $(div).hide('slide');
        } else {
            obj.childNodes[1].style.display = 'none';
        }
        obj.className = 'closed';
    }
}