function hideAllSubmenus(id) 
{
    var els = $('.subtitles');
    els.css('display', 'none');
    //$("div > p").css("border", "1px solid gray");
   /* $('.subtitles').each(function (i) {
        var activeElementId = 'subtitle-'+id;
        if (this.id !== activeElementId) {
            var el = $(activeElementId);
            alert(this.id);
            el.slideToggle('fast');
        }
    });*/
}

function showSubmenu(id)
{
    hideAllSubmenus(id);
    var id = '#subtitle-'+id;
    if ($(id).is(':hidden')) {
        $(id).fadeIn('medium');
        $(id > 'li').fadeIn('medium');
    } else {
        $(id).hide();
    }
      
    /*hideAllSubmenus(id);
    var classname = '#subtitle-'+id;
    var el = $(classname);
    if (el) {
        el.slideDown('medium');
    }*/
}