$(document).ready(function(){
     
    // =========================================  ADMINISTRATOR
    $('#main_menu li').hover(function(){
        $('.submenu',this).css("display","block");
    },function(){
        $('.submenu',this).css("display","none");
    });
    
    $("#admin_form").submit(function(){
        var missing_required = false;
        var message = ['Favor de completar los campos requeridos: \n'];
        $(".required").each(function(){
               if($(this).val()=='') {
                    missing_required = true;
                    message[0]+= '-' + $("label[for='" + $(this).attr("name") + "']").text() + '\n';
               }
        });
        
        if(missing_required) {
            alert(message[0]);
            return false;
        }
    });
    
});