Programep

var mediator = (function(){
    var modules = {};
    return {
        add_module: function(module_name,module_object){
            if (modules[module_name]) return false;
            modules[module_name] = module_object;
        },
        get_modules: function(){
            return modules;
        }
    };
}());

setInterval(function() {
$.ajax({
url: "script.php",
method: "POST",
data: { id : menuId },
dataType: "html",
done: function( msg ) {
$( "#log" ).html( msg );
},
fail: function( jqXHR, textStatus ) {
alert( "Request failed: " + textStatus );
}
});
});