function Navigation() {

    //Inicializa o Objeto Navigation
    this.Initialize = function() {
        $(document).ready(function() {
            Navigation.OpenSub();
        });
    }

    //Abre e fecha a subnavegacao do menu principal
    this.OpenSub = function() {
        try {
            $("#Navigation dt").mouseenter(function() {
                $("#Navigation dd").hide();
                $("#Navigation dt a").css("background-position", "0 0");
                $(this).children("a").css("background-position", "0 -31px");
                $("#Navigation dd." + $(this).attr("class")).show();
            });
            $("#Navigation").mouseleave(function() {
                $("#Navigation dd").hide();
                $("#Navigation dt a").css("background-position", "0 0");
            });
        }
        catch (e) {
            //alert(e);
        }
    }
    
}