function cambiarTitulosPequenos(label, enter) {
    if (enter) {
        label.setAttribute("class", "linkSmallMouseOver");
    }
    else {
        label.setAttribute("class", "linkSmallMouseOut");
    }
}

function cambiarTitulosMenu(name, div, enter) {

    var img = document.getElementById(name);
    var div = document.getElementById(div);

    if (enter) {

        img.src = "images/btnImg2click.gif"
//        div.style.display = 'block';
    }
    else {
        img.src = "images/btnImg2.png"
//        div.style.display = 'none';
    }
}

function cambiarPagina(url, height) {
    var frame = window.parent.document.getElementById("center");
    frame.src = url;
    frame.height = height;
}