/**
 * Show / hide tags. 
 * el = link element; id = item id.
 */
function st(el, id) {
    var tags = document.getElementById("tags-"+id), v;
    if (tags.style.display == 'block') {
        v = ['none', 'exibir'];
    } else {
        v = ['block', 'esconder'];
    }
    tags.style.display = v[0];
    el.innerHTML = '['+v[1]+' tags]';
    return false;
}


/**
 * Show / hide tags. 
 * el = link element; id = item id.
 */
function st_trainee(el, id) {
    var tags = document.getElementById("tags-"+id), v;
    if (tags.style.display == 'block') {
        v = ['none', 'exibir'];
    } else {
        v = ['block', 'esconder'];
    }
    tags.style.display = v[0];
    //el.innerHTML = '['+v[1]+' tags]';
    return false;
}