function mostrarFrase(vencedor, frase,origem) {
    document.getElementById("h3_vencedor").innerHTML = vencedor;
    document.getElementById("p_frase").innerHTML = frase;
    var div_vencedor = document.getElementById("div_vencedor");
    div_vencedor.style.display = "block";
    pos = objPos(origem.parentNode.parentNode);

    div_vencedor.style.top = (pos[1] + 20) + "px";
    if (pos[0] <= 438)
        div_vencedor.style.left = pos[0] + "px";
    else
        div_vencedor.style.left = "438px";
}

function objPos(oElement) {
    if (typeof (oElement.offsetParent) != 'undefined') {
        for (var posX = 0, posY = 0; oElement; oElement = oElement.offsetParent) {
            posX += oElement.offsetLeft;
            posY += oElement.offsetTop;
        }
        return [posX, posY];
    } else {
        return [oElement.x, oElement.y];
    }
}

var intervalo;
function ocultarFrase() {
    intervalo = setTimeout(function() {
        document.getElementById("div_vencedor").style.display = "none";
    }, 100);
}