function fechar_popup()
{
    document.getElementById("navegador").style.display = "none";
}

function muda_ie(obj, local)
{
    if (local == 0)
        obj.src = "images/browsers-ie2.png";
    else
        obj.src = "../images/browsers-ie2.png";    
}

function retorna_ie(obj, local)
{
    if (local == 0)
        obj.src = "images/browsers-ie1.png";
    else
        obj.src = "../images/browsers-ie1.png"; 
}

function muda_mozila(obj, local)
{
    if (local == 0)
        obj.src = "images/browsers-firefox2.png";
    else
        obj.src = "../images/browsers-firefox2.png";
}

function retorna_mozila(obj, local)
{
    if (local == 0)
        obj.src = "images/browsers-firefox1.png";
    else
        obj.src = "../images/browsers-firefox1.png";
}

function muda_chrome(obj, local)
{
    if (local == 0)
        obj.src = "images/browsers-chrome2.png";
    else
        obj.src = "../images/browsers-chrome2.png";
}

function retorna_chrome(obj, local)
{
    if (local == 0)
        obj.src = "images/browsers-chrome1.png";
    else
        obj.src = "../images/browsers-chrome1.png";
}

function muda_safari(obj, local)
{
    if (local == 0)
        obj.src = "images/browsers-safari2.png";
    else
        obj.src = "../images/browsers-safari2.png";
}

function retorna_safari(obj, local)
{
     if (local == 0)
        obj.src = "images/browsers-safari1.png";
    else
        obj.src = "../images/browsers-safari1.png";
}

function muda_opera(obj, local)
{
    if (local == 0)
        obj.src = "images/browsers-opera2.png";
    else
        obj.src = "../images/browsers-opera2.png";
}

function retorna_opera(obj, local)
{
     if (local == 0)
        obj.src = "images/browsers-opera1.png";
    else
        obj.src = "../images/browsers-opera1.png";
}