function expandone(which)
{
    var inc = 0;
    while (document.getElementById("submenu" + inc))
    {
        document.getElementById("submenu" + inc).style.display = "none";
        inc++;
    }
    document.getElementById("submenu" + which).style.display = "block";
}


var Timer;
function ScrollLeft(pixeles, panorama)
{
    Timer = setInterval("document.getElementById('PANORAMA"+panorama+"').scrollLeft -= "+pixeles, 30);
}
function ScrollRight(pixeles, panorama)
{
    Timer = setInterval("document.getElementById('PANORAMA"+panorama+"').scrollLeft += "+pixeles, 30);
}

function cambiar (flag, img)
{
    if (document.images)
    {
        if (document.images[img].permitirloaded)
        {
            if (flag==1)
                document.images[img].src = document.images[img].permitir.src;
            else
                document.images[img].src = document.images[img].permitir.oldsrc;
        }
    }
}

function preloadcambiar (img, adresse)
{
    if (document.images)
    {
        img.onload = null;
        img.permitir = new Image();
        img.permitir.oldsrc = img.src;
        img.permitir.src = adresse;
        img.permitirloaded = true;
    }
}