function toggle(valeur)
{
    var date = new Date();
    date.setSeconds(date.getSeconds() + (60 * 60 * 24 * 360 * 2));
    document.cookie = "forums_large=" + valeur + "; expires=" + date.toGMTString() + "; path=/";
    location = document.URL;
}

function toggle_std()
{
    toggle("non");
}

function toggle_large()
{
    toggle("oui");
}