function showSubBloc(blocId)
{
    var bloc = document.getElementById(blocId);
    var pic = document.getElementById(blocId + "Pic");
    if (bloc.style.display == "block")
    {
        bloc.style.display = "none";
        pic.src = "../Sites/Infoclip/Images/Sitemap/plus.jpg";
    }
    else if (bloc.style.display == "none")
    {
        bloc.style.display = "block";
        pic.src = "../Sites/Infoclip/Images/Sitemap/moins.jpg";
    }
}