$(document).ready(function ()
{
    $(".cont").fadeIn(2000);
    $("a.fb").fancybox({'overlayColor': '#000', 'overlayOpacity': 0.9});
    resize();
});

$(window).resize(function ()
{
    resize();
});

function resize()
{
    var dH = $(document).height();
    var fH = dH - 200;
    
    // assegna a content l'altezza corretta
    $(".middle").css({"height": fH + "px"});
}