function openbox(url,titre)
{
    var box = document.getElementById('box');
    document.getElementById('shadowing').style.display='block';

    var title = document.getElementById('boxtitle');
    title.innerHTML = titre;

    var content = document.getElementById('boxcontent');
    content.style.padding="0";

    content.innerHTML = "<img src=" + url + " />";

    box.style.display='block';
}


function closebox()
{
    document.getElementById('box').style.display='none';
    document.getElementById('shadowing').style.display='none';
}