function zoomphoto(url,nom){

    document.getElementById("photozoom").style.height = "100%";
    document.getElementById("photozoom").style.width = "100%";

    document.getElementById("cadrephoto").style.width = "100%";

    document.getElementById("cadrephoto").innerHTML = "<a href=\"#"+nom+"\" onclick=\"dezoomphoto();\"><img src=\""+url+"\" class=\"photo\"><br>Fermer la visualisation</a>";


}


function dezoomphoto(){

    document.getElementById("photozoom").style.height = "0%";
    document.getElementById("photozoom").style.width = "0%";
    
    document.getElementById("cadrephoto").style.width = "0%";

    document.getElementById("cadrephoto").innerHTML = "";

}