function AfficherDiv(image, pathImg1, pathImg2, divId) {
        document.getElementById(divId).className = "visible";
        document.getElementById(image).src = pathImg1;
        document.getElementById(image).onclick = function()
        {
        	MasquerDiv(image, pathImg2, pathImg1, divId);
        }
    }

    function MasquerDiv(image, pathImg1, pathImg2, divId) {
        document.getElementById(divId).className = "invisible";
        document.getElementById(image).src = pathImg1;
        document.getElementById(image).onclick = function()
        {
        	AfficherDiv(image, pathImg2, pathImg1, divId);
        }

    }


function menuAfficher(id) {
    if (document.getElementById) {
        document.getElementById(id).style.display="block";
    } else if (document.all) {
        document.all[id].style.display="block";
    } else if (document.layers) {
        document.layers[id].display="block";
    }
}

function menuCacher(id) {
    if (document.getElementById) {
        document.getElementById(id).style.display="none";
    } else if (document.all) {
        document.all[id].style.display="none";
    } else if (document.layers) {
        document.layers[id].display="none";
    }
}