var MemoObj;
function Zoom(Obj)
{
    if(MemoObj)
        MemoObj.style.visibility = "visible";
    document.getElementById("CalqueNom").style.top = document.getElementById("tbnom").offsetTop + Obj.offsetTop;
    document.getElementById("CalqueNom").style.left = document.getElementById("tbnom").offsetLeft + Obj.offsetLeft;
    document.getElementById("CalqueNom").style.visibility = "visible";
    document.getElementById("CalqueNom").innerHTML = Obj.innerHTML;
    MemoObj = Obj
    MemoObj.style.visibility = "hidden";
}
    
function HideCalque()
{
    if(MemoObj)
        MemoObj.style.visibility = "visible";
    document.getElementById("CalqueNom").style.visibility = "hidden";      
}