// JavaScript Document
  function ShowDesc(Layer)
  {
    document.getElementById('PictoCommune').style.visibility="hidden";
    document.getElementById('PictoAdmin').style.visibility="hidden";
    document.getElementById('PictoDemarche').style.visibility="hidden";
    document.getElementById('PictoActu').style.visibility="hidden";
    document.getElementById(Layer).style.visibility="visible";
  }
  function HideDesc(Layer)
  {
    document.getElementById(Layer).style.visibility="hidden";
  }
  function HideAllDesc()
  {
    document.getElementById('PictoCommune').style.visibility="hidden";
    document.getElementById('PictoAdmin').style.visibility="hidden";
    document.getElementById('PictoDemarche').style.visibility="hidden";
    document.getElementById('PictoActu').style.visibility="hidden";
  }