//Position initiale "enBas" or "enHaut"
 if ((navigator.userAgent.indexOf("MSIE") > 0) || (navigator.userAgent.indexOf("Gecko") > 0))
 {
  var positionVerticale="enHaut";

  if (!document.layers)
    document.write('</div>');
}

  function flottementMenu(){
    var departX = 0,
    departY = 0;
    var ns = (navigator.appName.indexOf("Netscape") != -1);
    var doc = document;
    function support(id){
      var elt=doc.getElementById?doc.getElementById(id):
                              doc.all?doc.all[id]:doc.layers[id];
      if(doc.layers)
        elt.style=elt;
      elt.sP=function(x,y){this.style.left=x;this.style.top=y;};
      elt.x = departX;
      if (positionVerticale=="enHaut")
        elt.y = departY;
      else{
        elt.y=ns?pageYOffset+innerHeight: 
                document.body.scrollTop+document.body.clientHeight;
        elt.y -=departY;
      }
      return elt;
    }
    window.stabilisation=function(){
      if (positionVerticale=="enHaut"){
        var pY = ns ? pageYOffset : document.body.scrollTop;
        ftlObj.y += (pY + departY - ftlObj.y)/8;
      }
      else{
        var pY=ns?pageYOffset+innerHeight: 
                document.body.scrollTop+document.body.clientHeight;
        ftlObj.y += (pY - departY - ftlObj.y)/8;
      }
      ftlObj.sP(ftlObj.x, ftlObj.y);
      setTimeout("stabilisation()", 10);
    }
    ftlObj = support("menuflottant");
    stabilisation();
  }
  
  if ((navigator.userAgent.indexOf("MSIE") > 0) || (navigator.userAgent.indexOf("Gecko") > 0)) flottementMenu();