// Spécial habillage =================================
   var largeur_div_milieu = 990;
    var marge = 30;
    var mouseX;
    var status;

    function checkScrollBar(){
      if(document.documentElement.scrollHeight != window.innerHeight)
        return 16
      else
        return 0
    }

    function verifyMouseX(){
      if(mouseX<=((windowSize()-largeur_div_milieu)/2)-marge|| mouseX>=((windowSize()-largeur_div_milieu)/2)+largeur_div_milieu+marge)
        return true;
      else
        return false;
    }

    function getMouseX(event){
        var e = event || window.event;
        return e.clientX;
    }

    function windowSize(){
     if (document.all){
        return document.documentElement.clientWidth;
      }
      else{
        return window.innerWidth-checkScrollBar();
      }
    }
   
    document.onmousemove = function(event){
       var mouseInfo = document.getElementById('mouseInfo');
        mouseX = getMouseX(event);
        if(verifyMouseX()){
           document.body.style.cursor = 'pointer';
        }
        else{
          document.body.style.cursor = 'auto';
         }
    };
// Spécial habillage =================================