var bHabillage = true;// basculer en false pour désactiver


 var largeur_div_milieu = 960;
    var margeX = 5;
    var margeY = 150;
    var mouseX;
    var mouseY;
    

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

    function verifyMouseX(){
      if(mouseX<=((windowSizeX()-largeur_div_milieu)/2)-margeX|| mouseX>=((windowSizeX()-largeur_div_milieu)/2)+largeur_div_milieu+margeX)
        return bHabillage;
      else
        return false;
    }
	function verifyMouseY(){
	    var Scroll  = GetScrollPage();
        
      if(mouseY <= margeY - Scroll.top)
        return bHabillage;
      else
        return false;
    }

    function getMouseX(event){
        var e = event || window.event;
        return e.clientX;
    }
	function getMouseY(event){
        var e = event || window.event;
        
        //var Scroll  = GetScrollPage();
        //document.title=Scroll.top;
  
        return e.clientY;
    }
	function windowSizeX(){
		if (document.body)
		{
			var larg = (document.body.clientWidth);
		}
		else
		{
			var larg = (window.innerWidth);
		}
		return(larg);
    }
    
    function windowSizeY(){
		if (document.body)
		{
			var haut = (document.body.clientHeight);
		}
		else
		{
			var haut = (window.innerHeight);
		}
		return(haut);
    }
    
    document.onmousemove = function(event){
       //var mouseInfo = document.getElementById('mouseInfo');
       
        mouseX = getMouseX(event);
        mouseY = getMouseY(event);
        if(verifyMouseX() || verifyMouseY()){
			
           document.body.style.cursor = 'pointer';
           //document.title='x'+mouseY+'x';
        }
        else{
          document.body.style.cursor = 'auto';
         }
         
    };