//<script language="JavaScript" type="text/javascript">
//<!--

var message = "Clic droit non autorise!"
var ns4 = (document.layers)? true:false;                //NS 4
var ie4 = (document.all)? true:false;                   //IE 4
var dom = (document.getElementById)? true:false;      //DOM

if (dom)
  {
  if (document.addEventListener)
      document.addEventListener("mouseup",RightMouseDisable,false);
  else
      document.oncontextmenu = IsForbidden;
  }
else if (ie4)
  {
  document.onkeydown = CheckKey;
  document.onmousedown = RightMouseDisable;
  }
else if (ns4)
  {
  document.captureEvents(Event.MOUSEDOWN);
  document.onmousedown = RightMouseDisable;
}

function CheckKey()
  {
  var MyKey = event.keyCode;
  if (MyKey==93)
      {
      var MyValue = IsForbidden;
      return false;
      }
  }

function RightMouseDisable(e)
  {
  var MyNumber=0;
  if (ie4)
      MyNumber = event.button;
  else
      MyNumber = e.which;
  if (MyNumber==2||MyNumber==3)
      {
      var MyValue = IsForbidden();
      return false;
      }
  else
      return true;
  }

function IsForbidden()
  {
  alert(message);
  return false;
  }

//-->
//</script>