calque_info = new fenetre_info('dhtml_info_div');
  calque_info.createfi('calque_info');
  calque_info.sizefi('200','80');
  if (client_navigateur.isIE)
  	calque_info.posfi((document.body.offsetWidth/2 - 100),(document.body.offsetHeight/2 -40));
  else if(client_navigateur.isDOM)
  	calque_info.posfi(window.innerWidth/2 - 100,window.innerHeight/2 -40);
  //calque_info.posfi(10,10);
  document.onmousemove = calque_info.Deplacementfi;