#global {
  position: relative; /* on positionne le conteneur */
  margin-left: auto;
  margin-right: auto;
  margin-top:30px;
  width: 1000px;
  text-align: left;
  background:url(../images/logo_preau.gif) top left no-repeat #FFFFFF;
	overflow: hidden;
}
/* meu principal */
#menu1 {
  background:url(../images/acco-noir.jpg) top left no-repeat #FFFFFF;
	}
/* meu secondaire */
#menu2 {
	width:130px;
	float:left;
	margin-top:220px;
	}