#menu_principal a.cooperative{
	background-image: url(../fr/_images/menu_haut/cooperative-over.jpg);
	background-repeat: no-repeat;
	background-position: top;
	width: 139px;
	height: 60px;
	margin: 0;
	padding: 0;
	position: relative;
	float: left;
}
#menu_principal a.cooperative:hover{
	background-image: url(../fr/_images/menu_haut/cooperative-over.jpg);
	background-repeat: no-repeat;
	background-position: top;
	width: 139px;
	height: 60px;
	margin: 0;
	padding: 0;
	position: relative;
	float: left;
}