#nav {
	list-style: none ;
	position: relative;
	margin: 10px 25px;
	padding: 0 ;
	overflow: hidden ; text-indent: -5000px;		/* Création du contexte de formatage */
	}
#nav li {
	float: left ;
	width: 153px ;
	height: 69px;
	}
#nav li a {
	display: block ;
	height: 69px;
	text-align: center ;
	text-decoration: none ;
  border:none;
	}

#nav li#menu1 a {
	background: transparent url(images/menu1.gif) left top no-repeat ;
	}

#nav li#menu1 a:hover, #nav li#menu1 a:focus, #nav li#menu1 a:active {
	background: transparent url(images/menu1.gif) right top no-repeat ;
	}
	
#nav li#menu2 a {
	background: transparent url(images/menu2.gif) left top no-repeat ;
	}

#nav li#menu2 a:hover, #nav li#menu2 a:focus, #nav li#menu2 a:active {
	background: transparent url(images/menu2.gif) right top no-repeat ;
	}

#nav li#menu3 a {
	background: transparent url(images/menu3.gif) left top no-repeat ;
	}

#nav li#menu3 a:hover, #nav li#menu3 a:focus, #nav li#menu3 a:active {
	background: transparent url(images/menu3.gif) right top no-repeat ;
	}
	
#nav li#menu4 a {
	background: transparent url(images/menu4.gif) left top no-repeat ;
	}

#nav li#menu4 a:hover, #nav li#menu4 a:focus, #nav li#menu4 a:active {
	background: transparent url(images/menu4.gif) right top no-repeat ;
	}
	
#nav li#menu5 a {
	background: transparent url(images/menu5.gif) left top no-repeat ;
	}

#nav li#menu5 a:hover, #nav li#menu5 a:focus, #nav li#menu5 a:active {
	background: transparent url(images/menu5.gif) right top no-repeat ;
	}
	
#nav li#menu6 a {
	background: transparent url(images/menu6.gif) left top no-repeat ;
	}

#nav li#menu6 a:hover, #nav li#menu6 a:focus, #nav li#menu6 a:active {
	background: transparent url(images/menu6.gif) right top no-repeat ;
	}