#nav
{
	list-style-type:none;
	float:center;
	height:27px;
	width:306px;
	/*background:grey;*/
	padding-left:0px;
	margin-top:0px;
	margin-left:auto;
	margin-right:auto;
}
 

 
#nav li
{
	float:left;
	height:25px;
	width:151px; 
	margin-left:2px;
}
 
 
#nav li a 
{
	height:25px;
	width:151px; 
	line-height:26px;
	color:#ffffff;
	font-family:Verdana, Arial, Helvetica, sans-serif;
	font-size:13px;
	text-decoration:none;
	font-weight:bold;
	float:left;
	background:url("../img/bouton_off.png");
}
  

#nav li a:hover 
{
	color:#003366;
	font-weight:bold;
	background:url("../img/bouton_on.png");

}