ul#menu{
 clear: both;
 display: block;
 margin: 0 auto;
 padding: 0;
 width:715px;
 height:50px;
 background: url(images/navigation.jpg) top left no-repeat;
 color:#fff;
}

#menu li{
 float: left;
 display: inline;
 margin: 0;
 padding: 0;
}
#menu li a{
 display: block;
 height:50px;
 text-indent: -9999px;
}
#menu li a:hover{
  background: url(images/navigation.jpg) top left no-repeat;
}

li#n1{width:55px;}
li#n2{width:110px;}
li#n3{width:80px;}
li#n4{width:105px;}
li#n5{width:105px;}
li#n6{width:110px;}
li#n7{width:75px;}
li#n8{width:75px;}


li#n1 a:hover{background-position:0 -50px;}
li#n2 a:hover{background-position:-55px -50px;}
li#n3 a:hover{background-position:-165px -50px;}
li#n4 a:hover{background-position:-245px -50px;}
li#n5 a:hover{background-position:-350px -50px;}
li#n6 a:hover{background-position:-455px -50px;}
li#n7 a:hover{background-position:-565px -50px;}
li#n8 a:hover{background-position:-640px -50px;}