ul.nav{
list-style:none;
margin:0;
padding:0;
}
.nav:after{
			content:"";
			display:block;
			clear:both;
			height:1px;
			overflow:hidden;
			}
* html .nav{
			height:1em;
			overflow:visible;
			}		
ul.nav li{
float:left;
font-size:10px;
}
ul.nav li a{
display:block;
text-decoration:none;
text-indent:-9999em;
}
li.n1 a{
width:162px;
height:30px;
background:url(../img/base/navi.jpg) no-repeat 0 0;
}
li.n1 a:hover{
background:url(../img/base/navi.jpg) no-repeat 0 bottom;
}
li.n2 a{
width:160px;
height:30px;
background:url(../img/base/navi.jpg) no-repeat -162px 0;
}
li.n2 a:hover{
background:url(../img/base/navi.jpg) no-repeat -162px bottom;
}
li.n3 a{
width:160px;
height:30px;
background:url(../img/base/navi.jpg) no-repeat -322px 0;
}
li.n3 a:hover{
background:url(../img/base/navi.jpg) no-repeat -322px bottom;
}
li.n4 a{
width:162px;
height:30px;
background:url(../img/base/navi.jpg) no-repeat -482px 0;
}
li.n4 a:hover{
background:url(../img/base/navi.jpg) no-repeat -482px bottom;
}
li.n5 a{
width:156px;
height:30px;
background:url(../img/base/navi.jpg) no-repeat -644px 0;
}
li.n5 a:hover{
background:url(../img/base/navi.jpg) no-repeat -644px bottom;
}