#top-nav ul li{float:left; display:block; height:30px;}
#top-nav ul li.v-line{width:9px; background: url(/images/tch/nav.png) no-repeat -61px 0; }
#top-nav ul li a{display:block; text-indent:-10000px; height:30px;background: url(/images/tch/nav.png) no-repeat;}
#top-nav ul li#home a{width:61px; background-position:0 0;}
#top-nav ul li#signup a{width:164px; background-position:-71px 0;}
#top-nav ul li#read a{width:61px; background-position:-246px 0;}
#top-nav ul li#photos a{width:78px; background-position:-317px 0;}
#top-nav ul li#adv a{width:96px; background-position:-406px 0;}
#top-nav ul li#friends a{width:96px; background-position:-515px 0;}
#top-nav ul li#contact a{width:96px; background-position:-620px 0;}

#top-nav ul li#home a:hover{width:61px; background-position:0 bottom;}
#top-nav ul li#signup a:hover{width:164px; background-position:-71px bottom;}
#top-nav ul li#read a:hover{width:61px; background-position:-246px bottom;}
#top-nav ul li#photos a:hover{width:78px; background-position:-317px bottom;}
#top-nav ul li#adv a:hover{width:96px; background-position:-406px bottom;}
#top-nav ul li#friends a:hover{width:96px; background-position:-515px bottom;}
#top-nav ul li#contact a:hover{width:96px; background-position:-620px bottom;}

#top-nav ul li#home a.current{width:61px; background-position:0 bottom;}
#top-nav ul li#signup a.current{width:164px; background-position:-71px bottom;}
#top-nav ul li#read a.current{width:61px; background-position:-246px bottom;}
#top-nav ul li#photos a.current{width:78px; background-position:-317px bottom;}
#top-nav ul li#adv a.current{width:96px; background-position:-406px bottom;}
#top-nav ul li#friends a.current{width:96px; background-position:-515px bottom;}
#top-nav ul li#contact a.current{width:96px; background-position:-620px bottom;}