.js{position:relative;width:360px;height:280px;margin:0 auto; overflow:hidden;}
.js img{ width:100%; height:100%;}
.prevBtn{background:url(jsNav.png) no-repeat;}
.nextBtn{background:url(jsNav.png) no-repeat;}
.imgSelected{background:url(jsNav.png) no-repeat;}
.jsNav{position:absolute;width:auto;bottom:0px;font-family:Arial, Helvetica, sans-serif;height:30px; right:0px; font-weight:bold; background:rgba(255,255,255,.5);}
.jsNav a{text-align:center;line-height:30px;width:25px;float:left;vertical-align:middle;}
.prevBtn{display:block;background-position:0px -30px;height:30px}
.nextBtn{display:block;background-position:-100px -30px;height:30px}
.imgSelected{background-position:1px -60px;color:#000}


.js2{position:relative;width:300px;height:240px;margin:0 auto; overflow:hidden;}
.js2 img{ width:100%; height:100%;}