商品展示用的点击小图看大图效果，纯CSS实现，没有任何javascript代码，大图打开后必须点关闭按钮才能返回页面，效果简单实用。
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点击这里下载脚本源代码
在网页<head>区添加以下代码
<style type="text/css">
.product {width:320px; height:150px; border:1px solid #ddd; margin:0 auto; padding:10px;}
.productInfo {width:150px; float:left;}
.productMfr {font:bold 16px/18px arial, sans-serif; color:#c00; padding:0; margin:0;}
.productType {font:bold 14px/18px arial, sans-serif; color:#000; padding:0; margin:0;}
.features {padding:10px 0; margin:0; list-style:none;}
.features li {font:normal 12px/16px arial, sans-serif; color:#555;}
.price {font:bold 14px/18px arial, sans-serif; color:#00c; padding:0 0 10px 0; margin:0;}
a.clickbox, a.clickbox:visited, a.clickbox:hover {text-decoration:none; text-align:center;}
a.clickbox img {display:block; border:0;}
a.clickbox b {display:block;}
a.clickbox em {font:bold 10px/12px arial,sans-serif; color:#000;}
a.clickbox {float:left; margin:0 15px 15px 0; display:inline;}
a.clickbox .lightbox {position:absolute; left:-9999px; top:-10000px; cursor:default; z-index:500;}
a.clickbox .light {position:absolute; left:0; top:0; width:100%;}
a.clickbox .box {position:absolute; left:0; width:100%; text-align:center; height:300px; top:30%; margin-top:-150px;}
/* trigger for IE6 */
a.clickbox:active {direction:ltr;}
a.clickbox:active .lightbox {left:0; top:0; width:100%; height:100%;}
a.clickbox .lightbox:hover,
a.clickbox:focus .lightbox {position:fixed; left:0; top:0; width:100%; height:100%;}
a.clickbox .lightbox:hover .light,
a.clickbox:active .lightbox .light,
a.clickbox:focus .lightbox .light {background:#fff; width:100%; height:100%; filter: alpha(opacity=90);
filter: progid:DXImageTransform.Microsoft.Alpha(opacity=90); opacity:0.90;
}
a.clickbox .lightbox:hover .box img,
a.clickbox:active .lightbox .box img,
a.clickbox:focus .lightbox .box img {border:1px solid #ddd; margin:0 auto; padding:30px; background:#fff;}
a.clickbox .lightbox:hover .box span,
a.clickbox:active .lightbox .box span,
a.clickbox:focus .lightbox .box span {display:block; width:560px; padding:0; margin:10px auto; text-align:center; text-decoration:none; background:#fff; border:1px solid #ddd;}
a.clickbox .lightbox .box span.title {font:normal 22px/26px verdana, sans-serif; color:#069;}
a.clickbox .lightbox .box span.text {font:normal 11px/16px verdana, sans-serif; color:#333;}
.clear {clear:left;}
a.clickbox i {display:block; width:32px; height:32px; position:fixed; right:-100px; top:0; z-index:500;}
a.clickbox .lightbox:hover i,
a.clickbox:active i,
a.clickbox:focus i {right:50%; top:30%; background:url(close2.png); margin-right:-295px; margin-top:-165px;}
#close {display:block; position:fixed; width:32px; height:32px; right:50%; top:30%; margin-right:-295px; margin-top:-165px; z-index:1000; background:url(trans.gif); cursor:pointer;}
</style>
<!--[if lte IE 6]>
<style type="text/css">
/* to get IE6 to center the Clickbox - adjust the height to cover the whole page */
a.clickbox:active .lightbox {left:50%; margin-left:-2500px; height:2000px; width:5000px;}
a.clickbox:active .lightbox .light {height:2000px;}
a.clickbox i {display:block; width:32px; height:32px; overflow:hidden; float:right; cursor:pointer; position:static; background:url(close.png);}
#close {margin-right:0; margin-top:0; z-index:1000; background:url(trans.gif); cursor:pointer;}
a.clickbox .lightbox:hover i,
a.clickbox:active i {right:32px; top:32px; background:url(close.png); margin-right:0; margin-top:0; background:url(close.png);}
a.clickbox .frame {width:500px; height:300px; background:#fff; border:1px solid #000; padding:10px;}
a.clickbox .box {top:5%; margin-top:0;}
</style>
<![endif]-->
在网页<body>区添加以下代码
<div class="product"> <a class="clickbox" href="#url"> <img src="eos500d-thumb.jpg" alt="" title="Click for larger image" /> <em>• large image •</em> <b class="lightbox"> <b class="light"></b> <b class="box"> <img src="eos500d.jpg" alt="" /> <span class="title">It's your vision - make it count</span> <span class="text">With the EOS 500D, every side of your story comes alive. Capture every detail in stunning 15.1 Megapixel resolution, or switch to shooting pin-sharp Full High Definition video.<br /><i></i></span> </b> </b> </a> <div class="productInfo"> <p class="productMfr">Canon EOS 500D</p> <p class="productType">Digital SLR Camera</p> <ul class="features"> <li>• 15.1 MP CMOS sensor</li> <li>• Full HD (1080p) movies</li> </ul> <p class="price">£470</p> <img src="cart.gif" alt="Checkout" /> </div> </div> <div id="close"></div>
