受dodo老人家启发…实际应用中，可能远比这复杂…

</p> <style type="text/css"> <p>* {font:12px tahoma,sans-serif}</p> <p>body {margin:10px;}</p> <p>form {margin:0;}</p> <p>fieldset {border:solid 1px #ccc;padding-bottom:10px;}</p> <p>label {display:block;width:300px;text-align:right;margin-bottom:1px;}</p> <p>label input,label textarea {width:200px;border:solid 1px #999;}</p> <p>textarea {vertical-align:top}</p> <p>#sbutton {margin-left:100px;width:60px;}</p> <p>.em {color:#c00}</p> <p>input:hover,textarea:hover {background-color:#efe;border:solid 1px #999;}</p> <p>input:focus,textarea:focus {background-color:#eee;border:solid 1px;border-color:#666 #eee #eee #666}</p> </style> <form> <p><fieldset><legend>一般信息</legend></p> <p><label for="user" accesskey="n">姓名(<span class="em">n</span>)：<br /> <input type="text" name="user" id="user" value="" /></label></p> <p><label for="email" accesskey="e">邮件(<span class="em">e</span>)：<br /> <input type="text" name="email" id="email" value="" /></label></p> <p><label for="comment" accesskey="c">备注内容(<span class="em">c</span>)：<textarea name="comment" id="comment">

确定

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