如何隐藏 class 为cata_1 或 cata_2 的那一段数据
梦宇飞 2010-01-05 11:59:40 <h2 id="cata_1"><a href="http://127.0.0.5/Bolt/"> Bolt</a></h2>
<h3 class="cata_1"><a href="http://127.0.0.5/Socket-Head-Allen-Bolts/"> Socket Head Allen Bolts</a></h3>
<h3 class="cata_1"><a href="http://127.0.0.5/CSK-Socket-Head-Bolts/"> C.S.K. Socket Head Bolts</a></h3>
<h3 class="cata_1"><a href="http://127.0.0.5/Carriage-Bolts/"> Carriage Bolts</a></h3>
<h3 class="cata_1"><a href="http://127.0.0.5/Stud-Bolts/"> Stud Bolts</a></h3>
<h3 class="cata_1"><a href="http://127.0.0.5/Hex-Bolts/"> Hex Bolts</a></h3>
<h3 class="cata_1"><a href="http://127.0.0.5/Square-Bolts/"> Square Bolts</a></h3>
<h3 class="cata_1"><a href="http://127.0.0.5/Flange-Bolts/"> Flange Bolts</a></h3>
<h2 id="cata_2"><a href="http://127.0.0.5/Nuts/"> Nuts</a></h2>
<h3 class="cata_2"><a href="http://127.0.0.5/Flange-Nuts/"> Flange Nuts</a></h3>
<h3 class="cata_2"><a href="http://127.0.0.5/Nylon-Lock-Nuts/"> Nylon Lock Nuts</a></h3>
<h3 class="cata_2"><a href="http://127.0.0.5/Hex-Nuts/"> Hex Nuts</a></h3>