js test2 javascript

BASE info
<div class="timeclass">2013/04/29 18:13</div>
<div id="timeid">2013/04/29 18:15</div>
<input type="text" name="s3" value="666666" class="c_4" id="id_5a" />
<!--
<div class="c_4" id="id_5a" />77777</div>
-->


<div class="classbox">
<form id="" action="">
<input type="text" name="s1" value="" class="c_1" />
<input type="text" name="s2" value="" id="c_2" />