捕捉当前活动对象;很好用的一个东西!
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
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<td align="center" style="cursor:hand">11</td>
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<td align="center" style="cursor:hand">14</td>
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<tr>
<td align="center" style="cursor:hand">21</td>
<td align="center" style="cursor:hand">22</td>
<td align="center" style="cursor:hand">23</td>
<td align="center" style="cursor:hand">24</td>
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