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<td height='68' width='140' bgcolor='#EFF6FB'><div align='center'>1单元18层01号房</div>  <div align='center'  style='cursor:hand' onclick=' openContent(302273);'><img src='/images/house/ks.gif' border='0'></div></td> <td height='68' width='140' bgcolor='#EFF6FB'><div align='center'>1单元18层02号房</div>  <div align='center'  style='cursor:hand' onclick=' openContent(302274);'><img src='/images/house/ks1.gif' border='0'></div></td> 
<td height='68' width='140' bgcolor='#EFF6FB'><div align='center'>1单元18层03号房</div>  <div align='center'  style='cursor:hand' onclick=' openContent(302275);'><img src='/images/house/ks.gif' border='0'></div></td> 
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还有很多个
<td height='68'...>...</td>
<td height='68'...>...</td>我应该怎么获得302273  /images/house/ks.gif
              302274  /images/house/ks1.gif
              302275  /images/house/ks.gif
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