动物童话故事作文350字:网站动态显示栏上的图片显示不出来

这是原代码．我不懂这个地方的东西
以前没做过特在此请教高手

<td height="18" colspan="2" background="images/yh_admin_03.jpg"><div align="center"></div>
<div align="left">社区活动公告：</div></td>
</tr>
<tr valign="top">
<td height="36" colspan="2" ><marquee direction=up height=40 onMouseOut=this.start() onMouseOver=this.stop() scrollamount=1 scrolldelay=100 width="222" id=MARQUEE1>
<IFRAME marginWidth=0 marginHeight=0 src="bbs/top.asp?boardID=50&good=1" frameBorder=0 width=200 scrolling=no height=45>
<NOSCRIPT></NOSCRIPT>
</IFRAME>
</marquee></td>
</tr>
<tr >
<td height="15" colspan="2" background="images/yh_admin_03.jpg">热帖推荐：</td>
</tr>
<tr valign="top">
<td height="40" colspan="2" ><marquee direction=up height=40 onMouseOut=this.start() onMouseOver=this.stop() scrollamount=1 scrolldelay=100 width="222" id=MARQUEE1>
<IFRAME marginWidth=0 marginHeight=0 src="bbs/top.asp?hot=1" frameBorder=0 width=200 scrolling=no height=145>
<NOSCRIPT></NOSCRIPT>
</IFRAME>
</marquee></td>
</tr>