鼠标放到某一色块上背景色就改变

<script language="JavaScript">
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function l()
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<table border="0" cellpadding="0" border="0">
<tr>
<td bgcolor="#00ffff"><a href="JavaScript:l()"
onmouseover="r('#00ffff'); return true"><img src="" border="0" width="10" height="10"></a></td>
<td bgcolor="#663399"><a href="JavaScript:l()"
onmouseover="r('#663399'); return true"><img src="" border="0" width="10" height="10"></a></td>
<td bgcolor="#669933"><a href="JavaScript:l()"
onmouseover="r('#669933'); return true"><img src="" border="0" width="10" height="10"></a></td>
<td bgcolor="#990033"><a href="JavaScript:l()"
onmouseover="r('#990033'); return true"><img src="" border="0" width="10" height="10"></a></td>
<td bgcolor="#666600"><a href="JavaScript:l()"
onmouseover="r('#666600'); return true"><img src="" border="0" width="10" height="10"></a></td>
<td bgcolor="#663366"><a href="JavaScript:l()"
onmouseover="r('#663366'); return true"><img src="" border="0" width="10" height="10"></a></td>
<td bgcolor="#000000"><a href="JavaScript:l()"
onmouseover="r('#000000'); return true"><img src="" border="0" width="10" height="10"></a></td>
<td bgcolor="#FF0000"><a href="JavaScript:l()"
onmouseover="r('#FF0000'); return true"><img src="" border="0" width="10" height="10"></a></td>
<td bgcolor="#CC6600"><a href="JavaScript:l()"
onmouseover="r('#CC6600'); return true"><img src="" border="0" width="10" height="10"></a></td>
<td bgcolor="#CC3399"><a href="JavaScript:l()"
onmouseover="r('#CC3399'); return true"><img src="" border="0" width="10" height="10"></a></td>
<td bgcolor="#666699"><a href="JavaScript:l()"
onmouseover="r('#666699'); return true"><img src="" border="0" width="10" height="10"></a></td>
<td bgcolor="#660033"><a href="JavaScript:l()"
onmouseover="r('#660033'); return true"><img src="" border="0" width="10" height="10"></a></td>
<td bgcolor="#330033"><a href="JavaScript:l()"
onmouseover="r('#330033'); return true"><img src="" border="0" width="10" height="10"></a></td>
<td bgcolor="#333300"><a href="JavaScript:l()"
onmouseover="r('#333300'); return true"><img src="" border="0" width="10" height="10"></a></td>
<td bgcolor="#FFFF00"><a href="JavaScript:l()"
onmouseover="r('#FFFF00'); return true"><img src="" border="0" width="10" height="10"></a></td>
<td bgcolor="#9900CC"><a href="JavaScript:l()"
onmouseover="r('#9900CC'); return true"><img src="" border="0" width="10" height="10"></a></td>
<td bgcolor="#FFCC66"><a href="JavaScript:l()"
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<td bgcolor="#FFFFFF"><a href="JavaScript:l()"
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