首页如何做导航

原来做的首页是静态的。都是写死的。现在要将这些变成动态的。静态代码为以下：

google_ad_width = 250; google_ad_height = 250; google_ad_format = "250x250_as"; google_color_url = "000000";

<tr>

<td height="31" colspan="4" valign="top"><img src="imges/Snap21.gif" alt="" width="40" height="31">

<span class="STYLE7">

<ahref="http://www.bluespace.cn/CF/main.aspx" target="_self"></a>

</span>

<span class="STYLE7">

<a href="main.aspx" target="_self"><img src="http://www.bluespace.cn/CF/imges/sy.gif" alt="a" width="59" height="31" border="0"></a>

</span>

<span class="STYLE7">

<a href="main.aspx?sort=0008" target="_self"><img src="http://www.bluespace.cn/CF/imges/zhgl.gif" alt="" width="88" height="31" border="0"></a>

</span>

<spanclass="STYLE7">