请问在petshop里面default.aspx里面的图的热点是怎么实现的？

请问在default.aspx里面的图的热点是怎么实现的，default.aspx 里面的html里面的代码是不是都是都是手写的吗？？？
下面都是手写的吗
%@ Page Language="c#" AutoEventWireup="false" enableSessionState="ReadOnly"%>
<%@ Register TagPrefix="PetsControl" TagName="Banner" Src="Controls/Banner.ascx" %>
<%@ Register TagPrefix="PetsControl" TagName="NavBarNoMenu" Src="Controls/NavBarNoMenu.ascx" %>
<HTML>
 <HEAD> <title>PetShop</title>
 <meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
 <LINK href="Styles.css" type="text/css" rel="stylesheet">
 </HEAD>
 <body>
 <table height="100%" cellspacing="0" cellpadding="0" width="100%" border="0">
 <tr>
 <td valign="top">
 <PetsControl:navbarnomenu id="header" hidecategorymenu="true" runat="server"></PetsControl:navbarnomenu>
 <table cellspacing="0" cellpadding="0" border="0">
 <tr>
 <td colspan="4" valign="top"><img alt="" src="Images/lizardC.gif" width="210" height="74"></td>
 <td rowspan="2" valign="top">
 <img src="Images/space.gif" width="1" height="26"> 
 <map name="mainMap">
 <area href="Category.aspx?categoryId=BIRDS" alt="Birds" coords="408,133,514,239" shape="RECT">
 <area href="Category.aspx?categoryId=FISH" alt="Fish" coords="2,250,108,356" shape="RECT">
 <area href="Category.aspx?categoryId=DOGS" alt="Dogs" coords="108,326,214,432" shape="RECT">
 <area href="Category.aspx?categoryId=REPTILES" alt="Reptiles" coords="348,254,454,358" shape="RECT">
 <area href="Category.aspx?categoryId=CATS" alt="Cats" coords="242,334,348,440" shape="RECT">
 <area href="Category.aspx?categoryId=BIRDS" alt="Birds" coords="280,180,350,250" shape="RECT">
 </map><img src="Images/splash.jpg" usemap="#mainMap" width="548" height="466" border="0">
 </td>
 </tr>
 <tr>
 <td valign="top" width="20"><img src="Images/space.gif" width="20" height="1"></td>
 <td bgcolor="#f6e19e" valign="top" width="40"><img src="Images/space.gif" width="40" height="1"></td>
 <td valign="top" bgcolor="#f6e19e" width="132">
 <a href="Category.aspx?categoryId=FISH" class="catLink">Fish</a> 
   Saltwater 
   Freshwater
 <a href="Category.aspx?categoryId=DOGS" class="catLink">Dogs</a> 
   Poodle 
   Greyhounds
 <a href="Category.aspx?categoryId=REPTILES" class="catLink">Reptiles</a> 
   Iguanas 
   Snakes 
   Turtles
 <a href="Category.aspx?categoryId=CATS" class="catLink">Cats</a> 
   Manx 
   Persian
 
 <a href="Category.aspx?categoryId=BIRDS" class="catLink">Birds</a> 
   Eclectus 
   African Greys 
   Macaws 
 <a href="WebServices.asmx" class="webServiceTestLabel">Test Web Service</a>
 <img src="Images/space.gif" width="1" height="30"> 
 </td>
 <td width="20"><img src="Images/space.gif" width="20" height="1"></td>

解决方案 »

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<img src="Images/space.gif" width="1" height="26"> 
 <map name="mainMap">
 <area href="Category.aspx?categoryId=BIRDS" alt="Birds" coords="408,133,514,239" shape="RECT">
 <area href="Category.aspx?categoryId=FISH" alt="Fish" coords="2,250,108,356" shape="RECT">
 <area href="Category.aspx?categoryId=DOGS" alt="Dogs" coords="108,326,214,432" shape="RECT">
 <area href="Category.aspx?categoryId=REPTILES" alt="Reptiles" coords="348,254,454,358" shape="RECT">
 <area href="Category.aspx?categoryId=CATS" alt="Cats" coords="242,334,348,440" shape="RECT">
 <area href="Category.aspx?categoryId=BIRDS" alt="Birds" coords="280,180,350,250" shape="RECT">
 </map><img src="Images/splash.jpg" usemap="#mainMap" width="548" height="466" border="0"> 关键是这段代码. DW里面的图片属性里面有个地图的属性,可以设置圆形,矩形及多边型热点
area  href="Category.aspx?categoryId=BIRDS"  alt="Birds"  coords="280,180,350,250"  shape="RECT" href="Category.aspx?categoryId=BIRDS" 这个打开是什么连接？谢谢解答
昏倒,你点点不就知道了,不是告诉你了:href="Category.aspx?categoryId=BIRDS??????????
<area href="Category.aspx?categoryId=FISH" alt="Fish" coords="2,250,108,356" shape="RECT">
 <area href="Category.aspx?categoryId=DOGS" alt="Dogs" coords="108,326,214,432" shape="RECT">
 <area href="Category.aspx?categoryId=REPTILES" alt="Reptiles" coords="348,254,454,358" shape="RECT">
 <area href="Category.aspx?categoryId=CATS" alt="Cats" coords="242,334,348,440" shape="RECT">
 <area href="Category.aspx?categoryId=BIRDS" alt="Birds" coords="280,180,350,250" shape="RECT">
 </map><img src="Images/splash.jpg" usemap="#mainMap" width="548" height="466" border="0">
area  href="Category.aspx?categoryId=BIRDS"  alt="Birds"  coords="280,180,350,250"  shape="RECT" href="Category.aspx?categoryId=BIRDS" 我知道打开这个，但我不知道怎么出来个 Category.aspx?categoryId=BIRDS。我zai =
Category.aspx?categoryId=BIRDS是个超链接文件吗
Category.aspx?categoryId=BIRDS是一个网页文件啊,只是带了个参数啊