'======================上篇文章===============================

<span class="style1">.上篇文章:</span><span class="style2">
      <% set rs1=server.createobject("adodb.recordset")
   sql="select * from art where art_id<"&cint(request("art_id"))&" order by art_date desc"
   rs1.open sql,conn,1,3 %>
         <a href="?artcat_id=<%= rs1("artcat_id") %>&art_id=<%= rs1("art_id") %>"><%= rs1("art_title") %></a>
         <% If rs1.eof and rs1.bof Then %>
     没有上篇文章了</span>
             <% End If %>

'======================下篇文章===============================

<span class="style1">.下篇文章:</span><span class="style2">
                    <% set rs2=server.createobject("adodb.recordset")
   sql="select * from art where art_id>"&cint(request("art_id"))&" order by art_id desc"
   rs2.open sql,conn,1,3 %>
                    <a href="?artcat_id=<%= rs2("artcat_id") %>&art_id=<%= rs2("art_id") %>"><%= rs2("art_title") %></a>
                    <% If rs2.eof and rs2.bof Then %>
  没有下篇文章了</span>

'======================相关文章===============================

.相关文章:
          <span class="style2">
          <% set rs3=server.createobject("adodb.recordset")
    sql="select * from art where art_content like '%"&rs("art_content")&"%' and art_id<>"&rs("art_id")&" order by art_id desc"
    rs3.open sql,conn,1,3
    do while not rs3.eof and k<5%>
                      <a href="?artcat_id=<%= rs3("artcat_id") %>&art_id=<%= rs3("art_id") %>"><%= rs("art_title") %>  </a> 
                      <% rs3.movenext
k=k+1
loop %> 
                      <% If rs3.eof and rs3.bof Then %>
                      没有相关文章
                      <% End If %>
                      </span>