程序员编写分页函数的方法

<%
      page=trim(request("page"))
      maxperpage=40
      first=true
      last=true
      dim rs
      set rs=server.CreateObject("adodb.recordset")
      sql="select id,title,add1,cartype,isred,enterdate,hits from newnews where classtype=0 and pass=1 order by id desc"
rs.open sql,conn,1,1
        rs.pagesize=maxperpage
        totalpage=rs.pagecount
        if len(page)=0 then
        intpage=1
        first=false
        else
            if cint(page)<=1 then
            intpage=1
            first=false
            else
                if cint(page)>=rs.pagecount then
                intpage=rs.pagecount
                last=false
                else
                intpage=cint(page)
                end if
            end if
        end if            
        if not rs.eof then
        rs.absolutepage=intpage
        end if
        for a=1 to maxperpage
        if rs.eof then exit for
        %>
              response.write "bgcolor=#ffffff"
      else
      response.write "bgcolor=#f6f6f6"
      end if
      %>>
          <%=a%>