<script     language="javascript">
                      function     FormHeadler(){      
                        var     url="?page="+document.ps.selectPs.options[document.ps.selectPs.selectedIndex].value+"&action=<%=request("action")%>";      
                        window.location.href=url;                
                    }
                </script>

                  <form name="ps">
                  <select name="selectPs" id="Class" onChange="FormHeadler() ">
                  <%for i=1 to rc.pagecount%>
                      <option value="<%=i%>"><%=i%></option>
                  <%next%>
                  </select>
                  </form>

多谢版主，没错了的
，