you can use following to send  & receive  value from/to
Jsp pages:
to get values
<%
String var= request.getParameter("name");
%>
to Set values
<%
request.setParameter("name","value");
%>

if u want to send  parameters from a JSP page pass them
as Hidden parameters
<input type=hidden name=param1 value="<param value
here>"/>

if u want to receive  parameters in a JSP
use request.getparamenter("<parameter name>");
in scriplet tag