Does this modular approach works well in jsp?

HI all!
we are currently working on an application having more then 25 parameter (setup) tables and in almost all the pages we need to fill one or more combos from those tables (like combo of all countries,currencies e.t.c).
Instead of writing logic for filling those combos in each page i have defined small pages all containing the logic (and HTML)for filling a single combo....like for filling a combo having all countries in the database i have made a seprate litle page which does that (no HTML,BODY,FORM tages in it just a combo and logic of filling it)..... this way i have made those 25 pages each having a combo....
now when ever i need any of those combos in my page i just include them using <jsp:include> action...this way i only have to add one line in my page and combo is included at that point....
this approach is working fine.....But i have one doubt about it ....as it is a distributed application so if there are 100 or more users accessing pages having those combos then it will let the application down ...as a sngle jsp will load for those 100 or more users (assuming all hundrad pages have one common combo)..and since we are not managing any pool for those jsps therefore a time will come when our server will go out of memory....
so question is can we pool our jsps the same way as we pool other java objects?....or do you have any other good approach for that?
plz tell me ASAP it's urgent
thanks in advance
sajjad ahmed paracha

Try using custome tags for each of the combos. The server will hold a pool for the tags, getting, serving, then releasing from/to the pool as necessary.
If you are using a JSTL 2.0 container (like Tomcat 5, the syntax for making a .tag (tag-file) custom tag is not much different that JSP pages.
Or you could use Tag Handlers (java classes that implement from javax.servlet.jsp.tagext.Tag).
Chapter 15 of the J2EE tutorial explains: http://java.sun.com/j2ee/1.4/docs/tutorial/doc/JSPTags.html#wp74644

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