random number generator

Dear all,

I am using the jakarta-taglibs 'random' taglib to generate a 10
character-long session id:

<rand:string id="r" charset="a-zA-Z0-9" length="10"/>

I would like to be able to use this session id within the SESSION, so
naturally i want to try this:

session.setAttribute("id",  r.getRandom() );

Unfortunately, the only way to access the random number, is via:

<jsp:getProperty id="r" property="random"/>

so i would then try and write this:
session.setAttribute("id",  %> <jsp:getProperty id="r" property="random"/>
<% );

But this doesn't work either.  So my question is, how do I pass a taglib
property into a session attribute in the FIRST PAGE.

(I have worked out how to use a hidden form field to pass the number BACK
into the page, or into another page, but I need to access the number WITHIN
the first page.

Any suggestions?
S

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