[ZWeb] how to pass dynamic value in session

[P.Sanjay]

I want to store a dynamic value in dtml session...like..

<dtml-let data="sessionMgn.getSessionData()">
<input name="name" width=30 value=""> 
<dtml-call "data.set('name', nameobject)">
</dtml-let>

now i want to pass on the value entered in textbox in session object 
that is nameobject...how do i do that..plz let me know how to do this 
in dtml....
in somewhere i found that as a method session value is passed ...so let 
me know with out python script is it possible to pass DYNAMIC VALUE to 
session..
help me out...
reg