taglibs: how can i rewrite an action uri without rendering a html link tag?

[alu, artifex]

i need to rewrite an action uri for use in a javascript function, 
something like this:
----------
function foo()
{
   document.location.href=<html:link action="/foo/bar" paramId="blah" 
paramName="blah"/>;
}
----------
however the <html:link> renders html code which i can't use in my 
javascript function.
the <html:rewrite> tag doesnt provide support for the "action" attribute 
(which, imho, renders
the "transaction" attribute useless). do i have to define an 
actionforward for the action (seems like
rewrite can render an actionforward) or is there a better approach? my 
application depends
heavily on javascript operations like this so i have to define an 
actionforward for nearly every
single action.

thanks in advance,
art
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