[xsl] dynamic xsl file - ignore if seem before

["=?big5?B?qkwgpGyq5A==?=" <minikittygo at hotmail dot com>]

(please ignore if see before, i have posted few hours ago but i keep 
getting Not sent messages')

Hi
i was wondering can anyone help me on this question? i was wondering 
whether it is possible to embedded a piece of xsl code into a xhtml file 
and use such information for transformation later on. 
e.g. source.xml USES sample.xhtml (contain xsl script) TO TRANSFORM new.xml 


if so, can someone tell me how it is done and how is the xslt processor 
(currently i am using xalan) regonise which is the code needed within the 
xhtml file to transform the file.

Secondly i would like to hear some advice from everyone to see whether the 
problem and solution i have is, well firstly valid/feasible and secondly 
will it work... Please connect me if i am wrong.... 
the approach i mention above is what i was considering to use to solve my 
problem... 

Firstly an xml file is created which is transfrom into a html file to allow 
user to read easily. a form is provided within this html page so it allow 
user to select which piece of information they would like to look into. 
(this is nothing more than a filtering operation) 

I was consider to transfer the value the user inputted into a xpath 
expression and added onto the existing xsl file. then perform a 
trnsformation through xalan (using the orginial xml file) to recieve a 
filtered html results. (please tell whether this is the right approach or 
not)
 
The problem lies is that how am i going to use the value inputted by the 
user to write my xpath expression. i know one way to do is using server 
side scripts like PHP or ASP. but i was wondering whether there is any 
client side solution to this probelm? i was thinking to write the user 
input into an xpath expression on a separate file but that is not permitted 
using javascript. 
if anyone has some sort of idea please help me out on this as i am stuck 
with this problem for some time now.

Many thanks
Regards
kit 




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