processing certain xml ,xsl file with xsp under cocoon

Hy,

I hope this is the right forum for my question, but I think the answer has something to do with XSL.
I don't know know how to open new XML files with a certain XSL file with 
the help of XSP and my Mysql database in Cocoon.

I have a table called sites with an column for id,lang,XML,XSL, in my xsp-
file I have a string-array called parameters where the 2 parameters of
the typed url (e.g. blablabla.com/main.xsp?id=220&lang=eng ) are 
saved.
Depending on these two parameters I want to process the certain XML file 
with the XSL file which are in my database(as a link of course).

Any idea how to manage this?

I can output the values of the parameters, that's not the problem, but how 
do I say Cocoon that it has to process these two files from my database?

Any suggestions or examples or links are welcome.


Thanks.
Homer30


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