[xsl] Key and document() problem ?

Hello,
 
I would like to construct a key based on a different document, but I saw that 
is was not going to work. So I'm going explain what I want to do, since now I 
have no idea how it could be done.
Here are two pieces of the document I'm working on :

<job>
  <universe>
    <monitor id="45995" timeout="10000">
      <step id="1" timeout="4000">
        <request id="1"/>
      </step>
      <step id="2"timeout="9000">
        <request id="2"/>
        <request id="3"/>
      </step>
         </monitor>
        </universe>
</job>

And

<monitor id="45995">
        <site>
                <test id="36">
                        <request id="1">
                                <data id="4" value="2394"/>
                        </request>
                        <request id="2">
                                <data id="4" value="1969"/>
                        </request>
                        <request id="3">
                                <data id="4" value="5451"/>
                        </request>
                </test>
        </site
</monitor>

The whole thing is about selecting the requests of the 2nd document according 
to their step in the first document. So, usually it was easy since I had a 
for-each loop for the steps. The "step" level was so preserved. ie, I calculate 
the sum of request/data/@value in each step. That would be 2394 for step 1 and 
1969+5451 for step2.
Now my problem is that I don't have the for-each step loop, but I still have to 
sum request according to the step they are in.
Here is the beginning of what I want to do : 
<xsl:variable name="count" select="count(monitor/site/test[
                                request
                                and not(request/@errorcode) 
                                and not(request/@errortype)
                                and 
document($job)/job/universe/monitor[(_at_)id=$monitorid]/@timeout > 
                                        
sum(request/data[(_at_)id=$dataid]/@value)])" /> This variable has the number 
of tests for wich the sum of request/data/@value is < to the timeout from the 
first document. Now, for these tests, I want to know, for each step, if the sum 
of request/data/@value (request being in the step) is also < to the step 
timeout.
To begin with, I would like to know something like : 
<xsl:variable name="count" select="count(monitor/site/test[
                                request
                                and not(request/@errorcode) 
                                and not(request/@errortype)
                                and 
document($job)/job/universe/monitor[(_at_)id=$monitorid]/@timeout > 
                                        
sum(request/data[(_at_)id=$dataid]/@value)]
                                
                                /request[(_at_)id = (first id of a step))" />

I don't know if it's clear. I don't even see clearly myself how I could achieve 
this. Let me know if I can add details. My scripts are working under PHP5

Tanks for any advice...


Émilise Victor

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