Passing XML-Instance but only use some "data"

Hello,

I just test around with Chiba and XForms. Now I have a little probelm:

- I have an instance with a XML-Tree with data
- The Form should only use "some" of the data.
- The XForms should only submit some specified data.

Just an example:

instance:
<data>
  <val1>test</val1>
  <val2>test</val2>
  <val3>test</val3>
  <val4>test</val4>
</data>

The Form should only display input's for <val1> and <val2>. And if it is
sent, the sent XML should only have <val1> and <val2> in it, not <val3> or
<val4>.

I just have one big dump of some XML-Instance-Data, and I can't split it
up (system-Requirements), but I just need to provide several ways of Forms
for SOME of this data.

Hmm I hope you know what I mean, and I hope someone could help me.



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