Heres something to do too, try to make the function take an argument from a node value , and seed the random number Hint: you are passing a node to the function, and therefore have to treat it like a node, not an int!
This only works with MSXML, and you would have to find other ways of doing with other engines...
There are some good pre-made packages to do this sort of thing for other engines at http://www.exslt.org/math/
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