Restricted Randomization

[Al Best <AlBest@vcu.edu>]

JMP mavens,

It's pretty easy to use the Uniform function to allocate subjects 
randomly to Drug and Placebo with (approximately) 50% probability.
What I need to do is a restricted randomization.
Specifically, for 100 subjects I need to do random allocation to Drug vs 
Placebo but--within blocks of 10--I need 5 Drug and 5 Placebo.
Someone out there surely has a JMP data table with such a function written.
Thanks in advance,

Al Best

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