Try this logic

1.	Generate a random number between (say) 50 and 100. (r1)
2.	for count = 1 to 	r1
		generate 2 more random numbers between 1 and 52 to be used
as index (i1 and i2) 
		replace element of i1 element of i2 and vice versa
			i.e. swap arrDeck[i1] and arrDeck[i2]

This will guarantee that the values in the array are not touched. And you
are swapping numbers r1 times.
This will always give a nicely shuffled array. Try It.
I would have to think about the implementation but the logic would certainly
work.


-----Original Message-----
From: O'Hara, Elliott M [mailto:EMOHARA@k...]
Sent: Friday, February 22, 2002 2:44 PM
To: javascript
Subject: [javascript] End of the week


So its the end of the week, and I'm not starting anything new...
so I'm playing..

I'm trying to shuffle a deck of cards
The deck (arrDeck[52]) works fine,
but hmm...
I want to simulate a shuffle, in other words, I want 1 - 52 randomly
selected...
but I want them all, and they can't repeat, and I can't beat up the client
cpu...

This is simple and its friday right???

how in the world??? Ideas?






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