DJ U.S. Indexes (weight's)

I found a list of all indexes DJ and I got interested in
"DJ U.S. Indexes"

I found free access composition of these indices and graphics.
But I have not found information about "weight of index"
Where could I find it?
Where could I find it?
For each company, part of the index
(for example http://www.wikinvest.com/wiki/Dow_Jones_U.S._Airlines_index)

I know I could get more information on Bloomberg for the money, but I could not find exactly where they offer this.
Maybe you can help me?
I will be very grateful for any help in finding information.
 
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