>It is much more efficient to do that type of validation client-side, using
>Javascript.  No
>sense in making another round trip to the server if not necessary.

True.. but this only works if your visitor has javascript enabled.. the 
biggest avantage in serverside scripting IMHO is you can forse things to 
happen.. Besides, a visitor with a rather old browser might get bombed with 
javascript errors..

An if .. then loop will do the same.... but.. serverside.



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