This week's book giveaway is in the Testing forum. We're giving away four copies of The Way of the Web Tester: A Beginner's Guide to Automating Tests and have Jonathan Rasmusson on-line! See this thread for details.
From your question what i understand is you need to change the prefix in your wsdl
You need to find out where the schema prefix is defined and change accordingly.
xmlns:xs="http://www.w3.org/2001/XMLSchema" change this to
This should do, let me know if your question misunderstood.