Xsd Creation

Hi,
I have created IS Schema using XSD.and target name space as like"
http://GEDIWMBLDDEV1.genzyme.com/genzSerialization/services/webservices/provider/receiveShipmentWrapperProvider" and tns element also same.

I have to create one more schema with the same structure and target name space as “unspecified”

please suggest me which elements i have to chage in XSD?