Lee, > thanks for your help. your questions and comments helped. this ticket > can be closed. I'm glad I could help. For the sake of others who might see this ticket in trying to solve a similar problem, would you mind telling us what the problem was? Regards, Steve Emmerson Ticket Details =================== Ticket ID: ZYA-653620 Department: Support LDM Priority: Normal Status: Closed =================== NOTE: All email exchanges with Unidata User Support are recorded in the Unidata inquiry tracking system and then made publicly available through the web. If you do not want to have your interactions made available in this way, you must let us know in each email you send to us.