I will be out of the office starting 12/22/2008 and will not return until 01/05/2009. I will be out of the office on PTO from Dec 22 through Jan 4, returning to the office January 5. If you have any questions regarding Construction Economics and/or Cost Model, please email me and/or contact Bradley A Njus at 510 625 4595. If this an emergency situation and you need to contact me, please call me at 510 421 3863. Thanks and I hope you have a great holiday season with loved ones. Meery Christmas and Happy New Year, Ralph Thanks. Ralph