Identity Increment

Hello, I need some help writing a script to generate Identity keys. I cannot use the row number generator because I would like to start the identity at a package level variable. Is this possible?
Thank you in advance

I just find this using a web search engine:

http://www.sqljunkies.com/WebLog/sqlbi/archive/2005/05/30/15684.aspx

I know that has been also discussed in this forum; I recommned you tu use the search functionality of the forum

|||http://www.ssistalk.com/2007/02/20/generating-surrogate-keys/