OK. Thanks. We'll use the MCUBE solution unless you think that there is a motivation to implement a stop chan for restarts. Please let me know. Lincoln -- Lincoln J. Greenhill Smithsonian Astrophysical Observatory Office: 1 617-495-7194 60 Garden St, Cambridge, MA 02138 Cell: 1 617 851 8918 E-mail: greenhill at cfa.harvard.edu FAX: 1 617-495-7345