Check sy-batch vaiable.
if sy-batch = 'X', program is running in background mode
http://help.sap.com/saphelp_nw04s/helpdata/en/7b/fb96c8882811d295a90000e8353423/content.htm
Check sy-batch vaiable.
if sy-batch = 'X', program is running in background mode
http://help.sap.com/saphelp_nw04s/helpdata/en/7b/fb96c8882811d295a90000e8353423/content.htm