Thanks to all who responded promptly. Special thanks to Michael Wookey. His solution is the most elegant one. It is based on upward search (which I did not know about). Therefore, setting following in .vimrc really did trick for me:
"Make sure semicolon is there. Used for upward search set tags=tags; Zarko ____________________________________________________________________________________ It's here! Your new message! Get new email alerts with the free Yahoo! Toolbar. http://tools.search.yahoo.com/toolbar/features/mail/