I have some radio buttons on this page like this:<BR>O Restaurants<BR> O Italian<BR> O AMerican<BR> O Thai<BR>O Boarding<BR> O boat<BR> O hut<BR>etc. THere are radio buttons under radio buttons. How do I disable or blur second set of radio buttons for boarding if user<BR>chooses restaurants and italian. They cannot select restaurant and boat. <BR><BR>Thanks<BR>