thanks a lot for ur response. i want active and inactive a group oc check box or a table by check and unchecked same chack box. i mean if i clicked group of check box or table will inactive/off and if unclicked then active check box or table. as example there is a check box called "checkbox1" and there is a table clalled "table". i want inactive and active by check and unchecked. pls give me a java code.