three radio button ----- two of them is options select and one textbox with the third radio button i want that by check the radio button related options select or textbox enable otherwise disable..... code --- input type="radio" checked="true" name="actmode" value="setact" select name="activity" size="1" input type="radio" name="actmode" value="setlead" select name="leadername" disabled size="1" input type="radio" name="actmode" value="setpoll" input type="text" name="pollno" disabled value=""