<p>Hi </p> <p>I have seen similar questions but wonder if there is an example somewhere </p> <p>I want to have a user select and option from on drop down list which then shows different details in a second list </p> <p>For me this is could be </p> <p>List 1 </p> <ol> <li>Airports</li> <li>Seaports</li> </ol> <p>List 2 (1) </p> <ol> <li>London Heathrow</li> <li>London Gatwick</li> <li>Manchester</li> </ol> <p>List 2 (2) </p> <ol> <li>Dover</li> <li>Southampton</li> </ol> <p>In a 'perfect' world scenario </p> <p>List 1 </p> <p>Option (-1) Select Destination (type) </p> <p>When a valid option is chosen display (show / unhide) list 2 </p> <p>In a 'wonderful' world scenario </p> <p>As above but an option of (-2) New Location </p> <p>which would trigger text boxes for the user to enter their own destination </p> <p>Thanks </p> <p><br> </p> <p>Dave </p>