Hi to every one!I have a form, and ther is some input fields wicht i want to be enabled or visible when a user check a checkbox.for example:checkboxes:E-mail On Event (CHECKBOX) SMS On Event (CHECKBOX) Pop Up On Event (CHECKBOX) Beep On Event (CHECKBOX) Skype On Event (CHECKBOX) Telefoon On Event (CHECKBOX) inputfields:When i check the Email On Event then i want to see this fields, or the field must be enabled to be filled in, otherwise enabled or invisible:E-mail Adres #1 (INPUT FIELD)E-mail Adres #2 (INPUT FIELD)E-mail Adres #3 (INPUT FIELD) When i check the SMS On Event then i want to see this fields, or the field must be enabled to be filled in, otherwise enabled or invisible:Mobiele Nummer (INPUT FIELD) When i check the POP On Event then i want to see this fields, or the field must be enabled to be filled in, otherwise enabled or invisible: Pop Up (INPUT FIELD) When i check the Beep On Event then i want to see this fields, or the field must be enabled to be filled in, otherwise enabled or invisible: Beep (INPUT FIELD) When i check the Skype On Event then i want to see this fields, or the field must be enabled to be filled in, otherwise enabled or invisible: Skype (INPUT FIELD) When i check the Telefoon On Event then i want to see this fields, or the field must be enabled to be filled in, otherwise enabled or invisible: Telefoon (INPUT FIELD) tanxnavid