strict warning: Only variables should be passed by reference in /sites/linuxpc.info/httpdocs/modules/book/book.module on line 559.

Conditional fields

Sometimes you would like a select list, with an option called "Other", that enables a text input field where you can specify that other value. At http://drupal.org/node/330740 I found a nice JQuery solution for this, written by Nathan Haug.