I need to populate the value of a hidden field based on what selection a user makes in a drop down list. Now, I for one am having a hard time understanding why I would have such a hard time finding an answer on google...

Anyway, I want to change the value of a hidden field based on what selection a user makes from a select menu.

Simple enough probably, unless you know zilch about javascript in general, and jQuery specifically. This is for a page node in Drupal, so Im really looking to do it with jQuery, as that library is included by default in Drupal.

Thanks for your time