jQuery only works if I hard code it into the html.tpl.php
Drupal core ships with jQuery. You can check the version in your &lt;drupal_install_directory&gt;/misc/jquery.js file. If you want to use the later version of the library, you need to install the jQuery Update module.


  Upgrades the version of jQuery in Drupal core to a newer version of jQuery.
  Updates...
  
  
  Drupal 5 to jQuery 1.2.6
  Drupal 6 to jQuery 1.3.2
  Drupal 7 to jQuery 1.5.2/1.7.1/1.8.2, and jQuery UI 1.8.11