[themes] setting class on primary links

Currently I'm calling the primary nav in my theme like so: 'links primary-links')) ?> But when it's displayed Drupal is assigning what appear to be random classes to the list items, like: What's the easiest way to go about applying the desired css to these links? Is there a way to tell Drupal what class to assign? Thanks, Jeremy _________________________________________________________________ See what people are saying about Windows Live. Check out featured posts. http://www.windowslive.com/connect?ocid=TXT_TAGLM_WL_connect2_082008