Jquery Theme Roller to WordPress

The most important thing is to hook the functions, that register/enqueue your styles and scripts, at the right “time”.

This would be on the admin_*/wp_*/login_enqueue_scripts-hooks.

^{Read about the instruction on WPDevel.}

This answer provides even more details about the process of registering scripts & styles.

If you want to check if your script/style passed certain points inside WP_Dependencies, then simply use the following functions:

// is registered?
wp_script_is( $handle );
wp_style_is( $handle );
// is enqueued?
wp_script_is( $handle, 'queue' );
wp_style_is( $handle, 'queue' );