When I added your plug-in, it broke some of the functionality of another plug-in. When I removed your plug-in the other plug-in got working again.
The other plug-in was: Formidable PRO
WP version: 3.0.4
your plug-in version: 3.0.02
The developer of the other plug-in (who understood the problem correctly, maybe you can contact Formidable directly) analyzed it like so:
A plugin is calling jquery incorrectly and causing conflicts.
The WordPress jquery version is different from the version you are referencing so it needs to be included the WordPress way:
You can read more on how to use wp_enquue_script here: