Check out the jQuery Metadata plugin: http://plugins.jquery.com/project/metadata http://plugins.jquery.com/project/metadata It lets you choose where to define

Check out the jQuery Metadata plugin: http://plugins.jquery.com/project/metadata http://plugins.jquery.com/project/metadata It lets you choose where to define this kind of custom data: in an arbitrary attribute, as a class within the className attribute, or in a script tag.