I suggest, that you use "classification" for this.
See http://ez.no/developer/ez_publish_3/documentation/customization/components/datatypes/ezxmltext/classification
and
http://ez.no/developer/ez_publish_3/documentation/customization/custom_design/override_templates Based on classification, you can create override template, but I think, that the "classification" text is also available to the template, so you could use one template and decide in this template, what do do.
