isSelected functionality

Hi Pavel, I've mentioned this before.... In a list of objects, I can flag an item, or select an item (by clicking the checkbox). You provide the ability to view/filter flagged items in views, and also methods called rbv_api.isFlagged(objName, objId, userId) and rbv_api.setFlagged(objName, objId, userId, isFlagged) Would be possible to provide the same functionality for selected items (ie those with ticks in their checkboxes)? Presently, if my user wants to e-mail three documents to a client, they flag those three documents, and then I have an e-mail template which includes flagged documents as attachments. I would prefer to use record selection with the checkboxes instead of flags. This would mean the ability to filter views to show where 'selected' = true, as well as apis called rbv_api.isSelec