Allow Javascript API to reference specific visuals on a page

I would like to request that the javascript api be allowed to reference specific visuals on a page and not just the whole page itself.  This would allow greater reuse of existing DXPs as I could have a DXP used from within the normal Spotfire web player but also be able to use specific pieces of it in a mashup.  Currently you are limited to referring to a specific page tab via the API which means you can have only one visual on the page if you want to reference it via a api.  Many spotfire DXPs though have more than one visual per page though which means I either need to duplicate it visual on a separate tab or create an entirely separate DXP for use in the API.