ID (or other attributes) linked to next search item

Hi,

I need to create some display templates for SharePoint and when a user clicks on an item, shows a preview in a lightbox (no problem here). Now the user should be able to see the preview of the next/previous search item directly by using his arrow buttons.

Example:

1. end-user clicks on search result b, system opens a preview lightbox
2. when he clicks his right arrow, the system shows the preview lightbox of result c
3. he clicks again right arrow and the system shows the preview lightbox of result d
4. etc. etc.

My question: how can i know what the ID is (or another attribute) from my next search item. I think i have to pass this from my item display template to my control display templates, but still searching how i'm able to do this.

Thanks in advance!

Dries