I'm trying to create a page that holds all relevant information about a site....Documents, Permits, Purchase Orders etc...

I have a Site form with all relevant subforms...Documents, Permits, Purchase Orders, etc...

On the page, I have an embedded report with all sites listed. 

What I want to do is update the surrounding iframes (Documents, Permits, Purchase Orders, etc...) with the corresponding report records for a single site when I click on the site in the embedded report. 

I know how to pass the url parameters from a function to the SRC of the iframe, what I'm unsure of is how to pass the specific record to the function to create the url for the iframe SRC.

How do you set this up? Any guidance would be appreciated.