Script to save iframe source (cookie?)

hi,

i would be very very grateful if someone can help me out here.

i a iframe on my webpage, who’s src location if the same domain. as in my other page under the same domain.

what i’d like to do is when a visitor leaves my site, i want the src of the iframe to be saved and when the same visitor visits the site. that last src will load within that iframe.

is this possible.

many many thanks.

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