locating a spot on a graphic

Hi..  We have a city map using co-ordinates for linking to specific info on
various buildings, etc.  It brings up an information page with data and photos
displayed.  

My question is, when this information page is accessed from another direction,
say a menu, can there still be a link that operates in 'reverse', back to the
map and the building in question?   We still want people to see the map,
relating a specific site, whether they start there or end up there. 

The map could perhaps position itself so that the point of interest is always in
the center, or that it blinks, or has a arrow pointing to it.  It doesn't matter
what the final display looks like, just that is shows a particular location
clearly.  

Thanks for any ideas.

Floyd


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