Google maps on my web site.?

I am making a web site that a non-computer literate person has to edit.



This individual can find a particular lognitud and latitude, but they cannot code it into the javascript.



Should I create a backend page that adds and subtracts entries into an XML file and read that into my javascript file when rendering the google map?



If not, then how can I dynamically include locations on the map?Google maps on my web site.?
I think you can actually embed google maps to a site.



Otherwise, if that doesn't work, your idea sounds great!