sending image back to db

[Potbelly]

Hi i`m new to php and to be honest a little bit out of my depth at the moment with what i am trying to do.

So far,
I have a form linked to a mysql database.
The user fills out the form and is redirected to a results page showing the submitted info as well as a map of the users chosen region.

I now want the user to be able to plot their location on this map and send this "new image" back to the db.

I have found a small javascript that allows drag and drop of the marker onto the map image but i am stuck with how to join the two functions together.
Is it possible to do?

Thanks
Potbelly.

[Pig]

AFAIK, you would have to modify the javascript to change the values of a hidden form field that contains the x,y of the position on the image.

However, if you use an image as a submit button, it automatically pass the x and y as form data. You would have to get rid of the javascript, but it would easier.