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I'm afraid that's something that can't be done but you may use this widget http://widgets.jotform.com/widget/address_map_locator to achieve something similar.
Related guide: How-to-Add-a-Widget-to-your-Form
The Address Map Locator Widget will allow you to display a map on your form along with an address field right below the map that will allow your users/respondents to manually enter their address (which will then point to the map).
Here's how it works: