Your lattitude and longitude variables should be filled by javascript.
So you could use a normal ajax call.

On Thu, Jun 6, 2013 at 2:48 AM, shartha <m.mirghorb...@gmail.com> wrote:
> Is there anyway to reload part of the page, similar to how the LOAD()
> function works, when a dropdown menu is change?
> I can't use simple AJAX, as the part of the page I'd like to be reloaded
> contains a div tag that gets filled by a javascript function when the page
> is loaded. I'd like to be able to fill the target div by the javascript
> function with properties that change based on the value of the dropdown
> menu. Here is part of my code. The code uses the gmaps.js library. The page
> also contains the dropdown menu.
>
> // Javascript code:
> <script type="text/javascript">
>     $(document).ready(function(){
>       map = new GMaps({
>         div: '#map',
>         lat: {{=lattitude}},
>         lng: {{=longitude}},
>         enableNewStyle: true
>       });
>     });
> </script>
>
> // target div:
> <div id="map"></div>
>
>
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