user interface - How to create or modify the google maps controls?s -

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i wonder how sites trulia.com , fotocasa.com customized google maps ui website

ex1: http://www.trulia.com/for_sale/pinecrest,fl/x_map/#for_sale/pinecrest,fl/x_map/2_p/

they created custom controls maps (think custom html elements overlayed on map), explained examples in google maps api v3 (click here).


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