Adding event listener to infowindow Google Maps v3
There is no documented "click" or "mouseover" event for an InfoWindow: The only documented events on an google.maps.InfoWindow (at present) are:
Events
closeclick Arguments: None
This event is fired when the close button was clicked.
content_changed Arguments: None
This event is fired when the content property changes.
domready Arguments: None
This event is fired when the containing the InfoWindow's content is attached to the DOM. You may wish to monitor this event if you are building out your info window content dynamically.
position_changed Arguments: None
This event is fired when the position property changes.
zindex_changed Arguments: None
This event is fired when the InfoWindow's zIndex changes.
You can add listeners for "click" and "mouseover" events on the content of the InfoWindow.