GmapsHiddenMarkers
Display hidden markers on google maps javascript api (markers outside the map bounds).
Use when you need to display an indicator that a marker is outside the given map bounds. This is a response to http://stackoverflow.com/q/16731416/503141
You can see a sample on: http://htmlpreview.github.io/?http://raw.github.com/mateuyabar/GmapsHiddenMarkers/master/sample.html