fixed small bug where the pin dropper function didn't work

GMaps.php

@@ -284,7 +284,7 @@ function addAddress() {
         geocoder.geocode({ 'address': address}, function(results, status) {
             if (status == google.maps.GeocoderStatus.OK) {
                 var marker = new google.maps.Marker({
-                    map: map,
+                    map: myMap,
                     position: results[0].geometry.location});
             }
         });