var westhaven = [
new GLatLng(41.88532996099924,-87.66692876815796),
new GLatLng(41.87636743505668,-87.66664981842041),
new GLatLng(41.87599996064392,-87.6914119720459),
new GLatLng(41.88440341230316,-87.69162654876709),
new GLatLng(41.88532996099924,-87.66692876815796)
];
addPolygon(westhaven);