diff --git a/public/js/main.js b/public/js/main.js
index 0cbe297..6cfe031 100644
--- a/public/js/main.js
+++ b/public/js/main.js
@@ -50,6 +50,12 @@ function init() {
         }
     });
 
+	myMap.events.add('boundschange', function(e){
+		if (!myMap.balloon.isOpen()) {
+			history.pushState({}, document.title, "/?lat="+e.get('newCenter')[0]+"&lng="+e.get('newCenter')[1]+"&zoom="+e.get('newZoom'));
+		}
+	});
+
     im = new ymaps.Placemark(
             [ymaps.geolocation.latitude, ymaps.geolocation.longitude],
             {
@@ -103,7 +109,10 @@ function getPoints()
             if (getURLParameter('point') !=  'null')
             {
                 showInfo(getURLParameter('point'));
-            }
+            } else if ( (getURLParameter('lat') !=  'null')&&(getURLParameter('lng') !=  'null')&&(getURLParameter('zoom') !=  'null') )
+			{
+				myMap.setCenter([getURLParameter('lat'), getURLParameter('lng')], getURLParameter('zoom'));
+			}
         }
     });