diff --git a/README.md b/README.md
index f1c774d..29e66d4 100644
--- a/README.md
+++ b/README.md
@@ -45,6 +45,7 @@
 - [maps api in php](http://www.learningaboutelectronics.com/Articles/Google-maps-API-JSON-PHP.php)
 - [google maps api url parameters](https://developers.google.com/maps/documentation/javascript/url-params)
 - [google maps api references](https://developers.google.com/maps/documentation/javascript/reference)
+- [remove marker cluster](https://googlemaps.github.io/js-markerclusterer/classes/MarkerClusterer.html#removeMarker)
 
 
 ---
diff --git a/srcs/plugins/map_prof/map_prof_hooks.php b/srcs/plugins/map_prof/map_prof_hooks.php
index f699b04..16ca840 100644
--- a/srcs/plugins/map_prof/map_prof_hooks.php
+++ b/srcs/plugins/map_prof/map_prof_hooks.php
@@ -60,6 +60,7 @@ function mp_ljdp_map() {
 	wp_enqueue_script('mp_create_filters',		plugins_url('scripts/mp_create_filters.js', __FILE__),	'',						'',	false);
 	wp_enqueue_script('mp_create_markers',		plugins_url('scripts/mp_create_markers.js', __FILE__),	'',						'',	false);
 	wp_enqueue_script('mp_draw_clusters',		plugins_url('scripts/mp_draw_clusters.js', __FILE__),	'',						'',	false);
+	wp_enqueue_script('mp_filter_events',		plugins_url('scripts/mp_filter_events.js', __FILE__),	'',						'',	false);
 
 	// enqueue footer
 	wp_enqueue_script('mp_marker_clusterer',	$marker_clusterer,										'',						'', true);
diff --git a/srcs/plugins/map_prof/mp_create_div.php b/srcs/plugins/map_prof/mp_create_div.php
index 9260d4f..32c7a34 100644
--- a/srcs/plugins/map_prof/mp_create_div.php
+++ b/srcs/plugins/map_prof/mp_create_div.php
@@ -17,7 +17,7 @@ function mp_create_div(&$filters) {
 		';
 		foreach ($filter as $value) {
 			$mp_map_div .= '
-					<p>'.$value->_name.'</p>
+					<p onclick="mp_filter_selection({lat:43.563, lng:76.4325})">'.$value->_name.'</p>
 			';
 		}
 		$mp_map_div .= '
diff --git a/srcs/plugins/map_prof/scripts/mp_draw_clusters.js b/srcs/plugins/map_prof/scripts/mp_draw_clusters.js
index ed260b4..5f2a74a 100644
--- a/srcs/plugins/map_prof/scripts/mp_draw_clusters.js
+++ b/srcs/plugins/map_prof/scripts/mp_draw_clusters.js
@@ -48,5 +48,5 @@ function draw_clusters(map, markers) {
 		}
 	}
 
-	new markerClusterer.MarkerClusterer({ map, markers, renderer });
+	return new markerClusterer.MarkerClusterer({ map, markers, renderer });
 }
diff --git a/srcs/plugins/map_prof/scripts/mp_filter_events.js b/srcs/plugins/map_prof/scripts/mp_filter_events.js
new file mode 100644
index 0000000..8108329
--- /dev/null
+++ b/srcs/plugins/map_prof/scripts/mp_filter_events.js
@@ -0,0 +1,11 @@
+function mp_filter_selection(coordinates) {
+
+	/*
+	 * following variable are created by mp_add_to_script.php
+	 *
+	 *
+	 */
+
+	console.log(coordinates);
+//	coordinates.setMap(map);
+}
diff --git a/srcs/plugins/map_prof/scripts/mp_info_window.js b/srcs/plugins/map_prof/scripts/mp_info_window.js
index f42dc1f..b8b9034 100644
--- a/srcs/plugins/map_prof/scripts/mp_info_window.js
+++ b/srcs/plugins/map_prof/scripts/mp_info_window.js
@@ -26,6 +26,9 @@ function attach_info_window(map, marker, events, infowindow) {
 
 	marker.addListener('click', () => {
 
+		// test :
+		//marker.setMap(null);
+
 		let view_center = map.getCenter();
 		let marker_position = marker.getPosition();
 		console.log("marker position: " + marker_position);
diff --git a/srcs/plugins/map_prof/scripts/mp_init_map.js b/srcs/plugins/map_prof/scripts/mp_init_map.js
index 1cb602a..16a7634 100644
--- a/srcs/plugins/map_prof/scripts/mp_init_map.js
+++ b/srcs/plugins/map_prof/scripts/mp_init_map.js
@@ -18,27 +18,9 @@ function mp_init_map() {
 	 *            {               [ { - mode      : [] }, ...] }
 	 *            {               [                          ] }
 	 *            {                                            }
-	 *            {               [                          ] }
-	 *            { - villes    : [ { - _name     : "" }     ] }
-	 *            {               [ { - pays      : [] }     ] }
-	 *            {               [ { - categories: [] }     ] }
-	 *            {               [ { - mode      : [] }, ...] }
-	 *            {               [                          ] }
-	 *            {                                            }
-	 *            {               [                          ] }
-	 *            { - categories: [ { - _name     : "" }     ] }
-	 *            {               [ { - pays      : [] }     ] }
-	 *            {               [ { - villes    : [] }     ] }
-	 *            {               [ { - mode      : [] }, ...] }
-	 *            {               [                          ] }
-	 *            {                                            }
-	 *            {                                            }
-	 *            {               [                          ] }
-	 *            { - mode      : [ { - _name     : "" }     ] }
-	 *            {               [ { - pays      : [] }     ] }
-	 *            {               [ { - villes    : [] }     ] }
-	 *            {               [ { - categories: [] }, ...] }
-	 *            {               [                          ] }
+	 *            { - villes    : ...                          }
+	 *            { - categories: ...                          }
+	 *            { - mode      : ...                          }
 	 *            {                                            }
 	 *
 	 * - let filters
@@ -89,14 +71,22 @@ function mp_init_map() {
 
 	let map = new google.maps.Map(map_div, map_options);
 	let markers = create_markers(map, locations, infowindow);
-	draw_clusters(map, markers);
+	let marker_cluster = draw_clusters(map, markers);
 
 	let filters_div = document.getElementById("ljdp_map_filters");
 	//fill_filters(filters_div);
 
 	// add listener to close infowindow at any click on map
+	let toggle = true;
 	map.addListener('click', function() {
 		infowindow.close();
+		console.log(toggle);
+		//markers[index].setMap(null);
+		if (toggle === true)
+			marker_cluster.removeMarker(markers[25]);
+		else
+			marker_cluster.addMarker(markers[25]);
+		toggle = (toggle === true)? false : true ;
 	});
 
 }