diff --git a/static/def.png b/static/def.png
index b1a2a13..2bf392a 100644
Binary files a/static/def.png and b/static/def.png differ
diff --git a/static/green.png b/static/green.png
new file mode 100644
index 0000000..413a237
Binary files /dev/null and b/static/green.png differ
diff --git a/static/invi.png b/static/invi.png
index ee96642..f0c9940 100644
Binary files a/static/invi.png and b/static/invi.png differ
diff --git a/static/orange.png b/static/orange.png
new file mode 100644
index 0000000..4992c91
Binary files /dev/null and b/static/orange.png differ
diff --git a/static/purple.png b/static/purple.png
new file mode 100644
index 0000000..2e97d9c
Binary files /dev/null and b/static/purple.png differ
diff --git a/static/track.png b/static/track.png
index 5acc717..3785c3f 100644
Binary files a/static/track.png and b/static/track.png differ
diff --git a/static/utils.js b/static/utils.js
index 76aad4c..9b5515a 100644
--- a/static/utils.js
+++ b/static/utils.js
@@ -8,28 +8,24 @@ var id = -1;
 var names = [];
 var colors = [];
 var markers = [];
+
+var CircleIcon = L.Icon.extend({
+    options: {
+        iconSize:     [20, 20],
+        iconAnchor:   [10, 10],
+        popupAnchor:  [0, 0]
+    }
+});
+
 var icons = [
-    L.icon({
-        iconUrl: 'def.png',
-        iconSize: [10, 10],
-        iconAnchor: [5, 5],
-        popupAnchor: [5, 5]
-    }),
-    L.icon({
-        iconUrl: 'track.png',
-        iconSize: [10, 10],
-        iconAnchor: [5, 5],
-        popupAnchor: [5, 5]
-    })
+    new CircleIcon({ iconUrl: 'def.png' }),
+    new CircleIcon({ iconUrl: 'track.png' }),
+    new CircleIcon({ iconUrl: 'purple.png' }),
+    new CircleIcon({ iconUrl: 'green.png' }),
+    new CircleIcon({ iconUrl: 'orange.png' })
 ];
 var self_icons = icons;
-var self_invisible = 
-    L.icon({
-        iconUrl: 'invi.png',
-        iconSize: [10, 10],
-        iconAnchor: [5, 5],
-        popupAnchor: [5, 5]
-    });
+var self_invisible = new CircleIcon({ iconUrl: 'invi.png' });
 
 //////////////////////////////////////////////////////////////////////////////
 // INIT MAP