diff --git a/html/admin/js/graphViewer/graph/communityNode.js b/html/admin/js/graphViewer/graph/communityNode.js
index fd723376df..8d604df83f 100644
--- a/html/admin/js/graphViewer/graph/communityNode.js
+++ b/html/admin/js/graphViewer/graph/communityNode.js
@@ -1,4 +1,5 @@
 /*jslint indent: 2, nomen: true, maxlen: 100, white: true  plusplus: true */
+/*global _ */
 ////////////////////////////////////////////////////////////////////////////////
 /// @brief Graph functionality
 ///
@@ -31,4 +32,66 @@
 function CommunityNode(initial) {
   "use strict";
   
+  var
+
+  ////////////////////////////////////
+  // Private variables              //
+  ////////////////////////////////////   
+  
+    nodes = {},
+  
+  ////////////////////////////////////
+  // Private functions              //
+  //////////////////////////////////// 
+  
+    toArray = function(obj) {
+      var res = [];
+      _.each(obj, function(v) {
+        res.push(v);
+      });
+      return res;
+    },
+  
+    hasNode = function(id) {
+      return !!nodes[id];
+    },
+  
+    getNodes = function() {
+      return toArray(nodes);
+    },
+    
+    getNode = function(id) {
+      return nodes[id];
+    },
+  
+    insertNode = function(n) {
+      nodes[n._id] = n;
+    },
+    
+    insertEdge = function(e) {
+    
+    },
+  
+    dissolve = function() {
+    
+    };
+  
+  ////////////////////////////////////
+  // Setup                          //
+  ////////////////////////////////////
+  
+  _.each(initial, function(n) {
+    insertNode(n);
+  });
+  
+  ////////////////////////////////////
+  // Public functions               //
+  ////////////////////////////////////
+  
+  this.hasNode = hasNode;
+  this.getNodes = getNodes;
+  this.getNode = getNode;
+  this.insertNode = insertNode;
+  this.insertEdge = insertEdge;
+  this.dissolve = dissolve;
 }
diff --git a/html/admin/js/graphViewer/jasmine_test/specCommunityNode/communityNodeSpec.js b/html/admin/js/graphViewer/jasmine_test/specCommunityNode/communityNodeSpec.js
index eceaf994ae..3f7087b350 100644
--- a/html/admin/js/graphViewer/jasmine_test/specCommunityNode/communityNodeSpec.js
+++ b/html/admin/js/graphViewer/jasmine_test/specCommunityNode/communityNodeSpec.js
@@ -75,16 +75,65 @@
         expect(testee).toHaveFunction("getNodes", 0);
       });
       
-      it('should offer a function to check if node is included', function() {
+      it('should offer a function to check if a node is included', function() {
+        expect(testee).toHaveFunction("hasNode", 1);
+      });
+      
+      it('should offer a function to get a node if it is included', function() {
         expect(testee).toHaveFunction("getNode", 1);
       });
       
+      it('should offer a function to insert an additional node', function() {
+        expect(testee).toHaveFunction("insertNode", 1);
+      });
+      
+      it('should offer a function to insert an additional edge', function() {
+        expect(testee).toHaveFunction("insertEdge", 1);
+      });
+      
+      it('should offer a function to dissolve the community', function() {
+        expect(testee).toHaveFunction("dissolve", 0);
+      });
     });
     
     it('should create a communityNode containing the given nodes', function() {
       var c = new CommunityNode(nodes.slice(3, 13));
+      expect(c.getNodes()).toEqual(nodes.slice(3, 13));
     });
-        
+    
+    it('should be able to insert a new node', function() {
+      var c = new CommunityNode(nodes.slice(3, 13)),
+        n = {
+        _id: "fuxx",
+        _inboundCounter: 0,
+        _outboundCounter: 0,
+        position: {
+          x: 1,
+          y: 1,
+          z: 1
+        }
+      };
+      c.insertNode(n);
+      expect(c.getNodes()).toEqual(nodes.slice(3, 13).concat([n]));
+    });
+    
+    it('should be able to check if a node is included', function() {
+      var n = {
+        _id: "fuxx",
+        _inboundCounter: 0,
+        _outboundCounter: 0,
+        position: {
+          x: 1,
+          y: 1,
+          z: 1
+        }
+      },
+      c = new CommunityNode([n]);
+      
+      expect(c.hasNode("fuxx")).toBeTruthy();
+      expect(c.hasNode("1")).toBeFalsy();
+    });
+    
   });
 
 }());