diff -r 89544c28a364 -r df6b39f962bc client/annotviz/app/js/annotstimeline.js
--- a/client/annotviz/app/js/annotstimeline.js	Thu Jan 22 15:02:54 2015 +0100
+++ b/client/annotviz/app/js/annotstimeline.js	Thu Jan 22 15:03:58 2015 +0100
@@ -39,7 +39,7 @@
     this.intervalWidth = opts.intervalWidth;
     this.maxCellHeight = opts.maxCellHeight;
     this.annotCategories = opts.annotCategories;
-
+    
     this.circleX = opts.circleX || (this.width/2);
     this.circleY = opts.circleY || (this.height/2);
     this.radius = opts.radius;
@@ -55,13 +55,6 @@
     	this.cells[i].i = i;
     	this.cells[i].totalAnnots = 0;
     	this.cells[i].categories = {};
-    	
-    	for (var category in this.annotCategories[0].colors){
-    		this.cells[i].categories[category] = {
-				"count": 0,
-				"color": this.annotCategories[0].colors[category]
-    		};
-    	}
     }
 
     var ws = opts.ws;
@@ -91,34 +84,26 @@
 
     //Add Annotation to the TimeLine
     this.addAnnot = function(data){
-    	if (typeof(this.annotCategories[0].colors[data.content.category.code]) !== 'undefined'){
-    		var annotCode = data.content.category.code;
-    	} else {
-    		var annotCode = this.annotCategories[0].order[this.annotCategories[0].order.length -1];
-    	}
-    	var annotTime = Date.parse(data.ts);
+    	
+    	if (this.timeEnd > Date.parse(data.ts)){
+	    	var i = Math.floor(((Date.parse(data.ts) + 3600*1000) - this.timeBegin)/(1000*this.intervalDuration));
 
-    	if (this.timeEnd > Date.parse(data.ts)){
-    		console.log(this.timeBegin);
-    		console.log(data.ts);
-    		console.log(Date.parse(data.ts));
-    		console.log(Date.now());
-	    	var i = Math.floor(((Date.parse(data.ts) + 3600*1000) - this.timeBegin)/(1000*this.intervalDuration));
-	    	console.log(i);
+	    	if (typeof(this.cells[i].graphics) === 'undefined'){
+	    		this.initCell(this.cells[i]);
+	    	}
+	    	
+	    	if (typeof(this.annotCategories[0].colors[data.content.category.code]) !== 'undefined'){
+	    		var annotCode = data.content.category.code;
+	    	} else {
+	    		var annotCode = 'default';
+	    	}
+	    	
 			this.cells[i].categories[annotCode].count += 1;
 			this.cells[i].totalAnnots +=1;
 			this.redrawCell(this.cells[i], i);
     	}
     };
 
-    this.initCell = function(cell){
-    	cell.graphics = new PIXI.Graphics();
-    	cell.graphics.position.x = this.circleX + this.radius * Math.sin(cell.i*(360/totalIndex)*(Math.PI/180));
-    	cell.graphics.position.y = this.circleY - this.radius * Math.cos(cell.i*(360/totalIndex)*(Math.PI/180));
-    	cell.graphics.rotation = (cell.i)*(360/totalIndex)*(Math.PI/180) + (360/(totalIndex*2))*(Math.PI/180);
-    	this.container.addChild(cell.graphics);
-    }
-
     this.initTimeTexts = function() {
 	    var tBeg = new PIXI.Text(Utils.formatTime(this.timeBegin), { font: '12pt Gothic Standard', fill: '#646464' });
 	    tBeg.x = this.circleX + 15;
@@ -150,13 +135,7 @@
 
     //Draw the cellule
     this.redrawCell = function(cell){
-
-    	if (typeof(cell.graphics) === 'undefined'){
-    		this.initCell(cell);
-    	} else {
-    		cell.graphics.clear();
-    	}
-
+    	
     	var y = 0;
 
     	//Check if total height is higher than Max Cell Height
@@ -175,6 +154,25 @@
     		y -= cell.categories[currentCode].count*heightStep;
     	}
     }
+    
+    this.initCell = function(cell){
+    	cell.graphics = new PIXI.Graphics();
+    	cell.graphics.position.x = this.circleX + this.radius * Math.sin(cell.i*(360/totalIndex)*(Math.PI/180));
+    	cell.graphics.position.y = this.circleY - this.radius * Math.cos(cell.i*(360/totalIndex)*(Math.PI/180));
+    	cell.graphics.rotation = (cell.i)*(360/totalIndex)*(Math.PI/180) + (360/(totalIndex*2))*(Math.PI/180);
+    	this.container.addChild(cell.graphics);
+    	
+    	for (var category in this.annotCategories[0].colors){
+    		cell.categories[category] = {
+				"count": 0,
+				"color": this.annotCategories[0].colors[category]
+    		};
+    	}
+    	cell.categories['default'] = {
+			"count": 0,
+			"color": this.annotCategories[0].defaultColor
+    	}
+    }
 
     this.init = function() {
     	ws.message(function(data) {