diff --git a/src/diagrams/flowchart/graphDb.js b/src/diagrams/flowchart/graphDb.js
index 8984d0dc6..67e1437de 100644
--- a/src/diagrams/flowchart/graphDb.js
+++ b/src/diagrams/flowchart/graphDb.js
@@ -67,7 +67,7 @@ exports.addVertex = function (id, text, type, style) {
  * @param linktext
  */
 exports.addLink = function (start, end, type, linktext) {
-    log.debug('Got edge', start, end);
+    log.info('Got edge...', start, end);
     var edge = {start: start, end: end, type: undefined, text: ''};
     linktext = type.text;
 
diff --git a/src/logger.js b/src/logger.js
index 040950adb..32c7fb9b3 100644
--- a/src/logger.js
+++ b/src/logger.js
@@ -53,6 +53,10 @@ function formatTime(timestamp) {
     return t;
 }
 
+function format(level) {
+  const time = formatTime(new Date());
+  return '%c ' + time  +' :%c' + level + ': ';
+}
 
 function Log(level) {
     this.level = level;
@@ -81,35 +85,12 @@ function Log(level) {
         }
     };
 
-    this.trace = function(str) {
-        var args = Array.prototype.slice.call(arguments);
-        args.unshift(LEVELS.trace);
-        this.log.apply(this, args);
-    };
+    this.trace = window.console.debug.bind(window.console, format('TRACE', name), 'color:grey;', 'color: grey;');
+    this.debug = window.console.debug.bind(window.console, format('DEBUG', name), 'color:grey;', 'color: green;');
+    this.info  = window.console.debug.bind(window.console, format('INFO',  name), 'color:grey;', 'color: blue;');
+    this.warn  = window.console.debug.bind(window.console, format('WARN',  name), 'color:grey;', 'color: orange;');
+    this.error = window.console.debug.bind(window.console, format('ERROR', name), 'color:grey;', 'color: red;');
 
-    this.debug = function(str) {
-        var args = Array.prototype.slice.call(arguments);
-        args.unshift(LEVELS.debug);
-        this.log.apply(this, args);
-    };
-
-    this.info = function(str) {
-        var args = Array.prototype.slice.call(arguments);
-        args.unshift(LEVELS.info);
-        this.log.apply(this, args);
-    };
-
-    this.warn = function(str) {
-        var args = Array.prototype.slice.call(arguments);
-        args.unshift(LEVELS.warn);
-        this.log.apply(this, args);
-    };
-
-    this.error = function(str) {
-        var args = Array.prototype.slice.call(arguments);
-        args.unshift(LEVELS.error);
-        this.log.apply(this, args);
-    };
 }
 
 exports.Log = Log;
diff --git a/src/mermaidAPI.js b/src/mermaidAPI.js
index e1949b341..1a57398e7 100644
--- a/src/mermaidAPI.js
+++ b/src/mermaidAPI.js
@@ -346,8 +346,6 @@ exports.decodeEntities = function(text){
         return ';';
     });
 
-
-
     return txt;
 };
 /**
@@ -376,6 +374,8 @@ exports.decodeEntities = function(text){
 var render = function(id, txt, cb, container){
 
     if(typeof container !== 'undefined'){
+        container.innerHTML = '';
+
         d3.select(container).append('div')
             .attr('id', 'd'+id)
             .append('svg')
@@ -385,6 +385,11 @@ var render = function(id, txt, cb, container){
             .append('g');
     }
     else{
+        var element = document.querySelector('#' + 'd'+id);
+        if(element){
+            element.innerHTML = '';
+        }
+
         d3.select('body').append('div')
             .attr('id', 'd'+id)
             .append('svg')