fixed invalid references
diff --git a/bundles/org.eclipse.rap.rwt.visualization.google/src/org/eclipse/rap/rwt/visualization/google/internal/linechartkit/LineChart.js b/bundles/org.eclipse.rap.rwt.visualization.google/src/org/eclipse/rap/rwt/visualization/google/internal/linechartkit/LineChart.js
index f41ef10..a7ee3b9 100644
--- a/bundles/org.eclipse.rap.rwt.visualization.google/src/org/eclipse/rap/rwt/visualization/google/internal/linechartkit/LineChart.js
+++ b/bundles/org.eclipse.rap.rwt.visualization.google/src/org/eclipse/rap/rwt/visualization/google/internal/linechartkit/LineChart.js
@@ -73,7 +73,7 @@
         		chart = this._chart;
         		var qParent = this;
         		google.visualization.events.addListener(this._chart, 'ready', function() {
-        			this.info("Chart is ready.");
+        			qParent.info("Chart is ready.");
         			qParent.inited = true;
         		});
         		var widgetId = this._id;
diff --git a/bundles/org.eclipse.rap.rwt.visualization.google/src/org/eclipse/rap/rwt/visualization/google/internal/scatterchartkit/ScatterChart.js b/bundles/org.eclipse.rap.rwt.visualization.google/src/org/eclipse/rap/rwt/visualization/google/internal/scatterchartkit/ScatterChart.js
index 712205b..98141a9 100644
--- a/bundles/org.eclipse.rap.rwt.visualization.google/src/org/eclipse/rap/rwt/visualization/google/internal/scatterchartkit/ScatterChart.js
+++ b/bundles/org.eclipse.rap.rwt.visualization.google/src/org/eclipse/rap/rwt/visualization/google/internal/scatterchartkit/ScatterChart.js
@@ -73,7 +73,7 @@
         		chart = this._chart;
         		var qParent = this;
         		google.visualization.events.addListener(this._chart, 'ready', function() {
-        			this.info("Chart is ready.");
+        			qParent.info("Chart is ready.");
         			qParent.inited = true;
         		});
         		var widgetId = this._id;