diff --git a/bundles/org.eclipse.rap.rwt.visualization.jit/src/org/eclipse/rap/rwt/visualization/jit/internal/BaseVisualization.js b/bundles/org.eclipse.rap.rwt.visualization.jit/src/org/eclipse/rap/rwt/visualization/jit/internal/BaseVisualization.js
index f9caf0a..2fb13a7 100644
--- a/bundles/org.eclipse.rap.rwt.visualization.jit/src/org/eclipse/rap/rwt/visualization/jit/internal/BaseVisualization.js
+++ b/bundles/org.eclipse.rap.rwt.visualization.jit/src/org/eclipse/rap/rwt/visualization/jit/internal/BaseVisualization.js
@@ -137,7 +137,7 @@
   		      var data = this.getWidgetData();
   		      if (data != null) {
   		        this.info("Loading visualization data.");
-  		        rg.loadJSON(data);
+  		        rg.loadJSON(eval("("+data+")"));
   		        this.info("Refreshing visualization.");
   		        rg.refresh();
   		        rg.controller.onAfterCompute();
diff --git a/bundles/org.eclipse.rap.rwt.visualization.jit/src/org/eclipse/rap/rwt/visualization/jit/internal/treemapkit/TreeMap.js b/bundles/org.eclipse.rap.rwt.visualization.jit/src/org/eclipse/rap/rwt/visualization/jit/internal/treemapkit/TreeMap.js
index 464934f..6bd92dc 100644
--- a/bundles/org.eclipse.rap.rwt.visualization.jit/src/org/eclipse/rap/rwt/visualization/jit/internal/treemapkit/TreeMap.js
+++ b/bundles/org.eclipse.rap.rwt.visualization.jit/src/org/eclipse/rap/rwt/visualization/jit/internal/treemapkit/TreeMap.js
@@ -25,7 +25,6 @@
 			domElement.setAttribute("style","position:absolute;overflow:hidden;display:table-cell;width:100%;vertical-align:middle;height:100%;z-order:auto;");
 			domElement.width = this.getWidth();
 			domElement.height = this.getHeight();
-			qParent.appendChild(domElement);
 			var vizStyle = "#infovis div {position:absolute;overflow:hidden;font-size:11px;font-family:Verdana, Geneva, Arial, Helvetica, sans-serif;}#infovis .content {background-color:#333;border:0px solid #111;} #infovis .head {color:white;background-color:#444;} #infovis .head.in-path {background-color:#655;} #infovis .body {background-color:black;} #infovis .leaf {color:white;background-color:#111;display:table-cell;vertical-align:middle;border:1px solid #000;} #infovis .over-leaf {border:1px solid #9FD4FF;} #infovis .over-content {background-color: #9FD4FF;} #infovis .over-head {background-color:#A4D9FF;color:black;} .tip {color: #fff;width: 139px;background-color: black;opacity:0.9;filter:alpha(opacity=90);font-size:10px;font-family:Verdana, Geneva, Arial, Helvetica, sans-serif;padding:7px;} .album {width:100px;margin:3px;} input {font-size:10px;font-family:Verdana, Geneva, Arial, Helvetica, sans-serif;}";
 			vizStyle = vizStyle.replace(/infovis/gi,vizId);
 			qx.html.StyleSheet.createElement(vizStyle);