diff --git a/website/include/importerapp.js b/website/include/importerapp.js
index b901aba..6a9a88e 100644
--- a/website/include/importerapp.js
+++ b/website/include/importerapp.js
@@ -318,10 +318,8 @@ ImporterApp.prototype.GenerateMenu = function ()
 ImporterApp.prototype.GenerateError = function (errorMessage)
 {
 	this.viewer.RemoveMeshes ();
-	var menu = document.getElementById ('menu');
-	while (menu.lastChild) {
-		menu.removeChild (menu.lastChild);
-	}
+	var menu = $('#menu');
+	menu.empty ();
 	
 	this.dialog.Open ({
 		title : 'Error',
@@ -446,14 +444,12 @@ ImporterApp.prototype.ProcessFiles = function (fileList, isUrl)
 		processorFunc = JSM.ConvertURLListToJsonData;
 	}
 
-	var menu = document.getElementById ('menu');
-	while (menu.lastChild) {
-		menu.removeChild (menu.lastChild);
-	}
+	var menu = $('#menu');
+	menu.empty ();
 	if (isUrl) {
-		menu.innerHTML = 'Downloading files...';
+		menu.html ('Downloading files...');
 	} else {
-		menu.innerHTML = 'Loading files...';
+		menu.html ('Loading files...');
 	}
 	
 	processorFunc (userFiles, {
@@ -464,8 +460,7 @@ ImporterApp.prototype.ProcessFiles = function (fileList, isUrl)
 		onReady : function (fileNames, jsonData) {
 			myThis.fileNames = fileNames;
 			myThis.viewer.SetJsonData (jsonData);
-
-			var menu = document.getElementById ('menu');
+			menu.empty ();
 			var progressBar = new ImporterProgressBar (menu);
 			myThis.JsonLoaded (progressBar);
 		}
diff --git a/website/include/importermenu.js b/website/include/importermenu.js
index 9cdb3b5..24e4978 100644
--- a/website/include/importermenu.js
+++ b/website/include/importermenu.js
@@ -143,9 +143,6 @@ ExtensionButtons.prototype.GetButtonsDiv = function ()
 ImporterProgressBar = function (parent)
 {
 	this.parent = parent;
-	while (this.parent.lastChild) {
-		this.parent.removeChild (this.parent.lastChild);
-	}
 	this.borderDiv = null;
 	this.contentDiv = null;
 	this.maxCount = null;
@@ -154,17 +151,11 @@ ImporterProgressBar = function (parent)
 
 ImporterProgressBar.prototype.Init = function (maxCount)
 {
-	this.borderDiv = document.createElement ('div');
-	this.borderDiv.className = 'progressbarborder';
+	this.borderDiv = $('<div>').addClass ('progressbarborder').appendTo (this.parent);
+	this.contentDiv = $('<div>').addClass ('progressbarcontent').appendTo (this.borderDiv);
 
-	this.contentDiv = document.createElement ('div');
-	this.contentDiv.className = 'progressbarcontent';
-
-	this.borderDiv.appendChild (this.contentDiv);
-	this.parent.appendChild (this.borderDiv);
-	
 	this.maxCount = maxCount;
-	this.maxWidth = this.borderDiv.offsetWidth;
+	this.maxWidth = this.borderDiv.width ();
 	this.Step (0);
 };
 
@@ -175,5 +166,5 @@ ImporterProgressBar.prototype.Step = function (count)
 	if (count == this.maxCount) {
 		width = this.maxWidth - 2;
 	}
-	this.contentDiv.style.width = width + 'px';
+	this.contentDiv.width (width);
 };