diff --git a/public/X3DOMTutorial/ifsandtextures.html b/public/X3DOMTutorial/ifsandtextures.html
index 54b9bb213efe41004b0f95cda09901e52da6c13f..e3e5974b54e24b8053081fa66e6e7cd09f441be8 100644
--- a/public/X3DOMTutorial/ifsandtextures.html
+++ b/public/X3DOMTutorial/ifsandtextures.html
@@ -1,87 +1,87 @@
-﻿<html>
-
-<head>
-	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-	<title> indexed face set and material </title>
-	<link rel="stylesheet" type="text/css" href="x3dom.css">
-</head>
-
-<body>
-	<h1> indexed face set and material <h1>
-			<table width="100%" height="85%" border="0">
-				<tr>
-					<td width="50%" align="center" valign="top" scope="col">
-						<X3D id="shapedata" width="600px" height="600px" style="float:left">
-							<Scene>
-								<Shape>
-									<!-- roof -->
-									<Appearance>
-										<Material diffuseColor="0.980, 0.502, 0.447"> </Material>
-									</Appearance>
-									<IndexedFaceSet solid="true" ccw="true" coordIndex="  7 4 8 -1 4 5 8 -1 5 6 8 -1 6 7 8 -1">
-										<Coordinate DEF="pointset" point="-1 0 1, 1 0 1, 1 0 -1, -1 0 -1,
-             	            -1 2 1, 1 2 1, 1 2 -1, -1 2 -1, 0 3 0 ">
-										</Coordinate>
-									</IndexedFaceSet>
-								</Shape>
-								<Shape>
-									<!-- wall 1  -->
-									<Appearance>
-										<ImageTexture url="img/brick_stone_wall_0119_01_preview.jpg"></ImageTexture>
-										<Material diffuseColor="0.753, 0.753, 0.753"> </Material>
-									</Appearance>
-									<IndexedFaceSet solid="true" ccw="true" coordIndex="0 1 5 4 -1 ">
-										<Coordinate USE="pointset">
-										</Coordinate>
-									</IndexedFaceSet>
-								</Shape>
-								<Shape>
-									<!-- wall -->
-									<Appearance>
-										<ImageTexture
-											url="http://upload.wikimedia.org/wikipedia/commons/thumb/0/09/Peach_Rinkysplash.jpg/800px-Peach_Rinkysplash.jpg">
-										</ImageTexture>
-										<Material diffuseColor="0.753, 0.753, 0.753"> </Material>
-									</Appearance>
-									<IndexedFaceSet solid="true" ccw="true" coordIndex=" 1 2 6 5 -1 2 3 7 6 -1 3 0 4 7 -1">
-										<Coordinate USE="pointset">
-										</Coordinate>
-									</IndexedFaceSet>
-								</Shape>
-								<Shape>
-									<!-- ground -->
-									<Appearance>
-										<Material diffuseColor="0.180, 0.280, 0.230"> </Material>
-									</Appearance>
-									<IndexedFaceSet solid="true" ccw="true" coordIndex=" 0 3 2 1 -1 ">
-										<Coordinate USE="pointset">
-										</Coordinate>
-									</IndexedFaceSet>
-								</Shape>
-							</Scene>
-						</X3D>
-						</p>
-					</td>
-					<td width="50%" align="left" valign="top" scope="col">
-						Example: <a href="http://doc.x3dom.org/tutorials/basics/imagesMovies/index.html" target="_blank"> Using
-							Images and Movies as Textures </a>
-						<br>
-						<a href="http://www.web3d.org/files/specifications/19775-1/V3.3/Part01/components/texturing.html"
-							target="_blank"> Textures </a>
-						<br>
-						<a href="http://www.web3d.org/files/specifications/19775-1/V3.3/Part01/components/geometry3D.html#IndexedFaceSet"
-							target="_blank">
-							How Textures are mapped on IndexedFaceSet:
-						</a><br>
-						<br>
-						<pre class="prettyprint">
-	      &lt;Appearance&gt;
-                &lt;ImageTexture  url="http://upload.wikimedia.org/wikipedia/commons/thumb/0/09/Peach_Rinkysplash.jpg/800px-Peach_Rinkysplash.jpg"&gt;&lt;/ImageTexture&gt;              
-     	        &lt;Material diffuseColor="0.753, 0.753, 0.753"&gt; &lt;/Material&gt;
-   	      &lt;/Appearance&gt;
-        </pre>
-					</td>
-					<script type="text/javascript" src="x3dom.js"></script>
-</body>
-
-</html>
\ No newline at end of file
+<html>
+
+<head>
+	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+	<title> indexed face set and material </title>
+	<link rel="stylesheet" type="text/css" href="x3dom.css">
+</head>
+
+<body>
+	<h1> indexed face set and material <h1>
+			<table width="100%" height="85%" border="0">
+				<tr>
+					<td width="50%" align="center" valign="top" scope="col">
+						<X3D id="shapedata" width="600px" height="600px" style="float:left">
+							<Scene>
+								<Shape>
+									<!-- roof -->
+									<Appearance>
+										<Material diffuseColor="0.980, 0.502, 0.447"> </Material>
+									</Appearance>
+									<IndexedFaceSet solid="true" ccw="true" coordIndex="  7 4 8 -1 4 5 8 -1 5 6 8 -1 6 7 8 -1">
+										<Coordinate DEF="pointset" point="-1 0 1, 1 0 1, 1 0 -1, -1 0 -1,
+             	            -1 2 1, 1 2 1, 1 2 -1, -1 2 -1, 0 3 0 ">
+										</Coordinate>
+									</IndexedFaceSet>
+								</Shape>
+								<Shape>
+									<!-- wall 1  -->
+									<Appearance>
+										<ImageTexture url="img/brick_stone_wall_0119_01_preview.jpg"></ImageTexture>
+										<Material diffuseColor="0.753, 0.753, 0.753"> </Material>
+									</Appearance>
+									<IndexedFaceSet solid="true" ccw="true" coordIndex="0 1 5 4 -1 ">
+										<Coordinate USE="pointset">
+										</Coordinate>
+									</IndexedFaceSet>
+								</Shape>
+								<Shape>
+									<!-- wall -->
+									<Appearance>
+										<ImageTexture
+											url="https://upload.wikimedia.org/wikipedia/commons/thumb/0/09/Peach_Rinkysplash.jpg/800px-Peach_Rinkysplash.jpg">
+										</ImageTexture>
+										<Material diffuseColor="0.753, 0.753, 0.753"> </Material>
+									</Appearance>
+									<IndexedFaceSet solid="true" ccw="true" coordIndex=" 1 2 6 5 -1 2 3 7 6 -1 3 0 4 7 -1">
+										<Coordinate USE="pointset">
+										</Coordinate>
+									</IndexedFaceSet>
+								</Shape>
+								<Shape>
+									<!-- ground -->
+									<Appearance>
+										<Material diffuseColor="0.180, 0.280, 0.230"> </Material>
+									</Appearance>
+									<IndexedFaceSet solid="true" ccw="true" coordIndex=" 0 3 2 1 -1 ">
+										<Coordinate USE="pointset">
+										</Coordinate>
+									</IndexedFaceSet>
+								</Shape>
+							</Scene>
+						</X3D>
+						</p>
+					</td>
+					<td width="50%" align="left" valign="top" scope="col">
+						Example: <a href="https://doc.x3dom.org/tutorials/basics/imagesMovies/index.html" target="_blank"> Using
+							Images and Movies as Textures </a>
+						<br>
+						<a href="https://www.web3d.org/files/specifications/19775-1/V3.3/Part01/components/texturing.html"
+							target="_blank"> Textures </a>
+						<br>
+						<a href="https://www.web3d.org/files/specifications/19775-1/V3.3/Part01/components/geometry3D.html#IndexedFaceSet"
+							target="_blank">
+							How Textures are mapped on IndexedFaceSet:
+						</a><br>
+						<br>
+						<pre class="prettyprint">
+	      &lt;Appearance&gt;
+                &lt;ImageTexture  url="https://upload.wikimedia.org/wikipedia/commons/thumb/0/09/Peach_Rinkysplash.jpg/800px-Peach_Rinkysplash.jpg"&gt;&lt;/ImageTexture&gt;              
+     	        &lt;Material diffuseColor="0.753, 0.753, 0.753"&gt; &lt;/Material&gt;
+   	      &lt;/Appearance&gt;
+        </pre>
+					</td>
+					<script type="text/javascript" src="x3dom.js"></script>
+</body>
+
+</html>
