--- a/src/hugin1/hugin/xrc/data/help_en_EN/PNG.html
+++ b/src/hugin1/hugin/xrc/data/help_en_EN/PNG.html
@@ -29,7 +29,7 @@
 		
 
 		
-		<!-- Head Scripts -->
+		<style media="screen" type="text/css" title="Screen style sheet"> @import url(manual.css); </style>
 		
 				
 	</head>
@@ -41,12 +41,12 @@
 				<h1 id="firstHeading" class="firstHeading">PNG</h1>
 		<div id="bodyContent">
 			
-			<div id="contentSub"></div>
+			
 												<!-- start content -->
 			<p>The
-Portable Network Graphics Image format
-is a common and free format used to store and exchange digital bitmapped images of all kinds. For general information see the PNG Wikipedia page
-</p><p>PNG was originally created because of shortcomings and patent issues with widely used <a href="GIF.html" title="GIF">GIF</a> format. It uses lossless compression and supports different bit depth and <a href="Alpha_channel.html" title="Alpha channel">alpha channel</a> transparency. It often compresses better than the different <a href="TIFF.html" title="TIFF">TIFF</a> compressions. However, it is not very well supported by Photoshop (you need a format plugin to support all flavors: [1])
+Portable Network Graphics Image format<a class="external" href="http://wiki.panotools.org/Image_format">[*]</a>
+is a common and free format used to store and exchange digital bitmapped images of all kinds. For general information see the PNG Wikipedia page<a class="external" href="http://www.wikipedia.org/wiki/PNG">[*]</a>
+</p><p>PNG was originally created because of shortcomings and patent issues with widely used <a href="GIF.html" title="GIF">GIF</a> format. It uses lossless compression and supports different bit depth and <a href="Alpha_channel.html" title="Alpha channel">alpha channel</a> transparency. It often compresses better than the different <a href="TIFF.html" title="TIFF">TIFF</a> compressions. However, it is not very well supported by Photoshop<a class="external" href="http://wiki.panotools.org/Photoshop">[*]</a> (you need a format plugin to support all flavors: [1]<a class="external" href="http://www.fnordware.com/superpng/">[*]</a>)
 </p><p>Only recently PNG support of the Panorama tools core library <a href="Pano12.html" title="Pano12">pano12</a> was fixed.
 </p>