diff --git a/htroot/YaCySearchPluginFF.html b/htroot/YaCySearchPluginFF.html
index cb42e039b..c19206b4d 100644
--- a/htroot/YaCySearchPluginFF.html
+++ b/htroot/YaCySearchPluginFF.html
@@ -1,17 +1,17 @@
-<html>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
 <head>
 	<title>YaCy '#[clientname]#': Quick Crawl Link</title>
 	#%env/templates/metas.template%#
 </head>
-<body marginheight="0" marginwidth="0" leftmargin="0" topmargin="0">
-
+<body>
 <table border="0" cellspacing="0" cellpadding="0" width="100%">
 <tr><td>
   <table class="Heading" border="0" cellspacing="0" cellpadding="0" width="100%">
-  <tr height="36">
+  <tr style="height:36px;">    
     <td width="240">
 	<a href="http://www.yacy.net">
-	<img width="52" height="33" border="0" src="/env/grafics/yacy.gif" align="top" alt="YaCy-Logo">
+	<img width="52" height="33" border="0" src="/env/grafics/yacy.gif" align="top" alt="YaCy-Logo" />
 	</a>
     </td>
     <td width="50%" align="center">
@@ -23,8 +23,8 @@
   </table>
 </td></tr>
 </table>
-<br><br>
-
+<br />
+<br />
 <script type="text/javascript">
 <!--
 	function addEngine() {
@@ -46,11 +46,11 @@
 	<td>
 		<b>YaCy Firefox Search-Plugin Installation:</b>
 		<p>Simply click on the link shown below to integrate the YaCy Firefox Search-Plugin into your browser.</p>
-		<p>In Mozilla Firefox, you can the Search-Plugin via the search box on the toolbar.<br>In Mozilla (Seamonkey) you can access the Search-Plugin via the Sidebar or the Location Bar.</p>
+		<p>In Mozilla Firefox, you can the Search-Plugin via the search box on the toolbar.<br />In Mozilla (Seamonkey) you can access the Search-Plugin via the Sidebar or the Location Bar.</p>
 	</td>
 </tr>
 <tr>
-	<td><a href="javascript: addEngine();"><b>Install the YaCy search plugin.</b></a></td>
+	<td><a href="javascript:addEngine();"><b>Install the YaCy search plugin.</b></a></td>
 </tr>
 </table>
 
