diff --git a/option/blackscholes/index.org b/option/blackscholes/index.org
index e39b3ac..82c0e75 100644
--- a/option/blackscholes/index.org
+++ b/option/blackscholes/index.org
@@ -12,8 +12,12 @@
 #
 # options used exclusively by the html exporter
 #+language: en
-#+infojs_opt: view:showall toc:nil ltoc:nil mouse:#ffc0c0 path:/ext/org/org-info.js
+# infojs_opt: view:showall toc:nil ltoc:nil mouse:#ffc0c0 path:/ext/org/org-info.js
 #+html_mathjax: align:left indent:5em path:/ext/mathjax/MathJax.js
+#+html_head: <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
+#+html_head: <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js"></script>
+#+html_head: <script type="text/javascript" src="http://www.pirilampo.org/styles/lib/js/jquery.stickytableheaders.js"></script>
+#+html_head: <script type="text/javascript" src="http://www.pirilampo.org/styles/readtheorg/js/readtheorg.js"></script>
 #+html_head: <script type="text/javascript" src="/ext/d3/d3.js"></script>
 #+html_head: <script type="text/javascript" src="point.js"></script>
 #+html_head: <script type="text/javascript" src="fx.js"></script>
@@ -22,7 +26,9 @@
 #+html_head: <script type="text/javascript" src="normal.js"></script>
 #+html_head: <script type="text/javascript" src="blackscholes.js"></script>
 #+html_head: <script type="text/javascript" src="parametric-drag-example.js"></script>
-#+html_head: <link rel="stylesheet" type="text/css" href="../../css/notebook.css" />
+#+html_head: <link rel="stylesheet" type="text/css" href="http://www.pirilampo.org/styles/readtheorg/css/htmlize.css"/>
+#+html_head: <link rel="stylesheet" type="text/css" href="http://www.pirilampo.org/styles/readtheorg/css/readtheorg.css"/>
+# html_head: <link rel="stylesheet" type="text/css" href="../../css/notebook.css" />
 #+html_head: <link rel="stylesheet" type="text/css" href="drag6.css" />
 #+html_link_home: ../../index.html
 #+html_link_up: ../../index.html