diff --git a/editor/browser-not-supported.html b/editor/browser-not-supported.html
index f1b36555..efacce1b 100644
--- a/editor/browser-not-supported.html
+++ b/editor/browser-not-supported.html
@@ -13,15 +13,19 @@
 <div id="browser-not-supported">
 <img style="float:left;padding:10px;" src="images/logo.png" width="48" height="48" alt="SVG-edit logo" /><br />
 <p>Sorry, but your browser does not support SVG. Below is a list of alternate browsers and versions that support SVG and SVG-edit (from <a href="http://caniuse.com/#cats=SVG">caniuse.com</a>).</p>
-<p>Try the latest version of <a href="http://www.getfirefox.com">Firefox</a>, <a href="http://www.google.com/chrome/">Google Chrome</a>, <a href="http://www.apple.com/safari/download/">Safari</a>, <a href="http://www.opera.com/download/">Opera</a> or <a href="http://windows.microsoft.com/ie9">Internet Explorer<a/>.</p>
+<p>Try the latest version of <a href="http://www.getfirefox.com">Firefox</a>, <a href="http://www.google.com/chrome/">Google Chrome</a>, <a href="http://www.apple.com/safari/download/">Safari</a>, <a href="http://www.opera.com/download/">Opera</a> or <a href="http://windows.microsoft.com/ie9">Internet Explorer</a>.</p>
 <p>If you are unable to install one of these and must use an old version of Internet Explorer, you can install the <a href="http://code.google.com/chrome/chromeframe/">Google Chrome Frame plugin</a>.</p>
 
-<script>
-var viewportHeight =(window.innerHeight ? window.innerHeight : $(window).height()) - 140;
-document.write('<iframe width="100%" height="'+viewportHeight+'" src="http://caniuse.com/#cats=SVG"></iframe>');
-</script>
-
 </div>
 
+<script>
+/*globals $*/
+var viewportHeight = window.innerHeight || ($(window).height() - 140);
+var iframe = document.createElement('iframe');
+iframe.style.width = '100%';
+iframe.style.height = viewportHeight + 'px';
+iframe.src = 'http://caniuse.com/#cats=SVG';
+document.body.appendChild(iframe);
+</script>
 </body>
 </html>