Fix some links.

pages/support/header.mako

@@ -1,16 +1,10 @@
-<%page args="environ, cookies, title, slug=None, add_css=(), add_js=()"/>\
+<%page args="environ, cookies, title"/>\
 <%namespace module="copyvios.background" import="set_background"/>\
 <%!
     from os import path
 %>\
 <%
     root = path.dirname(environ["SCRIPT_NAME"])
-    this = environ["PATH_INFO"]
-    pretty = path.split(root)[0]
-    if not slug:
-        slug = path.split(this)[1]
-        if slug.endswith(".py"):
-            slug = slug[:-3]
 %>\
 <!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" xml:lang="en" lang="en-us">
@@ -28,7 +22,7 @@
         <body onload="update_screen_size()" style="background-image: url('${bg_url | h}'); background-size: cover;">
     % endif
         <div id="header">
-            <p id="heading"><a class="dark" href="${pretty}">Earwig's Copyvio Detector</a></p>
-            <p id="links"><a class="mid" href="${pretty}/settings">Settings</a></p>
+            <p id="heading"><a class="dark" href="${root}">Earwig's Copyvio Detector</a></p>
+            <p id="links"><a class="mid" href="${root}/settings">Settings</a></p>
         </div>
         <div id="container">