--- 2008-12-10.html.orig	2008-12-10 16:02:22.000000000 +0200
+++ 2009-05-19.html	2009-05-19 13:30:46.000000000 +0300
@@ -2,10 +2,10 @@
 	  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 <html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
 <head>
+  <base href="http://summit.ubuntu.com/uds-jaunty/2008-12-08" />
   <title>
 Ubuntu Developer Summit - Jaunty Jackalope - 
 2008-12-10
-
 </title>
   <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
   <link rel="stylesheet" type="text/css" media="screen" href="/media/css/chrome.css" />
@@ -16,6 +16,9 @@
   <link rel="stylesheet" type="text/css" media="screen" href="/media/css/schedule.css" />
 
   <script language="JavaScript">
+SUMMIT_TIMEZONE = -8;  // where to get this from?
+SUMMIT_TIMEZONE = +1;  // where to get this from?
+
 function toggle_uninterested()
 {
     var divs = document.getElementsByTagName('DIV');
@@ -31,6 +34,57 @@
         }
     }
 }
+
+function timebar_bump(scroll)
+{
+    // grep out breakfast time (the day epoch) from URL location and document body.
+    isodate = /(\d\d\d\d)-(\d\d)-(\d\d)/;
+    heure = /(\d\d):(\d\d)/;
+    d = isodate.exec(window.location);
+    t = heure.exec(document.body.innerHTML);
+
+    // these Dates both contain an equal timezone $local_machine_timezone...
+    // remember kids, ECMAscript time_t is in milliseconds since the Unix epoch
+    var n = new Date();
+    var breakfast = new Date(Date.UTC(d[1], d[2]-1, d[3], t[1], t[2]));
+
+    breakfast.setHours(breakfast.getHours() - SUMMIT_TIMEZONE); 
+    hours_since_breakfast = (n.getTime() - breakfast.getTime())/1000./3600.;
+    b = document.getElementById('timebar');
+
+    if(scroll) {
+	b.style.visibility = 'visible';
+    }
+    // If the time is within the range of the scheduled day.
+    if(hours_since_breakfast >= -1 && hours_since_breakfast <= 12) {
+	b.style.top = (hours_since_breakfast * 120) + 'px';
+	b.style.visibility = 'visible';
+	if (scroll) {
+	    b.scrollIntoView();
+	}
+	window.status = 'in range ' + hours_since_breakfast;
+    } else {
+	b.style.visibility = 'hidden';
+	window.status = 'out of range ' + hours_since_breakfast + ' ' + n.getTimezoneOffset() + ' ' + breakfast.getTimezoneOffset();
+    }
+}
+
+function timebar_setup()
+{
+    // only jump the page on first-load, not once-per-minute, since that would be annoying
+    timebar_bump(true);
+    setInterval ('timebar_bump(false);', 60 * 1000 );
+}
+window.onload = timebar_setup;
+
+// If clicked, the bar will move to the back of the page, allowing click/hover to work.
+function timebar_toggle_z()
+{
+    b = document.getElementById('timebar');
+    b.style.zIndex = -1 * b.style.zIndex;
+    return true;
+} 
+
   </script>
 
 
@@ -914,6 +968,9 @@
   <span class="title">16:15..17:00</span>
 </div>
 </div>
+<div id="timebar" class="marker" onclick="return timebar_toggle_z();" 
+     style="top: -200px; width: 1111px; margin-top: -0.5em; visibility: visible; font-size: 300%; color: red; font-weight: bold; border: thin solid grey; background: #ffc; z-index: 10; left: -32px; opacity: 0.4;"><span style="float:left;">&gt;</span><span style="float:right;">&lt;</span>
+</div>
 <div class="marker"
      style="top: 0px; height: 78px">
   09:00
