Remove all the jQuery stuff in favor of some 2006 javascript

public/tonight.js

@@ -1,3 +1,18 @@
-$(function() {
-  $('.timestamp').timezone();
-});
+(function(){
+  var
+    offset = (new Date()).getTimezoneOffset() * -60000,
+    timestamps = document.getElementsByClassName("timestamp"),
+    i,
+    timestamp,
+    date,
+    label
+
+  for (i = 0; i < timestamps.length; i++) {
+    timestamp = timestamps[i]
+    date = new Date(parseInt(timestamp.attributes["data-unixtime"].value, 10) * 1000 + offset)
+    label = (date.getHours() > 12 ? date.getHours() - 12 : date.getHours())
+    label += ":" + date.getMinutes()
+    label += (date.getHours() >= 12 ? "PM" : "AM")
+    timestamp.innerHTML = label
+  }
+})()

public/tonight.min.js

@@ -0,0 +1,7 @@
+(function(){var offset=(new Date()).getTimezoneOffset()*-60000,timestamps=document.getElementsByClassName("timestamp"),i,timestamp,date,label
+for(i=0;i<timestamps.length;i++){timestamp=timestamps[i]
+date=new Date(parseInt(timestamp.attributes["data-unixtime"].value,10)*1000+offset)
+label=(date.getHours()>12?date.getHours()-12:date.getHours())
+label+=":"+date.getMinutes()
+label+=(date.getHours()>=12?"PM":"AM")
+timestamp.innerHTML=label}})()

views/index.haml

@@ -14,7 +14,7 @@
   - @attending.each do |attendee|
     %li{ :class => (@added_id == attendee.id ? 'added' : nil) }
       %span.name= html_escape attendee.name
-      %span.timestamp= attendee.timestamp.strftime('%I:%M%p').sub(/^0/, '')
+      %span.timestamp{ :data => { :unixtime => attendee.timestamp.to_time.to_i }}= attendee.timestamp.strftime('%I:%M%p').sub(/^0/, '')
       %form.delete{ :action => '/delete', :method => 'POST' }
         %input{ :name => 'id', :value => attendee.id, :type => 'hidden' }
         %button{ :title => "Delete #{ attendee.name }" } ×

views/layout.haml

@@ -2,9 +2,16 @@
   %head
     %title tonight.pm
     %meta{ :name => 'viewport', :content => 'width=320, initial-scale=1, maximum-scale=1' }
-    %link{ :rel => 'stylesheet', :href => 'tonight.css' }
-    %script{ :src => 'http://code.jquery.com/jquery-1.7.1.min.js' }
-    %script{ :src => 'application.js' }
+    %link{ :rel => 'stylesheet', :href => '/tonight.css' }
+    - if false
+      %script{ :src => 'jquery.js' }
+      %script{ :src => 'date-en-US.js' }
+      %script{ :src => 'jquery.timezone.js' }
+      :javascript
+        $(function() {
+          $('.timestamp').timezone();
+        });
 
   %body
     = yield
+    %script{ :src => '/tonight.min.js' }