Automatically convert all post times to local time using Javascript.

inc/config.php

@@ -460,6 +460,9 @@
 	// http://www.php.net/manual/en/function.strftime.php
 	$config['post_date'] = '%m/%d/%y (%a) %H:%M:%S';
 	
+	// Automatically convert all post times to users' local time using Javascript.
+	$config['javascript_local_time'] = false;
+	
 	// Same as above, but used for "you are banned' pages.
 	$config['ban_date'] = '%A %e %B, %Y';
 	

templates/main.js

@@ -168,8 +168,42 @@ function init_expanding() {
 	}
 }
 
-function init()
-{
+{% endraw %}
+{% if config.javascript_local_time %}
+{% raw %}
+function init_localtime(){
+	var iso8601 = function iso8601(s) {
+		s = s.replace(/\.\d\d\d+/,""); // remove milliseconds
+		s = s.replace(/-/,"/").replace(/-/,"/");
+		s = s.replace(/T/," ").replace(/Z/," UTC");
+		s = s.replace(/([\+\-]\d\d)\:?(\d\d)/," $1$2"); // -04:00 -> -0400
+		return new Date(s);
+	};
+	var zeropad = function(num, count) {
+		return [Math.pow(10, count - num.toString().length), num].join('').substr(1);
+	};
+	
+	var times = document.getElementsByTagName('time');
+	for (var i = 0; i < times.length ; i++) {
+		if(!times[i].textContent.match(/^\d+\/\d+\/\d+ \(\w+\) \d+:\d+:\d+$/)) {
+			continue;
+		}
+		
+		var t = iso8601(times[i].getAttribute('datetime'));
+		
+		times[i].textContent =
+			// date
+			zeropad(t.getMonth(), 2) + "/" + zeropad(t.getDate(), 2) + "/" + t.getFullYear().toString().substring(2) +
+			" (" + ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"][t.getDay()]  + ") " +
+			// time
+			zeropad(t.getHours(), 2) + ":" + zeropad(t.getMinutes(), 2) + ":" + zeropad(t.getSeconds(), 2);
+	}
+};
+{% endraw %}
+{% endif %}
+{% raw %}
+
+function init() {
 	newElement = document.createElement('div');
 	newElement.className = 'styles';
 	
@@ -192,6 +226,7 @@ function init()
 		highlightReply(window.location.hash.substring(1));
 	
 	{% endraw %}{% if config.inline_expanding %}{% raw %}init_expanding();{% endraw %}{% endif %}{% raw %}
+	{% endraw %}{% if config.javascript_local_time %}{% raw %}init_localtime();{% endraw %}{% endif %}{% raw %}
 }
 
 var RecaptchaOptions = {