From 4343a49eede281470d0854034870ff3460c9d873 Mon Sep 17 00:00:00 2001
From: Rechi <luki.rechberger@aon.at>
Date: Fri, 24 Apr 2015 22:24:27 +0200
Subject: [PATCH] FIX for XHTML Documents

in XHTML Documents getElementsByTagName is Case-Sensitive and XHTML
allows only lower Case Tag-Names
---
 jquery.tablesorter.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/jquery.tablesorter.js b/jquery.tablesorter.js
index 3ffdf25..278fdb6 100644
--- a/jquery.tablesorter.js
+++ b/jquery.tablesorter.js
@@ -434,8 +434,8 @@
             function computeTableHeaderCellIndexes(t) {
                 var matrix = [];
                 var lookup = {};
-                var thead = t.getElementsByTagName('THEAD')[0];
-                var trs = thead.getElementsByTagName('TR');
+                var thead = t.getElementsByTagName('thead')[0];
+                var trs = thead.getElementsByTagName('tr');
 
                 for (var i = 0; i < trs.length; i++) {
                     var cells = trs[i].cells;