diff --git a/navigation.lib.php b/navigation.lib.php
index 6c28cee..ff31b6d 100644
--- a/navigation.lib.php
+++ b/navigation.lib.php
@@ -1,8 +1,33 @@
 <?php
 require_once('open_db.lib.php');
 require_once("get_data.lib.php");
-if (stream_resolve_include_path("Numbers/Words.php"))
-  include_once("Numbers/Words.php");
+
+/*
+ * Return a whole number in English words, for example 25 => "twenty-five"
+ * and 105 => "one hundred and five". This replaces the PEAR Numbers_Words package.
+ */
+function number_words($n) {
+  static $small = array('zero', 'one', 'two', 'three', 'four', 'five', 'six',
+    'seven', 'eight', 'nine', 'ten', 'eleven', 'twelve', 'thirteen', 'fourteen',
+    'fifteen', 'sixteen', 'seventeen', 'eighteen', 'nineteen');
+  static $tens = array(2 => 'twenty', 'thirty', 'forty', 'fifty', 'sixty',
+    'seventy', 'eighty', 'ninety');
+  static $scales = array(1000000000 => 'billion', 1000000 => 'million', 1000 => 'thousand');
+
+  $n = (int)$n;
+  if ($n < 0)
+    return 'minus ' . number_words(-$n);
+  if ($n < 20)
+    return $small[$n];
+  if ($n < 100)
+    return $tens[intdiv($n, 10)] . ($n % 10 ? '-' . $small[$n % 10] : '');
+  if ($n < 1000)
+    return $small[intdiv($n, 100)] . ' hundred' . ($n % 100 ? ' and ' . number_words($n % 100) : '');
+  foreach ($scales as $size => $name) {
+    if ($n >= $size)
+      return number_words(intdiv($n, $size)) . ' ' . $name . ($n % $size ? ($n % $size < 100 ? ' and ' : ' ') . number_words($n % $size) : '');
+  }
+}
 
 function sort_options($link) {
   $queue  = get_queue();
@@ -65,7 +90,6 @@ function get_pager() {
   $queue_url  = $queue ? 1 : 0;
 
   $string = '<div class="pager">';
-  $nw = class_exists('Numbers_Words') ? new Numbers_Words() : NULL;
   // Are there later stories? Go backwards to them
   $string .= '<span class="next">';
   if ($start > 0) {
@@ -75,7 +99,7 @@ function get_pager() {
     if (isset($_GET['show']))   $string .= '&amp;show='.(int)$show;
     if (isset($_GET['sort']))   $string .= '&amp;sort='.$sort;
     if (isset($_GET['order']))  $string .= '&amp;order='.$order;
-    $articles = ($show == 1) ? "article" : ($nw ? $nw->toWords((int)$show) : (int)$show)." articles";
+    $articles = ($show == 1) ? "article" : number_words($show)." articles";
     $string .= '">&laquo; Next '.$articles.'</a>';
   }
   $string .= "</span>\n";
@@ -89,7 +113,7 @@ function get_pager() {
     if (isset($_GET['show']))   $string .= '&amp;show='.(int)$show;
     if (isset($_GET['sort']))   $string .= '&amp;sort='.$sort;
     if (isset($_GET['order']))  $string .= '&amp;order='.$order;
-    $articles = ($show == 1) ? "article" : ($nw ? $nw->toWords((int)$show) : (int)$show)." articles";
+    $articles = ($show == 1) ? "article" : number_words($show)." articles";
     $string .= '">Previous '.$articles.' &raquo;</a>';
   }
   $string .= "</span>\n";