Add search functionality to product listing and enable custom title editing

libraries/functions.js

@@ -56,6 +56,19 @@ function confirm_message( m_content, m_url )
   });
 }
 
+function escapeHtml(str)
+{
+    var map =
+    {
+        '&': '&',
+        '<': '&lt;',
+        '>': '&gt;',
+        '"': '&quot;',
+        "'": '&#039;'
+    };
+    return str.replace(/[&<>"']/g, function(m) {return map[m];});
+}
+
 function get_elapsed_time_string(total_seconds)
 {
   function pretty_time_string(num)