diff --git a/_layouts/default.html b/_layouts/default.html
index 90b6872f..f9e8a174 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -13,34 +13,19 @@
 	<meta name="description" content="A comprehensive manual on the NCBI C++ toolkit, including its design and development framework, a C++ library reference, software examples and demos, FAQs and release notes.">
 	<meta name="ncbipopper" content="triggerPosition:'bottom left',destPosition:'top left',openEvent:'click',closeEvent:'click'">
 	<!-- PageFixtures resources end -->
-	<!-- new table style begin -->	
-	<link rel="stylesheet" type="text/css" href="https://cdn.datatables.net/1.10.23/css/jquery.dataTables.min.css">
-	<script type="text/javascript" charset="utf8" src="https://code.jquery.com/jquery-3.5.1.js"></script>	
-	<script type="text/javascript" charset="utf8" src="https://cdn.datatables.net/1.10.23/js/jquery.dataTables.js"></script>	
 	
-	<style type="text/css">
-	div.dataTables_wrapper {
-		max-width: 2000px;
-		display: inline-block;
-		margin: 0 auto;
-		align: right;
-		border-bottom: 1px solid silver;
-	}
-	</style>
-	<script type="text/javascript" class="init">
-	$(document).ready(function() {
-		$('div.section > table').DataTable({
-			scrollY: '50vh',
-			scrollX: true,
-			scrollCollapse: true,
-			searching: false,
-			ordering: false,
-			info: false,
-			paging: false
-		});
-	});
-	</script>
-	<!-- new table style end -->
+<!-- STICKY HEADER begin --> 	
+      <script src="//code.jquery.com/jquery.min.js"></script>
+      <style id="jsbin-css">
+         table.floatThead-table {
+         border-top: none;
+         border-bottom: none;
+         background-color: #fff;
+         }
+      </style>
+<!-- STICKY HEADER end --> 	
+
+
 	<!-- sidebar test begin -->
 	<meta name="viewport" content="width=device-width, initial-scale=1.0">
 	<link rel="stylesheet" href="/cxx-toolkit/static/css/bookpage.css" type="text/css">
@@ -119,6 +104,16 @@
 			document.documentElement.scrollTop = 0; // For Chrome, Firefox, IE and Opera
 		}
 		</script>
+			
+      <!-- STICKY HEADER start --> 	
+      <script>
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+         $(document).ready(function(){
+         $("div.section > table").floatThead({scrollingTop:110});
+         });
+      </script>
+      <!-- STICKY HEADER end --> 			
+			
 </body>
 
 </html>