Add new config

app/code/local/OnlineBiz/ObBase/etc/system.xml

@@ -34,6 +34,25 @@
 						</keys>
 					</fields>
 				</general>
+                <lib translate="label">
+					<label>Library Includes</label>
+					<sort_order>1</sort_order>
+					<show_in_default>1</show_in_default>
+					<show_in_website>1</show_in_website>
+					<show_in_store>1</show_in_store>
+					<fields>
+						<jquery>
+							<label>Include JQuery v1.10.x</label>
+                            <frontend_type>select</frontend_type>
+                            <source_model>adminhtml/system_config_source_yesno</source_model>
+                            <sort_order>10</sort_order>
+                            <show_in_default>1</show_in_default>
+                            <show_in_website>1</show_in_website>
+                            <show_in_store>1</show_in_store>
+							<comment><![CDATA[Include Jquery JS v1.10 or not? You may set this No if you already had a compatible jquery version included.]]></comment>
+						</jquery>
+					</fields>
+				</lib>
 			</groups>
 		</managekey>
 		<obbase translate="label" module="obbase">

app/design/frontend/base/default/layout/onlinebizsoft/obbase.xml

+<?xml version="1.0"?>
+<layout>
+	<!-- Default handle, loaded on most pages -->
+	<default>
+
+		<reference name="head">
+			<action method="addItem" ifconfig="managekey/lib/jquery">
+				<type>js</type>
+				<name>onlinebizsoft/obbase/jquery-1.10.2.min.js</name>
+			</action>
+			<action method="addItem" ifconfig="managekey/lib/jquery">
+				<type>js</type>
+				<name>onlinebizsoft/obbase/noconflict.js</name>
+			</action>
+		</reference>
+	</default>
+
+</layout>

js/onlinebizsoft/obbase/noconflict.js

+/**
+ * Magento
+ *
+ * NOTICE OF LICENSE
+ *
+ * This source file is subject to the Academic Free License (AFL 3.0)
+ * that is bundled with this package in the file LICENSE_AFL.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://opensource.org/licenses/afl-3.0.php
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@magento.com so we can send you a copy immediately.
+ *
+ * DISCLAIMER
+ *
+ * Do not edit or add to this file if you wish to upgrade Magento to newer
+ * versions in the future. If you wish to customize Magento for your
+ * needs please refer to http://www.magento.com for more information.
+ *
+ * @category    Mage
+ * @package     js
+ * @copyright   Copyright (c) 2006-2015 X.commerce, Inc. (http://www.magento.com)
+ * @license     http://opensource.org/licenses/afl-3.0.php  Academic Free License (AFL 3.0)
+ */
+
+// Avoid PrototypeJS conflicts, assign jQuery to $j instead of $
+var $j = jQuery.noConflict();