This way will help you turn off responsive on JA Zite Template
1) Open tempates/ja_zite/etc/layouts/default.xml file
From
<stylesheets>
<file media="only screen and (max-width:719px)">css/layout-mobile.css</file>
<file media="only screen and (max-width:479px)">css/layout-mobile-port.css</file>
<file media="only screen and (min-width:720px) and (max-width: 985px)">css/layout-tablet.css</file>
<file media="only screen and (min-width:986px) and (max-width: 1235px)">css/layout-normal.css</file>
</stylesheets>
Change to
<stylesheets>
</stylesheets>
2) Rename this folder
From
<blockquote>templates/ja_zite/js/menu</blockquote>
Change to
<blockquote>templates/ja_zite/js/menu_bk</blockquote>
Remember to clear cache from Admin area