You do not have the roles required to access this portlet.

"You do not have the roles required to access this portlet." if you are getting this error while showing the portlets in your pages. You can hide them by setting

layout.show.portlet.access.denied=false in portal.properties file.

by default its value is true.

Liferay

Liferay Portal provides jQuery as the default javascript library. This tutorial demonstrates how to build Standard tabbed page for your portlet using the jQuery library's tabs() method.

URL: http://www.youtube.com/watch?v=QBeomic29uc