How to display the jsp page on popup window in liferay?

<%@ taglib uri="http://java.sun.com/portlet_2_0" prefix="portlet" %>

<%@page import="com.liferay.portal.kernel.portlet.LiferayWindowState"%>

<portlet:defineObjects />

<portlet:renderURL var="portletSettingsURL" windowState="<%=LiferayWindowState.POP_UP.toString()%>">

<portlet:param name="jspPage" value="/html/jsppop/jpop.jsp"/>

</portlet:renderURL>

function openConfigPopup()

{

AUI().use('aui-dialog', 'aui-io', 'event', 'event-custom', function(A) {

var dialog = new A.Dialog({

title: 'Configuration',

centered: true,

draggable: true,

modal: true,

width: 200,

height: 200,

}).plug(A.Plugin.IO, {uri: '<%=portletSettingsURL%>'}).render();

dialog.show();

});

}

</script>

How to get current url from the theme ?

<%@ taglib uri="http://liferay.com/tld/theme" prefix="theme" %>

<theme:defineObjects/>

<%=PortalUtil.getLayoutURL(themeDisplay.getLayout(),themeDisplay) %>

LIFERAY WAY