<?php
	if ( ! is_active_sidebar( 'sidebar-2' ) && ! is_active_sidebar( 'sidebar-3' ) && ! is_active_sidebar( 'sidebar-4'  ) )
		return;
?>

<div id="footer-widgets">
	<div class="clearfix container">
	<?php
		$footer_sidebars = array( 'sidebar-2', 'sidebar-3', 'sidebar-4' );
		foreach ( $footer_sidebars as $key => $footer_sidebar ){
			if ( is_active_sidebar( $footer_sidebar ) ) {
				echo '<div class="footer-widget' . (  2 == $key ? ' last' : '' ) . '">';
				dynamic_sidebar( $footer_sidebar );
				echo '</div> <!-- end .footer-widget -->';
			}
		}
	?>
	</div> <!-- end .container -->
</div> <!-- end #footer-widgets -->