diff --git a/styles/prosilver/template/portal/portal.js b/styles/prosilver/template/portal/portal.js
new file mode 100644
index 00000000..1cb65b26
--- /dev/null
+++ b/styles/prosilver/template/portal/portal.js
@@ -0,0 +1,39 @@
+/**
+*
+* @package Board3 Portal v2.1 - javascript code
+* @copyright (c) 2014 Board3 Group ( www.board3.de )
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+(function($) {  // Avoid conflicts with other libraries
+
+"use strict";
+
+/**
+ * Correctly align the right column underneath the left column.
+ * This will make sure that the right column doesn't start before the end of
+ * the center column but rather right after the last module of the left column.
+ */
+phpbb.b3p_fix_right_column_margin = function() {
+	var width = $(window).width();
+
+	if (width <= 700) {
+		// Get height of left and center column
+		var center_height = $('#portal-center').outerHeight();
+		var left_height = $('#portal-left').outerHeight();
+
+		$('#portal-right').css('margin-top', -(center_height - left_height) + 'px');
+	} else {
+		$('#portal-right').css('margin-top', '0px');
+	}
+};
+
+$(document).ready(function() {
+	phpbb.b3p_fix_right_column_margin();
+	$(window).resize(function() {
+		phpbb.b3p_fix_right_column_margin();
+	});
+});
+
+})(jQuery); // Avoid conflicts with other libraries
diff --git a/styles/prosilver/template/portal/portal_body.html b/styles/prosilver/template/portal/portal_body.html
index 67bfb358..392eddde 100644
--- a/styles/prosilver/template/portal/portal_body.html
+++ b/styles/prosilver/template/portal/portal_body.html
@@ -112,4 +112,6 @@
 <!--// board3 Portal by www.board3.de //-->
 <div class="copyright">Powered by <a href="http://www.board3.de/">Board3 Portal</a> &copy; 2009 - 2013 Board3 Group</div>
 
+<!-- INCLUDEJS portal/portal.js -->
+
 <!-- INCLUDE overall_footer.html -->