"Results per page" functionality - incorrect behavior

src/main/webapp/WEB-INF/jsp/accession/explore2.jsp

@@ -685,7 +685,9 @@
                     }
                 });
                 var filter = JSON.stringify(jsonData);
-                var url = '<c:url value="/explore" />' + '?filter=' + filter + "&columns=" + columns.toString();
+                var results = decodeURIComponent((new RegExp('[?|&]results=' + '([^&;]+?)(&|#|;|$)').exec(location.search)
+                    || [null, ''])[1].replace(/\+/g, '%20')) || 50;
+                var url = '<c:url value="/explore" />' + '?filter=' + filter + "&columns=" + columns.toString() + "&results=" + results;
                 window.location.href = encodeURI(url);
             });