function close button

cmsWebApp/webroot/extensions/adminportal/manage_plan.jsp

@@ -58,6 +58,10 @@
                PopupCoupon.open();
            }
                           
+           $(".invalid-coupon-close-button").on("click",function(){             
+               PopupCoupon.close();
+           });               
+                          
            $(".select-btn").on("click",function(){             
                Popup.setContent($("#" + $(this).data('popupid')  ));
                Popup.open();