Index: lams_monitoring/web/emailnotifications/courseNotifications.jsp
===================================================================
RCS file: /usr/local/cvsroot/lams_monitoring/web/emailnotifications/courseNotifications.jsp,v
diff -u -r1.1.2.2 -r1.1.2.3
--- lams_monitoring/web/emailnotifications/courseNotifications.jsp	3 Sep 2011 23:01:16 -0000	1.1.2.2
+++ lams_monitoring/web/emailnotifications/courseNotifications.jsp	4 Sep 2011 10:04:41 -0000	1.1.2.3
@@ -109,6 +109,8 @@
 			var url = getUrl();
 			if (url.length) {
 				$("#list3").setGridParam({datatype:'json', page:1, url: url}).trigger('reloadGrid');	
+			} else {
+				$("#list3").setGridParam({page:1}).clearGridData();
 			}
 			return false;
 		}
@@ -121,6 +123,9 @@
 			if ((searchType == 7) || (searchType == 8)) {
 				$("#lessonDiv").show();
 				lessonId = "&lessonId=" + document.getElementById("lessonId").value;
+				if (document.getElementById("lessonId").value == "") {
+					return "";
+				}
 			} else {
 				$("#lessonDiv").hide();
 			}