Index: lams_gradebook/web/gradebookCourseMonitor.jsp
===================================================================
diff -u -ra9f62e22a4fe8d5adcf84322fbd833c217028fde -r051ab022e4087566f23069b2299f804d791c8e49
--- lams_gradebook/web/gradebookCourseMonitor.jsp	(.../gradebookCourseMonitor.jsp)	(revision a9f62e22a4fe8d5adcf84322fbd833c217028fde)
+++ lams_gradebook/web/gradebookCourseMonitor.jsp	(.../gradebookCourseMonitor.jsp)	(revision 051ab022e4087566f23069b2299f804d791c8e49)
@@ -89,7 +89,7 @@
 			    ],
 			    loadError: function(xhr,st,err) {
 			    		jQuery("#organisationGrid").clearGridData();
-			   	 	$.jgrid.info_dialog("<fmt:message key="label.error"/>", "<fmt:message key="gradebook.error.loaderror"/>", "<fmt:message key="label.ok"/>");
+			   	 	alert("<fmt:message key="gradebook.error.loaderror"/>");
 			    },
 			    subGrid: true,
 				subGridRowExpanded: function(subgrid_id, row_id) {
@@ -136,7 +136,7 @@
 					     ],
 					     loadError: function(xhr,st,err) {
 				    		jQuery("#"+subgrid_table_id).clearGridData();
-				    		$.jgrid.info_dialog("<fmt:message key="label.error"/>", "<fmt:message key="gradebook.error.loaderror"/>", "<fmt:message key="label.ok"/>");
+				    		alert("<fmt:message key="gradebook.error.loaderror"/>");
 				    	 },
 				    	 formatCell: function(rowid, cellname,value, iRow, iCol) {
 					    	 if (cellname == "mark") {
@@ -213,7 +213,7 @@
 			    ],
 			    loadError: function(xhr,st,err) {
 			    	jQuery("#userView").clearGridData();
-			    	$.jgrid.info_dialog("<fmt:message key="label.error"/>", "<fmt:message key="gradebook.error.loaderror"/>", "<fmt:message key="label.ok"/>");
+			    	alert("<fmt:message key="gradebook.error.loaderror"/>");
 			    },
 			    subGrid: true,
 				subGridRowExpanded: function(subgrid_id, row_id) {
@@ -262,7 +262,7 @@
 						     ],
 						     loadError: function(xhr,st,err) {
 						    	jQuery("#"+subgrid_table_id).clearGridData();
-						    	$.jgrid.info_dialog("<fmt:message key="label.error"/>", "<fmt:message key="gradebook.error.loaderror"/>", "<fmt:message key="label.ok"/>");
+						    	alert("<fmt:message key="gradebook.error.loaderror"/>");
 						     },
 						     formatCell: function(rowid, cellname,value, iRow, iCol) {
 					    	 	if (cellname == "mark") {
@@ -302,7 +302,7 @@
 					    	 		var currRowData = jQuery("#"+subgrid_table_id).getRowData(rowid);
 						     		if (currRowData['marksAvailable'] != null && currRowData['marksAvailable'] != "") {
 						     			if (parseFloat(value) > parseFloat(currRowData['marksAvailable'])){
-						     				$.jgrid.info_dialog("<fmt:message key="label.error"/>", "<fmt:message key="error.markhigher"/>", "<fmt:message key="label.ok"/>");
+						     				displayCellErrorMessage(jQuery("#"+subgrid_table_id)[0], iRow, iCol, "<fmt:message key="label.error"/>", "<fmt:message key="error.markhigher"/>", "<fmt:message key="label.ok"/>");
 						     				jQuery("#"+subgrid_table_id).restoreCell( iRow, iCol);
 						     				throw("Mark must be lower than maximum mark");
 						     			}
@@ -328,7 +328,7 @@
 						     	$("#organisationGrid").trigger("reloadGrid");
 						     },
 						     errorCell: function(serverresponse, status) {
-						     	$.jgrid.info_dialog("<fmt:message key="label.error"/>", "<fmt:message key="error.cellsave"/>", "<fmt:message key="label.ok"/>");
+						     	alert("<fmt:message key="error.cellsave"/>");
 						     },
 							 gridComplete: function(){
 								processLessonDateFields( lessonDatesHidden, jQuery("#"+subgrid_table_id) );
Index: lams_gradebook/web/gradebookMonitor.jsp
===================================================================
diff -u -ra9f62e22a4fe8d5adcf84322fbd833c217028fde -r051ab022e4087566f23069b2299f804d791c8e49
--- lams_gradebook/web/gradebookMonitor.jsp	(.../gradebookMonitor.jsp)	(revision a9f62e22a4fe8d5adcf84322fbd833c217028fde)
+++ lams_gradebook/web/gradebookMonitor.jsp	(.../gradebookMonitor.jsp)	(revision 051ab022e4087566f23069b2299f804d791c8e49)
@@ -91,13 +91,13 @@
 			    		if (marksReleased) {
 			    			marksReleased = false;
 			    		} else {
-			    			marksReleased = true;
-			    		}
-			    		displayReleaseOption();
-			    	} else {
-			    		
-			    		$.jgrid.info_dialog("<fmt:message key="label.error"/>", "<fmt:message key="error.releasemarks.fail"/>", "<fmt:message key="label.ok"/>");
-			    	}
+		    			marksReleased = true;
+		    		}
+		    		displayReleaseOption();
+		    	} else {
+		    		
+		    		alert("<fmt:message key="error.releasemarks.fail"/>");
+		    	}
 			    });
 		    }
 		}
@@ -185,8 +185,8 @@
 			      {name:'portraitId', index:'portraitId', width:0, hidden: true}
 			      ],
 			    loadError: function(xhr,st,err) {
-			    	jQuery("#userView").clearGridData();
-			    	$.jgrid.info_dialog("<fmt:message key="label.error"/>", "<fmt:message key="gradebook.error.loaderror"/>", "<fmt:message key="label.ok"/>");
+				    	jQuery("#userView").clearGridData();
+				    	alert("<fmt:message key="gradebook.error.loaderror"/>");
 			    },
 			    subGrid: true,
 				subGridRowExpanded: function(subgrid_id, row_id) {
@@ -230,8 +230,8 @@
 								{name:'mark', index:'mark', sortable:true, editable: true, editrules:{number:true}, width:50, align:"center" }
 						     ],
 						     loadError: function(xhr,st,err) {
-						    	jQuery("#"+subgrid_table_id).clearGridData();
-						    	$.jgrid.info_dialog("<fmt:message key="label.error"/>", "<fmt:message key="gradebook.error.loaderror"/>", "<fmt:message key="label.ok"/>");
+						    		jQuery("#"+subgrid_table_id).clearGridData();
+						 	 	alert("<fmt:message key="gradebook.error.loaderror"/>");
 						     },
 						     formatCell: function(rowid, cellname,value, iRow, iCol) {
 					    	 	if (cellname == "mark") {
@@ -271,7 +271,7 @@
 					    	 		var currRowData = jQuery("#"+subgrid_table_id).getRowData(rowid);
 						     		if (currRowData['marksAvailable'] != null && currRowData['marksAvailable'] != "") {
 						     			if (parseFloat(value) > parseFloat(currRowData['marksAvailable'])){
-						     				$.jgrid.info_dialog("<fmt:message key="label.error"/>", "<fmt:message key="error.markhigher"/>", "<fmt:message key="label.ok"/>");
+						     				displayCellErrorMessage(jQuery("#"+subgrid_table_id)[0], iRow, iCol, "<fmt:message key="label.error"/>", "<fmt:message key="error.markhigher"/>", "<fmt:message key="label.ok"/>");
 						     				jQuery("#"+subgrid_table_id).restoreCell( iRow, iCol);
 						     				throw("Mark must be lower than maximum mark");
 						     			}
@@ -299,7 +299,7 @@
 						     	}
 						     },
 						     errorCell: function(serverresponse, status) {
-						     	$.jgrid.info_dialog("<fmt:message key="label.error"/>", "<fmt:message key="error.cellsave"/>", "<fmt:message key="label.ok"/>");
+						     	alert("<fmt:message key="error.cellsave"/>");
 						     },
 							 gridComplete: function(){
 							 	toolTip($(".jqgrow"), "jqgridTooltip");
@@ -351,9 +351,9 @@
 				      {name:'avgMark',index:'avgMark', sortable:true, editable:false, width:50, align:"center"}
 				    ],
 				    loadError: function(xhr,st,err) {
-			    		jQuery("#activityView").clearGridData();
-			    		$.jgrid.info_dialog("<fmt:message key="label.error"/>", "<fmt:message key="gradebook.error.loaderror"/>", "<fmt:message key="label.ok"/>");
-			    	},
+			    			jQuery("#activityView").clearGridData();
+			    			alert("<fmt:message key="gradebook.error.loaderror"/>");
+			    		},
 				    subGrid: true,
 					subGridRowExpanded: function(subgrid_id, row_id) {
 					   var subgrid_table_id;
@@ -404,9 +404,9 @@
 						     	{name:'activityURL', index:'activityURL', width:0, hidden: true}
 						     ],
 						     loadError: function(xhr,st,err) {
-					    		jQuery("#"+subgrid_table_id).clearGridData();
-					    		$.jgrid.info_dialog("<fmt:message key="label.error"/>", "<fmt:message key="gradebook.error.loaderror"/>", "<fmt:message key="label.ok"/>");
-					    	 },
+						    		jQuery("#"+subgrid_table_id).clearGridData();
+						    		alert("<fmt:message key="gradebook.error.loaderror"/>");
+						    	 },
 					    	 formatCell: function(rowid, cellname,value, iRow, iCol) {
 					    	 	if (cellname == "mark") {
 					    	 		
@@ -444,7 +444,7 @@
 					    	 		var currRowData = jQuery("#"+subgrid_table_id).getRowData(rowid);
 						     		if (currRowData['marksAvailable'] != null && currRowData['marksAvailable'] != "") {
 						     			if (parseFloat(value) > parseFloat(currRowData['marksAvailable'])){
-						     				$.jgrid.info_dialog("<fmt:message key="label.error"/>", "<fmt:message key="error.markhigher"/>", "<fmt:message key="label.ok"/>");
+						     				displayCellErrorMessage(jQuery("#"+subgrid_table_id)[0], iRow, iCol, "<fmt:message key="label.error"/>", "<fmt:message key="error.markhigher"/>", "<fmt:message key="label.ok"/>");
 						     				jQuery("#"+subgrid_table_id).restoreCell( iRow, iCol);
 						     				throw("Mark must be lower than maximum mark");
 						     			}
@@ -468,7 +468,7 @@
 						     	}
 						     },
 						     errorCell: function(serverresponse, status) {
-						     	$.jgrid.info_dialog("<fmt:message key="label.error"/>", "<fmt:message key="error.cellsave"/>", "<fmt:message key="label.ok"/>");
+						     	alert("<fmt:message key="error.cellsave"/>");
 						     },
 							 gridComplete: function(){
 							 	toolTip($(".jqgrow"), "jqgridTooltip");	// applying tooltips for this grid
Index: lams_gradebook/web/includes/jsp/jqGridIncludes.jsp
===================================================================
diff -u -re6b3b4b473ebb151c10733808c40d4276b4f81ab -r051ab022e4087566f23069b2299f804d791c8e49
--- lams_gradebook/web/includes/jsp/jqGridIncludes.jsp	(.../jqGridIncludes.jsp)	(revision e6b3b4b473ebb151c10733808c40d4276b4f81ab)
+++ lams_gradebook/web/includes/jsp/jqGridIncludes.jsp	(.../jqGridIncludes.jsp)	(revision 051ab022e4087566f23069b2299f804d791c8e49)
@@ -186,4 +186,20 @@
     };
 
 
+    <%-- Based on jqgrid internal functions --%>
+    function displayCellErrorMessage(table, iRow, iCol, errorLabel, errorMessage, buttonText ) {
+    		setTimeout(function () {
+			try {
+			    	var frozenRows = table.grid.fbRows,
+					tr = table.rows[iRow];
+			    	tr = frozenRows != null && frozenRows[0].cells.length > iCol ? frozenRows[tr.rowIndex] : tr;
+			    var td = tr != null && tr.cells != null ? $(tr.cells[iCol]) : $(),
+			    		rect = td[0].getBoundingClientRect();
+			    $.jgrid.info_dialog.call(table, errorLabel, errorMessage, buttonText, {left:rect.left-200, top:rect.top});
+			} catch (e) {
+				alert(errorMessage);
+			}
+		}, 50);
+	}
+	
 </script>