fixed event dragging overlay z-index problem in IE

src/agenda.js

@@ -181,7 +181,7 @@ function Agenda(element, options, methods) {
 			head.find('td').click(slotClick);
 			
 			// all-day event container
-			daySegmentContainer = $("<div style='position:absolute;top:0;left:0'/>").appendTo(head);
+			daySegmentContainer = $("<div style='position:absolute;z-index:8;top:0;left:0'/>").appendTo(head);
 			
 			// body
 			d = zeroDate();
@@ -206,7 +206,7 @@ function Agenda(element, options, methods) {
 			body.find('td').click(slotClick);
 			
 			// slot event container
-			slotSegmentContainer = $("<div style='position:absolute;top:0;left:0'/>").appendTo(bodyContent);
+			slotSegmentContainer = $("<div style='position:absolute;z-index:8;top:0;left:0'/>").appendTo(bodyContent);
 			
 			// background stripes
 			d = cloneDate(d0);

src/grid.js

@@ -211,7 +211,7 @@ function Grid(element, options, methods) {
 			tbody = $(s + "</tbody>").appendTo(table);
 			tbody.find('td').click(dayClick);
 			
-			segmentContainer = $("<div style='position:absolute;top:0;left:0'/>").appendTo(element);
+			segmentContainer = $("<div style='position:absolute;z-index:8;top:0;left:0'/>").appendTo(element);
 		
 		}else{ // NOT first time, reuse as many cells as possible