Index: lams_tool_spreadsheet/web/includes/javascript/spreadsheetcommon.js
===================================================================
diff -u -rfb099c65e1987ef8ff8f8aa4a0d987fd77247750 -r0acc4ca56f472b81307b4936c0cc797b71d5cf85
--- lams_tool_spreadsheet/web/includes/javascript/spreadsheetcommon.js	(.../spreadsheetcommon.js)	(revision fb099c65e1987ef8ff8f8aa4a0d987fd77247750)
+++ lams_tool_spreadsheet/web/includes/javascript/spreadsheetcommon.js	(.../spreadsheetcommon.js)	(revision 0acc4ca56f472b81307b4936c0cc797b71d5cf85)
@@ -1,10 +1,10 @@
 function showBusy(targetDiv){
 	if($(targetDiv+"_Busy") != null){
-		Element.show(targetDiv+"_Busy");
+		$(targetDiv+"_Busy").show();
 	}
 }
 function hideBusy(targetDiv){
 	if($(targetDiv+"_Busy") != null){
-		Element.hide(targetDiv+"_Busy");
+		$(targetDiv+"_Busy").hide();
 	}				
 }