Index: lams_tool_assessment/web/includes/javascript/assessmentcommon.js
===================================================================
diff -u -rc56857991e269aa7f5bd250a05b52c767a9957ad -r5db1b4b04cb030113cfa1affe061817bcb4f2a21
--- lams_tool_assessment/web/includes/javascript/assessmentcommon.js	(.../assessmentcommon.js)	(revision c56857991e269aa7f5bd250a05b52c767a9957ad)
+++ lams_tool_assessment/web/includes/javascript/assessmentcommon.js	(.../assessmentcommon.js)	(revision 5db1b4b04cb030113cfa1affe061817bcb4f2a21)
@@ -1,10 +1,27 @@
-	function showBusy(targetDiv){
-		if($(targetDiv+"_Busy") != null){
-			Element.show(targetDiv+"_Busy");
-		}
+function showBusy(targetDiv){
+	if($(targetDiv+"_Busy") != null){
+		Element.show(targetDiv+"_Busy");
 	}
-	function hideBusy(targetDiv){
-		if($(targetDiv+"_Busy") != null){
-			Element.hide(targetDiv+"_Busy");
-		}				
-	}
+}
+
+function hideBusy(targetDiv){
+	if($(targetDiv+"_Busy") != null){
+		Element.hide(targetDiv+"_Busy");
+	}				
+}
+
+// toggles whether to display advanced options
+function toggleVisibility(divId) {
+	var divToHide = $("#" + divId);
+	
+	//change img's src
+	var img = $(divToHide).prev().children().first();
+	var oldSrc = img.attr("src");
+	var newSrc = (oldSrc.indexOf("/images/tree_closed.gif") > -1) ? 
+			oldSrc.replace("/images/tree_closed.gif", "/images/tree_open.gif") : 
+			oldSrc.replace("/images/tree_open.gif", "/images/tree_closed.gif");
+	img.attr("src", newSrc);
+
+	divToHide.toggle("slow");
+}
+