Index: lams_central/web/errorpages/error.jsp
===================================================================
diff -u -r4c2d1f37b92435907ec4ce23cb635a7cd9e4161e -r1d797a122973488f0a007957b73a4c680a7eb932
--- lams_central/web/errorpages/error.jsp	(.../error.jsp)	(revision 4c2d1f37b92435907ec4ce23cb635a7cd9e4161e)
+++ lams_central/web/errorpages/error.jsp	(.../error.jsp)	(revision 1d797a122973488f0a007957b73a4c680a7eb932)
@@ -17,12 +17,15 @@
 		}
 		<c:if test="${showErrorStack1}">
 		function showHide() {
-			if (Element.visible("messageDetail")) {
-				$("showButt").innerHTML = "<fmt:message key='msg.show.detail'/>";
-				Element.hide("messageDetail");
+			var messageDetail = document.getElementById('messageDetail'),
+				showButt = document.getElementById('showButt');
+			if (messageDetail.style.display == 'none') {
+				showButt.innerHTML = "<fmt:message key='msg.hide.detail'/>";
+				messageDetail.style.display = 'inline';
+
 			} else {
-				$("showButt").innerHTML = "<fmt:message key='msg.hide.detail'/>";
-				Element.show("messageDetail");
+				showButt.innerHTML = "<fmt:message key='msg.show.detail'/>";
+				messageDetail.style.display = 'none';
 			}
 		}
 		</c:if>