Index: lams_tool_scratchie/web/pages/learning/learning.jsp
===================================================================
diff -u -rafe9074cefd7c77eda0f36838dbeb32784d0a1a2 -r137d3a0efe5f3bc0899247bc22e7c1d79a198bc8
--- lams_tool_scratchie/web/pages/learning/learning.jsp	(.../learning.jsp)	(revision afe9074cefd7c77eda0f36838dbeb32784d0a1a2)
+++ lams_tool_scratchie/web/pages/learning/learning.jsp	(.../learning.jsp)	(revision 137d3a0efe5f3bc0899247bc22e7c1d79a198bc8)
@@ -291,11 +291,11 @@
 		//a direct replacement for Java's String.hashCode() method 
 		function hashCode(str) {
 			var hash = 0;
-		    if (this.length == 0) {
+		    if (str.length == 0) {
 		        return hash;
 		    }
-		    for (var i = 0; i < this.length; i++) {
-		        var char = this.charCodeAt(i);
+		    for (var i = 0; i < str.length; i++) {
+		        var char = str.charCodeAt(i);
 		        hash = ((hash<<5)-hash)+char;
 		        hash = hash & hash; // Convert to 32bit integer
 		    }