Index: moodle/mod/lamslesson/styles.css
===================================================================
diff -u -rf33b561f38d98d71de239a1721f48dfc83bc738c -re5d119ded061c44dbc09e2bccb357506ceba08ff
--- moodle/mod/lamslesson/styles.css	(.../styles.css)	(revision f33b561f38d98d71de239a1721f48dfc83bc738c)
+++ moodle/mod/lamslesson/styles.css	(.../styles.css)	(revision e5d119ded061c44dbc09e2bccb357506ceba08ff)
@@ -4,3 +4,70 @@
 .path-mod-lamslesson .progress-header {text-align:center;font-weight: bold;padding-top: 5px; padding-bottom:5px;}
 .path-mod-lamslesson .super {position:relative;bottom:0.5em;color:red;font-size:0.8em;}
 
+/* Copyright (c) 2006 Yahoo! Inc. All rights reserved. 
+This file is from:
+http://developer.yahoo.com/yui/examples/treeview/assets/css/folders/tree.css
+and has been modified to be used within Moodle 2 Themes
+*/
+
+/* first or middle sibling, no children */
+.ygtvtn { background: url([[pix:y/tn]]) 0 0 no-repeat; width:17px; height:22px; }
+
+/* first or middle sibling, collapsable */
+.ygtvtm { background: url([[pix:y/tm]]) 0 0 no-repeat; width:34px; height:22px; cursor:pointer }
+
+/* first or middle sibling, collapsable, hover */
+.ygtvtmh { background: url([[pix:y/tmh]]) 0 0 no-repeat; width:34px; height:22px; cursor:pointer }
+
+/* first or middle sibling, expandable */
+.ygtvtp { background: url([[pix:y/tp]]) 0 0 no-repeat; width:34px; height:22px; cursor:pointer }
+
+/* first or middle sibling, expandable, hover */
+.ygtvtph { background: url([[pix:y/tph]]) 0 0 no-repeat; width:34px; height:22px; cursor:pointer }
+
+/* last sibling, no children */
+.ygtvln { background: url([[pix:y/ln]]) 0 0 no-repeat; width:17px; height:22px; }
+
+/* Last sibling, collapsable */
+.ygtvlm { background: url([[pix:y/lm]]) 0 0 no-repeat; width:34px; height:22px; cursor:pointer }
+
+/* Last sibling, collapsable, hover */
+.ygtvlmh { background: url([[pix:y/lmh]]) 0 0 no-repeat; width:34px; height:22px; cursor:pointer }
+
+/* Last sibling, expandable */
+.ygtvlp { background: url([[pix:y/lp]]) 0 0 no-repeat; width:34px; height:22px; cursor:pointer }
+
+/* Last sibling, expandable, hover */
+.ygtvlph { background: url([[pix:y/lph]]) 0 0 no-repeat; width:34px; height:22px; cursor:pointer }
+
+/* Loading icon */
+.ygtvloading { background: url([[pix:y/loading]]) 0 0 no-repeat; width:16px; height:22px; }
+
+/* the style for the empty cells that are used for rendering the depth 
+ * of the node */
+.ygtvdepthcell { background: url([[pix:y/vline]]) 0 0 no-repeat; width:17px; height:22px; }
+
+.ygtvblankdepthcell { width:17px; height:22px; }
+
+/* the style of the div around each node */
+.ygtvitem { }  
+
+.ygtvitem  table{
+    margin-bottom:0;
+}
+.ygtvitem  td {
+    border:none;padding:0;
+} 
+
+
+
+/* the style of the div around each node's collection of children */
+.ygtvchildren { }  
+* html .ygtvchildren { height:1%; }  
+
+/* the style of the text label in ygTextNode */
+.ygtvlabel, .ygtvlabel:link, .ygtvlabel:visited, .ygtvlabel:hover { 
+	margin-left:2px;
+	text-decoration: none;
+}
+