Index: temp_moodle_dev/lamstwo/lib.php
===================================================================
diff -u -r7be5a6fd3dcd0517005c9c7368ab026439e6b003 -r997c59ccd6e9bdb33daf14f883336a9eecd80027
--- temp_moodle_dev/lamstwo/lib.php	(.../lib.php)	(revision 7be5a6fd3dcd0517005c9c7368ab026439e6b003)
+++ temp_moodle_dev/lamstwo/lib.php	(.../lib.php)	(revision 997c59ccd6e9bdb33daf14f883336a9eecd80027)
@@ -255,7 +255,7 @@
 
       $xml = utf8_encode($xml);
 
-      $domdoc = new XML();
+      $domdoc = new LAMSTWO_XML();
       $domdoc->parseXML($xml);
       $root = $domdoc->firstChild;
       return lamstwo_process_node($root) . ']';
@@ -277,6 +277,8 @@
  */
 function lamstwo_process_node($node) {
 
+	 $output = '';
+	 
 	 if ($node->nodeName == 'Folder') {
 
 	    $folder_name = preg_replace("/'/", "$1\'", $node->getAttribute('name'));
Index: temp_moodle_dev/lamstwo/lib.xml.inc.php
===================================================================
diff -u -r3253266e7813e33b87b513a586c77741ac9b24d8 -r997c59ccd6e9bdb33daf14f883336a9eecd80027
--- temp_moodle_dev/lamstwo/lib.xml.inc.php	(.../lib.xml.inc.php)	(revision 3253266e7813e33b87b513a586c77741ac9b24d8)
+++ temp_moodle_dev/lamstwo/lib.xml.inc.php	(.../lib.xml.inc.php)	(revision 997c59ccd6e9bdb33daf14f883336a9eecd80027)
@@ -21,14 +21,19 @@
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 	GNU General Public License for more details.
 
+
+	Modify on 07-Jan-2008 to avoid collision with constants introduced by other 
+   	PHP libraries added in Moodle 1.9.x
+
+
 	***************************************************************************/	
 
 	// Define element type constants
-	define('XML_ELEMENT_NODE', 1);
-	define('XML_TEXT_NODE', 3);
-	define('XML_CDATA_SECTION_NODE', 4);
-	define('XML_COMMENT_NODE', 8);
-	define('XML_DOCUMENT_NODE', 9);
+	define('LAMSTWO_XML_ELEMENT_NODE', 1);
+	define('LAMSTWO_XML_TEXT_NODE', 3);
+	define('LAMSTWO_XML_CDATA_SECTION_NODE', 4);
+	define('LAMSTWO_XML_COMMENT_NODE', 8);
+	define('LAMSTWO_XML_DOCUMENT_NODE', 9);
 
 	// Define exceptions codes
 	define('XML_INDEX_SIZE_ERR', 1);
@@ -288,7 +293,7 @@
 		function XML_Element($tagName) {
 			$this->XML_Node();
 			$this->nodeName = $tagName;
-			$this->nodeType = XML_ELEMENT_NODE;
+			$this->nodeType = LAMSTWO_XML_ELEMENT_NODE;
 		}
 
 		// Retrieves an attribute value by name
@@ -472,7 +477,7 @@
 
 			$this->nodeName = '#comment';
 			$this->nodeValue = $comment;
-			$this->nodeType = XML_COMMENT_NODE;
+			$this->nodeType = LAMSTWO_XML_COMMENT_NODE;
 		}
 
 		function toString($pretty = false, $tabs = '') {
@@ -506,7 +511,7 @@
 			
 			$this->nodeName = '#text';
 			$this->nodeValue = $text;
-			$this->nodeType = XML_TEXT_NODE;
+			$this->nodeType = LAMSTWO_XML_TEXT_NODE;
 		}
 
 		function splitText($offset) {
@@ -541,7 +546,7 @@
 		function XML_CDATASection($data) {
 			$this->nodeName = '#cdata-section';
 			$this->nodeValue = $data;
-			$this->nodeType = XML_CDATA_SECTION_NODE;
+			$this->nodeType = LAMSTWO_XML_CDATA_SECTION_NODE;
 		}
 
 		function toString($pretty = false, $tabs = '') {
@@ -571,7 +576,7 @@
 		function XML_Document() {
 			$this->XML_Node();
 			$this->nodeName = '#document';
-			$this->nodeType = XML_DOCUMENT_NODE;
+			$this->nodeType = LAMSTWO_XML_DOCUMENT_NODE;
 		}
 
 		function &createCDATASection($data) {
@@ -651,10 +656,10 @@
 	 *
 	 * @package phpdomxml
 	 */
-	class XML extends XML_Document {
+	class LAMSTWO_XML extends XML_Document {
 
 		// Constructor
-		function XML($url = '') {
+		function LAMSTWO_XML($url = '') {
 
 			// call parent's constructor
 			$this->XML_Document();
Index: temp_moodle_dev/lamstwo/mod.html
===================================================================
diff -u -rb6205710a89480f480f0e48d485a2e7278dcdfe5 -r997c59ccd6e9bdb33daf14f883336a9eecd80027
--- temp_moodle_dev/lamstwo/mod.html	(.../mod.html)	(revision b6205710a89480f480f0e48d485a2e7278dcdfe5)
+++ temp_moodle_dev/lamstwo/mod.html	(.../mod.html)	(revision 997c59ccd6e9bdb33daf14f883336a9eecd80027)
@@ -43,7 +43,8 @@
 <!-- ?php print_groupmode_setting($form); ? -->
 
 <?php
-	if ($_GET['update']){
+
+	if (isset($_GET['update'])){
 		echo '<div id="step1" align="center" style="display:none">';
 	}else{
 		echo '<div id="step1" align="center">';
@@ -92,7 +93,7 @@
 </div>
 
 <?php
-	if ($_GET['update']){
+	if (isset($_GET['update'])){
 		echo '<div id="step2" align="center">';
 	}else{
 		echo '<div id="step2" align="center" style="display:none">';
@@ -101,8 +102,8 @@
 <table cellpadding="5">
 <tr>
 	<td align="left">
-		<b><?php if($_GET['update']) print_string("update","lamstwo"); else print_string("confirm", "lamstwo") ?></b><br />
-		<p><?php if($_GET['update']) print_string("updateExplanation","lamstwo"); else print_string("confirmExplanation", "lamstwo") ?></p>
+		<b><?php if(isset($_GET['update'])) print_string("update","lamstwo"); else print_string("confirm", "lamstwo") ?></b><br />
+		<p><?php if(isset($_GET['update'])) print_string("updateExplanation","lamstwo"); else print_string("confirmExplanation", "lamstwo") ?></p>
 	</td>
 </tr>	
 <tr>
@@ -147,7 +148,7 @@
 								<td align="left">
 									<?php 
 										$disabled = '';
-										if ($_GET['update']!=null) {
+									   if (!isset($_GET['update'])){
 											$disabled = "disabled='disabled'";
 										}
 									?>
@@ -252,7 +253,7 @@
 	<td align="center">
 		<input type="submit" id="cancel" name=cancel value="<?php  print_string("cancel") ?>">
 		<input type="button" id="prev" name="prev" value="<?php print_string("prev", "lamstwo") ?>" onClick="javascript:prevStep()" disabled="<?php echo $_GET['update']!=null ?>" />
-		<input type="submit" id="save2" name="save" value="<?php if($_GET['update']) print_string("savechanges");else print_string("startnow", "lamstwo") ?>" onClick="javascript:return validate()" />
+		<input type="submit" id="save2" name="save" value="<?php if(isset($_GET['update'])) print_string("savechanges");else print_string("startnow", "lamstwo") ?>" onClick="javascript:return validate()" />
 	</td>
 </tr>
 </table>
Index: temp_moodle_dev/lamstwo/view.php
===================================================================
diff -u -r41634e60b3f735250ca345591ea0f56fcc2a1f4b -r997c59ccd6e9bdb33daf14f883336a9eecd80027
--- temp_moodle_dev/lamstwo/view.php	(.../view.php)	(revision 41634e60b3f735250ca345591ea0f56fcc2a1f4b)
+++ temp_moodle_dev/lamstwo/view.php	(.../view.php)	(revision 997c59ccd6e9bdb33daf14f883336a9eecd80027)
@@ -31,6 +31,7 @@
 //if ($course->category) {
 //    $navigation = "<A HREF=\"../../course/view.php?id=$course->id\">$course->shortname</A> ->";
 //}
+$strchoices = get_string("modulenameplural", "lamstwo");
 print_header_simple(format_string($lamstwo->name), "",
         "<a href=\"index.php?id=$course->id\">$strchoices</a> -> ".format_string($lamstwo->name), "", "", true,
         update_module_button($cm->id, $course->id, get_string("lesson","lamstwo")), navmenu($course, $cm));