diff --git a/presentation/lookAndFeel/knowledgeTree/discussions/addCommentUI.inc b/presentation/lookAndFeel/knowledgeTree/discussions/addCommentUI.inc
index 090f32d..1885cf5 100644
--- a/presentation/lookAndFeel/knowledgeTree/discussions/addCommentUI.inc
+++ b/presentation/lookAndFeel/knowledgeTree/discussions/addCommentUI.inc
@@ -58,11 +58,11 @@ function getAddComment($iDocumentID, $sSubject, $sBody, $iCommentID, $iNewCommen
 	$sToRender .= "<input onmouseover=\"this.style.cursor='hand'\" type=\"image\" src=\"" . KTHtml::getSubmitButton() . "\" border=0></td>";	
 	if ($iNewComment>0) {	// If user is creating a new comment
 		$sToRender .= "<td width=\"10\" valign=top><a href=\"" . generateControllerLink("viewDiscussion", "fForDiscussion=1&fDocumentID=$iDocumentID") . "\"><img src=\"" . KTHtml::getCancelButton() . "\" border=0 ></a></td></tr>\n";
-		$sToRender .= "<input type=\"hidden\" name=\"iNewComment\" value=\"1\"/>";
+		$sToRender .= "<input type=\"hidden\" name=\"fNewComment\" value=\"1\"/>";
 	} else {				// If the user is replying to a comment
 		$sToRender .= "<input type=\"hidden\" name=\"fInReplyTo\" value=\"$iCommentID\"/>";
 		$sToRender .= "<input type=\"hidden\" name=\"fThreadID\" value=\"". $iThreadID . "\"/>";
-		$sToRender .= "<td width=\"10\" valign=top><a href=\"" . generateControllerLink("viewComment", "fViewComment=1&iDocumentID=$iDocumentID&iCommentID=$iCommentID") . "\"><img src=\"" . KTHtml::getCancelButton() . "\" border=0 ></a></td></tr>\n";		
+		$sToRender .= "<td width=\"10\" valign=top><a href=\"" . generateControllerLink("viewComment", "fViewComment=1&fDocumentID=$iDocumentID&fCommentID=$iCommentID") . "\"><img src=\"" . KTHtml::getCancelButton() . "\" border=0 ></a></td></tr>\n";		
 	}
 	$sToRender .= "<br><tr><td valign=\"top\" width=10><b>Subject</b></td><td colspan=2>\n";
 	$sToRender .= "<input type=\"text\" style=\"width:385\" name=\"fSubject\" value=\"$sSubject\"></td></tr>\n";
diff --git a/presentation/lookAndFeel/knowledgeTree/discussions/viewCommentBL.php b/presentation/lookAndFeel/knowledgeTree/discussions/viewCommentBL.php
index 144453a..f749e0e 100644
--- a/presentation/lookAndFeel/knowledgeTree/discussions/viewCommentBL.php
+++ b/presentation/lookAndFeel/knowledgeTree/discussions/viewCommentBL.php
@@ -35,17 +35,19 @@ require_once("$default->fileSystemRoot/lib/discussions/DiscussionThread.inc");
 require_once("$default->fileSystemRoot/lib/discussions/DiscussionComment.inc");
 require_once("$default->fileSystemRoot/presentation/lookAndFeel/knowledgeTree/documentmanagement/documentUI.inc");
 require_once("$default->fileSystemRoot/presentation/Html.inc");
+
+KTUtil::extractGPC('fCommentID', 'fDocumentID', 'fThreadID');
  
 if (checkSession()) {
 	require_once("$default->fileSystemRoot/presentation/webpageTemplate.inc");
     $oPatternCustom = & new PatternCustom();	
  
 	// validate input parameters
-	if (isset($iCommentID) && isset($iDocumentID)) {
-		$oComment = DiscussionComment::get($iCommentID);
+	if (isset($fCommentID) && isset($fDocumentID)) {
+		$oComment = DiscussionComment::get($fCommentID);
 	  	$oUser = User::get($oComment->getUserID());		
 	  	$main->setFormAction("$default->rootUrl/presentation/lookAndFeel/knowledgeTree/discussions/addCommentBL.php?fDocumentID=$iDocumentID&fCommentID=$iCommentID&fReplyComment=1");		
-	  	$oPatternCustom->setHtml(getCommentBody($oComment,$iDocumentID,$oUser,$iThreadID));	  	
+	  	$oPatternCustom->setHtml(getCommentBody($oComment,$fDocumentID,$oUser,$fThreadID));	  	
 	} else {
 		$main->setErrorMessage(_("You didn't specify a comment to view"));
 	}