Index: /FCKeditor/trunk/_whatsnew.html
===================================================================
--- /FCKeditor/trunk/_whatsnew.html	(revision 1731)
+++ /FCKeditor/trunk/_whatsnew.html	(revision 1732)
@@ -100,4 +100,7 @@
 		<li>[<a target="_blank" href="http://dev.fckeditor.net/ticket/2028">#2028</a>] Fixed
 			JavaScript error when EnterMode=br and user tries to insert a page break.</li>
+		<li>[<a target="_blank" href="http://dev.fckeditor.net/ticket/2002">#2002</a>] Fixed
+			the issue where the maximize editor button does not vertically expand the editing
+			area in Firefox.</li>
 	</ul>
 	<h3>
Index: /FCKeditor/trunk/editor/fckeditor.html
===================================================================
--- /FCKeditor/trunk/editor/fckeditor.html	(revision 1731)
+++ /FCKeditor/trunk/editor/fckeditor.html	(revision 1732)
@@ -341,6 +341,7 @@
 	{
 		// Running in Chrome makes the window receive the event including subframes.
-		// we care only about this window. Ticket #1642
-		if ( e && e.originalTarget !== document )
+		// we care only about this window. Ticket #1642.
+		// #2002: The originalTarget from the event can be the current document, the window, or the editing area.
+		if ( e && e.originalTarget !== document && e.originalTarget !== window && e.originalTarget.ownerDocument != document )
 			return ;
 
@@ -350,6 +351,6 @@
 		if ( eInnerElement )
 		{
-			eInnerElement.style.height = 0 ;
-			eInnerElement.style.height = oCell.scrollHeight - 2 ;
+			eInnerElement.style.height = '0px' ;
+			eInnerElement.style.height = ( oCell.scrollHeight - 2 ) + 'px' ;
 		}
 	}