Index: /CKEditor/trunk/CHANGES.html
===================================================================
--- /CKEditor/trunk/CHANGES.html	(revision 4848)
+++ /CKEditor/trunk/CHANGES.html	(revision 4849)
@@ -78,4 +78,5 @@
 		<li><a href="http://dev.fckeditor.net/ticket/4889">#4889</a> : Fixed unable to undo 'New Page' command after typing inside editor.</li>
 		<li><a href="http://dev.fckeditor.net/ticket/4892">#4892</a> : Fixed table alignment style is not properly represented by the wrapping div.</li>
+		<li><a href="http://dev.fckeditor.net/ticket/4918">#4918</a> : Fixed switching mode when maximized is showing background page contents.</li>
 	</ul>
 	<h3>
Index: /CKEditor/trunk/_source/skins/office2003/mainui.css
===================================================================
--- /CKEditor/trunk/_source/skins/office2003/mainui.css	(revision 4848)
+++ /CKEditor/trunk/_source/skins/office2003/mainui.css	(revision 4849)
@@ -55,4 +55,6 @@
 {
 	border: solid 1px #696969;
+	/* Prevent background content from penetrate through when switching between editing modes. (#4918) */
+	background-color: white;
 }
 
Index: /CKEditor/trunk/_source/skins/v2/mainui.css
===================================================================
--- /CKEditor/trunk/_source/skins/v2/mainui.css	(revision 4848)
+++ /CKEditor/trunk/_source/skins/v2/mainui.css	(revision 4849)
@@ -64,4 +64,6 @@
 {
 	border: solid 1px #696969;
+	/* Prevent background content from penetrate through when switching between editing modes. (#4918) */
+	background-color: white;
 }