Index: /FCKeditor/trunk/_whatsnew.html
===================================================================
--- /FCKeditor/trunk/_whatsnew.html	(revision 145)
+++ /FCKeditor/trunk/_whatsnew.html	(revision 146)
@@ -53,4 +53,6 @@
 		<li>[<a target="_blank" href="https://sourceforge.net/tracker/?func=detail&atid=543653&aid=1653009&group_id=75348">SF
 			BUG-1653009</a>] If the server is configured to process html files as asp then it generated ASP error 0138.</li>
+		<li>[<a target="_blank" href="https://sourceforge.net/tracker/?func=detail&atid=543653&aid=1288609&group_id=75348">SF
+			BUG-1288609</a>] The content of iframes are preserved.</li>
 	</ul>
 	<h3>
Index: /FCKeditor/trunk/editor/_source/internals/fcktools.js
===================================================================
--- /FCKeditor/trunk/editor/_source/internals/fcktools.js	(revision 145)
+++ /FCKeditor/trunk/editor/_source/internals/fcktools.js	(revision 146)
@@ -92,4 +92,16 @@
 	text = text.replace( /</g, '&lt;' ) ;
 	text = text.replace( />/g, '&gt;' ) ;
+
+	return text ;
+}
+
+FCKTools.HTMLDecode = function( text )
+{
+	if ( !text )
+		return '' ;
+
+	text = text.replace( /&gt;/g, '>' ) ;
+	text = text.replace( /&lt;/g, '<' ) ;
+	text = text.replace( /&amp;/g, '&' ) ;
 
 	return text ;
Index: /FCKeditor/trunk/editor/_source/internals/fckxhtml.js
===================================================================
--- /FCKeditor/trunk/editor/_source/internals/fckxhtml.js	(revision 145)
+++ /FCKeditor/trunk/editor/_source/internals/fckxhtml.js	(revision 146)
@@ -440,4 +440,22 @@
 
 		return node ;
+	},
+
+	// IE loses contents of iframes, and Gecko does give it back HtmlEncoded
+	// Note: Opera does lose the content and doesn't provide it in the innerHTML string
+	iframe : function( node, htmlNode )
+	{
+		var sHtml = htmlNode.innerHTML ;
+
+		// Gecko does give back the encoded html
+		if ( FCKBrowserInfo.IsGecko )
+			sHtml = FCKTools.HTMLDecode( sHtml );
+		
+		// Remove the saved urls here as the data won't be processed as nodes
+		sHtml = sHtml.replace( /\s_fcksavedurl="[^"]*"/g, '' ) ;
+
+		node.appendChild( FCKXHtml.XML.createTextNode( FCKXHtml._AppendSpecialItem( sHtml ) ) ) ;
+
+		return node ;
 	}
 } ;