Index: /CKEditor/trunk/CHANGES.html
===================================================================
--- /CKEditor/trunk/CHANGES.html	(revision 7227)
+++ /CKEditor/trunk/CHANGES.html	(revision 7228)
@@ -74,4 +74,5 @@
 		<li><a href="http://dev.ckeditor.com/ticket/8222">#8222</a> : [IE] Incorrect selection locking after open dialog in some cases.</li>
 		<li><a href="http://dev.ckeditor.com/ticket/8232">#8232</a> : [IE] Unable to apply inline style start from the end of link t###ext.</li>
+		<li><a href="http://dev.ckeditor.com/ticket/7153">#7153</a> : Fail to load dev version of editor after window loaded.</li>
 		<li>Updated the following language files:<ul>
 			<li><a href="http://dev.ckeditor.com/ticket/8128">#8128</a> : Italian;</li>
Index: /CKEditor/trunk/ckeditor_source.js
===================================================================
--- /CKEditor/trunk/ckeditor_source.js	(revision 7227)
+++ /CKEditor/trunk/ckeditor_source.js	(revision 7228)
@@ -21,5 +21,15 @@
 
 	// Include the loader script.
-	document.write(
-		'<script type="text/javascript" src="' + CKEDITOR.getUrl( '_source/core/loader.js' ) + '"></script>' );
+	if ( document.body && (!document.readyState || document.readyState == 'complete') )
+	{
+		var script = document.createElement( 'script' );
+		script.type = 'text/javascript';
+		script.src = CKEDITOR.getUrl( '_source/core/loader.js' );
+		document.body.appendChild( script );
+	}
+	else
+	{
+		document.write(
+			'<script type="text/javascript" src="' + CKEDITOR.getUrl( '_source/core/loader.js' ) + '"></script>' );
+	}
 }