Index: /FCKeditor/trunk/editor/filemanager/connectors/php/io.php
===================================================================
--- /FCKeditor/trunk/editor/filemanager/connectors/php/io.php	(revision 688)
+++ /FCKeditor/trunk/editor/filemanager/connectors/php/io.php	(revision 689)
@@ -264,5 +264,6 @@
 {
 	echo '<script type="text/javascript">' ;
-	echo 'window.parent.OnUploadCompleted(' . $errorNumber . ',"' . str_replace( '"', '\\"', $fileUrl ) . '","' . str_replace( '"', '\\"', $fileName ) . '", "' . str_replace( '"', '\\"', $customMsg ) . '") ;' ;
+	$rpl = array('\\' => '\\\\', '"' => '\\"');
+	echo 'window.parent.OnUploadCompleted(' . $errorNumber . ',"' . strtr( $fileUrl, $rpl ) . '","' . strtr( $fileName, $rpl ) . '", "' . strtr($customMsg, $rpl ) . '") ;' ;
 	echo '</script>' ;
 	exit ;
Index: /FCKeditor/trunk/editor/filemanager/connectors/php/upload.php
===================================================================
--- /FCKeditor/trunk/editor/filemanager/connectors/php/upload.php	(revision 688)
+++ /FCKeditor/trunk/editor/filemanager/connectors/php/upload.php	(revision 689)
@@ -29,4 +29,10 @@
 require('./phpcompat.php') ;
 
+function SendError( $number, $text )
+{
+	SendUploadResults( $number, '', '', $text ) ;
+}
+
+
 // Check if this uploader has been enabled.
 if ( !$Config['Enabled'] )