 {
 
 import flash.display.LoaderInfo;
+import flash.system.Capabilities;
 
 import mx.core.mx_internal;
 

                url = urlFilter(url, index);
            }
        }
        
        return url;
    }


        return absoluteURL;
    }
    
    /**
     *  @private
     */
    private static function isMac():Boolean
    {
        return Capabilities.os.substring(0, 3) == "Mac";
    }

    /**
     *  @private
