 import mx.core.mx_internal;
 import mx.events.FlexEvent;
 import mx.messaging.config.LoaderConfig;
-import mx.preloaders.DownloadProgressBar;
+import mx.preloaders.SparkDownloadProgressBar;
 import mx.preloaders.Preloader;
 import mx.resources.IResourceManager;
 import mx.resources.ResourceBundle;


        var preloaderDisplayClass:Class = info()["preloader"] as Class;
        if (usePreloader && !preloaderDisplayClass)
            preloaderDisplayClass = DownloadProgressBar;

        // Put cross-domain RSL information in the RSL list.
        var rslList:Array = [];

 *
 *  <p>The SystemManager is the first display class created within an application.
 *  It is responsible for creating an <code>mx.preloaders.Preloader</code> that displays and
 *  <code>mx.preloaders.SparkDownloadProgressBar</code> while the application finishes loading,
 *  then creates the <code>mx.core.Application</code> instance.</p>
 *  
 *  @langversion 3.0
