How can I command the pre-loader to track the progress of the download?
public function loadImage(filename:String):void
{
// show the preloader
preloader.visible = true;
// set the source to the UILoader to the full size image to load and display
addChild(preloader);
//
var loadWindow:UILoader;
preloader.trackLoading("LOADING: " + (loader*100).toFixed(0) + "%");
}