Shows how a swf loaded by an html embedded swf can access the flashvars.

flashVarsToLoadedSwf

package
{	
	import flash.display.Sprite;
	import flash.display.Loader;
	import flash.net.URLRequest;

	/** 
	 * Loads SwfB in the same way a swf usually loads a swf. 
	 */
	public class SwfA extends Sprite
	{
		public function SwfA()
		{
			var flashVars:Object = root.loaderInfo.parameters;
			var s:String = this + "\n";
			for (var i:String in flashVars) {
				s += i + " = " + flashVars[i] + "\n";
			}
			trace("Main Client FlashVars:" + s);
			
			var ldr:Loader = new Loader();
			var urlReq:URLRequest = new URLRequest("SwfB.swf");
			ldr.load(urlReq);
			addChild(ldr);
		}
	}
}


package
{
	import flash.display.Sprite;
	import flash.events.Event;
	
	/**
	 * This class is loaded by SwfA and waits until it has been added to the stage
	 * in order to obtain the flash vars from the stage.loaderInfo.
	 */
	public class SwfB extends Sprite
	{
		public function SwfB()
		{
			addEventListener(Event.ADDED_TO_STAGE, onAddedToStage);
		}
		
		private function onAddedToStage(e:Event):void
		{
			var flashVars:Object = stage.loaderInfo.parameters;
			var s:String = this + "\n";
			for (var i:String in flashVars) {
				s += i + " = " + flashVars[i] + "\n";
			}
			trace("Loaded Swf FlashVars when Added to Stage: " + s);
		}
	}
}