[dimarik]

package {
	import flash.display.*;
	import flash.text.*;
 
	public class MyClass_1 extends MovieClip {
		var C2:MyClass_2=new MyClass_2();
 
		public function MyClass_1() {
			C2.showMess("Hello, world!", this);
		}
	}
}
 
package {
	import flash.display.*;
	import flash.text.*;
 
	public class MyClass_2 extends MovieClip {
		var messArea:TextField = new TextField();
		var mess="Начальное значение";
 
		public function MyClass_2() {
 
		}
		public function showMess(m_mess, target:DisplayObjectContainer=null) {
			messArea.text=m_mess;
			trace(messArea.text);
			if (!target) target = this;
			target.addChild(messArea);
		}
	}
}