(function(window)
{
	function Alien(bitmapSequence, spriteSheet, _width, _height, _sequence, _color)
	{
		this.bitmapSequence	= bitmapSequence;
		this.spriteSheet	= spriteSheet;
		this.width			= _width;
		this.height			= _height;
		this.sequence		= _sequence;
		this.color			= _color;
		this.shotFired		= new signals.Signal();
		this.reloadTimer	= null;
		this.shootTimer		= null;
		this.initialize();
	}
	Alien.prototype = new Container();
		Alien.prototype.width		= 0;
		Alien.prototype.height		= 0;
		Alien.prototype.color		= '#000';
		Alien.prototype.sequence	= null;
		// Constructor:
		Alien.prototype.Container_initialize = Alien.prototype.initialize;	// Unique to avoid overiding base class
		/**
		* INIT METHODS
		*/
		Alien.prototype.initialize = function()
		{
			this.Container_initialize();
			this.bitmapSequence.gotoAndStop(this.sequence);
			this.addChild(this.bitmapSequence);
		}
		Alien.prototype.inHitArea = function(point)
		{
			var global	= new Point(this.parent.x + this.x, this.parent.y + this.y); // localToGlobal() method seems to have a bug...?!
			if(point.x >= global.x && point.x <= global.x + this.width && point.y >= global.y && point.y <= global.y + this.height) return true;
			return false;
		}
		Alien.prototype.shoot = function()
		{
			this.bitmapSequence.gotoAndStop(this.bitmapSequence.nextSequence);
			this.shotFired.dispatch(new Point(this.x + this.width/2, this.y + this.height));
			var _this	= this;
			this.reloadTimer	= new Timer(800, 1);
			this.reloadTimer.TIMER_COMPLETED.addOnce(function(){_this.reload();});
			this.reloadTimer.start();
		}
		Alien.prototype.reload = function()
		{
			this.destroyTimers();
			this.bitmapSequence.gotoAndStop(this.bitmapSequence.nextSequence);
			var _this	= this;
			this.shootTimer	= new Timer(MathUtils.randRange(5000, 15000), 1);
			this.shootTimer.TIMER_COMPLETED.addOnce(function(){_this.shoot();});
			this.shootTimer.start();
		}
		/**
		* DESTROY METHODS
		*/
		Alien.prototype.disable = function()
		{
			this.destroyTimers();
			this.shotFired.removeAll();
		}
		Alien.prototype.destroyTimers = function()
		{
			if(this.shootTimer)
			{
				this.shootTimer.dispose();
				this.shootTimer	= null;
			}
			if(this.reloadTimer)
			{
				this.reloadTimer.dispose();
				this.reloadTimer	= null;
			}
		}
		/**
		* RENDERING METHODS
		*/
		Alien.prototype.enable = function()
		{
			this.bitmapSequence.gotoAndStop(this.bitmapSequence.nextSequence);
			this.reload();
		}
	window.Alien = Alien;
}(window));