function Ghost(x, y, img)
{
	this.row = x / CELL_SIZE;
	this.column = y / CELL_SIZE;
	
	this.speed = 1;
	
	var xp = this.xp = this.startX = x;
	var yp = this.yp = this.startY = y;
	
	var dirX = this.dirX = 0;
	var dirY = this.dirY = 0;
	
	this.chaseTime = 7;
	this.idleTime = 3;
	this.chasing = false;
	var scope = this;
	this.interval = setInterval(function(){scope.changeChase()}, 1000 * this.idleTime);
	
	this.width = 32; 
	this.height = 32;
	
	var animation = this.animation = new Animation(img, 32, 32, domElement);
	animation.offsetY = 0;
	animation.offsetX = 0;
	animation.looping = true;
	animation.play();
	
	var domElement = this.domElement = this.animation.domElement;
	
	this.moveRight = function()
	{
		this.dirX = this.speed;
		this.dirY = 0;
		this.animation.rotation = 0;
	};
	
	this.moveLeft = function()
	{
		this.dirX = -this.speed;
		this.dirY = 0;
		this.animation.rotation = 180;
	};
	
	this.moveUp = function()
	{
		this.dirX = 0;
		this.dirY = -this.speed;
		this.animation.rotation = 270;
	};
	
	this.moveDown = function()
	{
		this.dirX = 0;
		this.dirY = this.speed;
		this.animation.rotation = 90;
	};
	
	this.stopMovement = function()
	{
		this.dirX = this.dirY = 0;
	};
	
	this.update = function()
	{
		this.xp += this.dirX;
		this.yp += this.dirY;
		
		this.animation.x = this.xp;
		this.animation.y = this.yp;
		this.animation.update();
	};

	this.render = function()
	{
		this.animation.render();
	};
	
	this.getLeft = function()
	{ 
		return this.xp; 
	};

	this.getRight = function()
	{ 
		return this.xp + this.width; 
	};

	this.getTop = function()
	{
		return this.yp; 
	};

	this.getBottom = function()
	{
		return this.yp + this.height; 
	};
	
	this.changeChase = function()
	{
		clearInterval(this.interval);
		this.chasing = !this.chasing;
		
		var scope = this;
		var time = this.chasing ? this.chaseTime : this.idleTime;
		this.interval = setInterval(function(){scope.changeChase()}, 1000 * time) ;
	};
	
	this.reset = function()
	{
		this.xp = this.startX;
		this.yp = this.startY;
	}
	
	this.init = function()
	{
		this.update();
		this.render();
	}
}