class Key_ob extends MovieClip
{
	//variables
	var scrollSpeed:Number =8;
	var i:Number = 0;
	var n:Number = 0;
	var collision:Boolean;
	var bell:Sound;
	var keys:Number = 0
	var keyHit:Boolean = false;
	var time:Number = 0;
	
	//functions
	function setKeyPosition ()
	{
		this.attachMovie ('key_mc','key'+i,i);
		this['key'+i]._x=350;
		this['key'+i]._y=3600;
		
		i++;
		this.attachMovie ('key_mc','key'+i,i);
		this['key'+i]._x=360;
		this['key'+i]._y=5250;
		
		i++;
		this.attachMovie ('key_mc','key'+i,i);
		this['key'+i]._x=175;
		this['key'+i]._y=6400;
		
		i++;
		this.attachMovie ('key_mc','key'+i,i);
		this['key'+i]._x=425;
		this['key'+i]._y=7700;
		
		
	}
	
	function collisionTest ()
	{
		if (keyHit==false)
		{
			for (n=0;n<4;n++)
			{
				if (this['key'+n].hitTest(_root.sprite)) 
				{
					keyHit=true;
					time=getTimer() + 1000;
					bell.start();
					keys++;
					_root.ground.keys++;
					this['key'+n]._visible=false;
					_root.keyIndicator.gotoAndPlay (_root.keyIndicator._currentframe +4);
				}
			}
		}
	}
	
	//handlers
	function onEnterFrame ()
	{
		if (_root.ground.scrollStop == false) 
		{
			this._y -= scrollSpeed;
			collisionTest ();
			if (keyHit=true)
			{
				if (time < getTimer())
				{
					keyHit=false;
				}
			}
		}
		
	}
	
	//constructor
	
	function Key_ob() 
	{
		setKeyPosition ();
		bell= new Sound ();
		bell.attachSound('bell');
		
	}
	
}