class Main extends MovieClip
{
	
	// variables
	var n:Number = 0;
	var nOld:Number = 0;
	var pixNames:Array;
	var caption:String;
	var range:Number;
	var rangeA:Number;
	var rangeB:Number;
	
	
	// functions
	function nextImage()
	{
		n++;
		if (n > (pixNames.length -1)) 
		{
			n=0
		}
		loadMovieNum ( "pix/"+pixNames[n]+".jpg",1);
		_root.caption.text = n + " " + pixNames[n];
	}

	function prevImage()
	{
		n--;
		if (n < 0) 
		{
			n= pixNames.length - 1;
		}
		loadMovieNum ( "pix/"+pixNames[n]+".jpg",1);
		_root.caption.text = n + " " + pixNames[n];
	}

	function randomImage()
	{
		nOld = n;
		range= pixNames.length - 1;
		n = Math.floor(Math.random()*range);
		if (n == nOld) 
		{
			rangeA = range-n;
			rangeB = n;
			if (rangeA >= rangeB) 
			{
				n = Math.ceil(Math.random()*rangeA)+n;
			} else 
			{
				n = Math.floor(Math.random()*rangeB);
			}
		}
	
		nOld = n;
		loadMovieNum ( "pix/"+pixNames[n]+".jpg",1);
		_root.caption.text = n + " " + pixNames[n];	
	}

	function firstImage()
	{
		n=0;
		loadMovieNum ( "pix/"+pixNames[n]+".jpg",1);
		_root.caption.text = n + " " + pixNames[n];

	}

	function lastImage()
	{
		n= pixNames.length - 1;
		loadMovieNum ( "pix/"+pixNames[n]+".jpg",1);
		_root.caption.text = n + " " + pixNames[n];

	}
	
	function thisImage (n)
	{
		trace (n);
		this.n= n; // wierd quirk. needed this to make red box around current when this function invoked.
		loadMovieNum ( "pix/"+pixNames[n]+".jpg",1);
		_root.caption.text = n + " " + pixNames[n];

	}
	// frame handlers
	
	// constructor
	
	function Main ()
	{
		pixNames = new Array("beach", "beachcombers" ,"canyon","coast1", "coast2", "dawn" ,"embankment", "greenHills", "jungleSteps", "lake", "lighthouse", "lunar", "monuments", "peak1", "peak2", "daybreak", "gorge", "jetty", "palms", "river", "snow1", "snow2", "springfield", "stream", "teeth", "yacht");
		loadMovieNum ( "pix/"+pixNames[n]+".jpg",1);
		_root.caption.text = n + " " + pixNames[n];
		
		
	}
	
	
	
	
}