// JavaScript Document

var myPicz = [

];

var myText = [

];

var myNames = [

];


	var startPicz = '';
	var maxTijd = 3 * 1000;

	function preloadImg(){
		var totalImg = myPicz.length - 1;
		for (var i=0; i<=totalImg; i++){
			var loadPic = myPicz[i];
			picFile = 'module/photo/pictures/'+loadPic;
			preImg = new Image();
			preImg.src = picFile;
		}
	}

	preloadImg();

	function showPicz(){
		if (startPicz > myPicz.length-1){ startPicz = 0; }
		if (startPicz < 0){ startPicz = myPicz.length-1; }
		var newpic = myPicz[startPicz];
		var newtxt = myText[startPicz];
		var newname = myNames[startPicz];
		picFile = 'module/photo/pictures/'+newpic;
		preImg = new Image();
		preImg.src = picFile;
		var picX = preImg.width;
		var picY = preImg.height;
		if (picX > 500){
			picY = (picY / picX) * 500;
			picX = 500;
		}
		if (picY > 500){
			picX = (picX / picY) * 500;
			picY = 500;
		}
		picX = Math.floor(picX);
		picY = Math.floor(picY);
		document.photo.showpicz.width = picX
		document.photo.showpicz.height = picY;
		document.photo.showpicz.src = picFile;
		document.getElementsByTagName('h3').item(1).innerHTML = newname;
		document.getElementsByTagName('p').item(0).innerHTML = newtxt;
	}

	function nextPicz(){
		startPicz++;
		showPicz();
	}

	function prevPicz(){
		startPicz--;
		showPicz();
	}

	function playPicz(){
		document.photo.previous.disabled = true;
		document.photo.play.disabled = true;
		document.photo.stop.disabled = false;
		document.photo.next.disabled = true;
		nextPicz();
		timer = setTimeout(playPicz, maxTijd);
	}

	function stopPicz(){
		document.photo.previous.disabled = false;
		document.photo.play.disabled = false;
		document.photo.stop.disabled = true;
		document.photo.next.disabled = false;
		clearTimeout(timer);
	}