// JavaScript Document

var beelden_folder = '/images/backgrounds/voorjaar2012/';
var beelden_aantal = 4;
var beelden_delay = 10; // seconds

var ActiveSlide;


$(document).ready(function () {
	var CurrentDate= new Date();
	var CurrentTime = CurrentDate.getSeconds();
	ActiveSlide = Math.round(CurrentTime / beelden_delay) % beelden_aantal;
	apply_image();
	delayImg();
})

function delayImg() {
	timeoutID = window.setTimeout(changeBG, beelden_delay * 1000);
}

function changeBG () {
	// current image
	ActiveSlide = (ActiveSlide + 1) % beelden_aantal;
	apply_image();
	delayImg();
}

function apply_image() {
	$('#bg').attr('src', beelden_folder + ActiveSlide + '.jpg');
}