// Parameters
var speed_delay = 6000; // adjust delay length here, in miliseconds
var slide_speed = 1000; // adjust fade duration here, in miliseconds

// Don't change anything below this point!
var autoslide = true;
var slideOuter = "slide-wrapper";
var slideLoading = "slide-loading";
var slideClass = "slide";
var naviClass = "navi";
var activeSuffix = "-active";

// Effect handle
var isShowing = 0;
var slides;
var navis;
var fx1 = new Array();
var firstDelay = false;
var pauseFlag = false;
var timer;
var playButton;

function initFrontpageSlideshow() {
displayloading = document.getElementById(slideLoading);
if (displayloading) displayloading.style.display = "none";
else return;
displayslide = document.getElementById(slideOuter);
if (displayslide) displayslide.style.display = "block";

if (readCookie("com_jw_fpss") == "true") autoslide = true;
else if (readCookie("com_jw_fpss") == "false") autoslide = false;	
playButton = document.getElementById('playButton');
if (autoslide) { showPauseButton(); }
else { showPlayButton(); }

slides = document.getElementsByClassName(slideClass);
navis = document.getElementsByClassName(naviClass);

if (slides.length == 0 || navis.length == 0) return;

for (i = 0; i < slides.length; ++i) {
fx1[i] = new fx.Combo(slides[i], { opacity: true, width: false, duration: slide_speed, height: false, toggle: false });
navis[i].onclick = function() {
current = null;
for (j = 0; j < navis.length; ++j) {
if (this == navis[j]) current = j;
}
if (current != isShowing) {
fx1[isShowing].clearTimer();
if (fx1[isShowing].el.offsetHeight) fx1[isShowing].hide();
fx1[current].toggle();
navis[isShowing].className = naviClass;
navis[current].className = naviClass + activeSuffix;
isShowing = current;
clearSlide();
}

return false;
}
if (i != 0) {
fx1[i].hide();
} else {
navis[i].className = naviClass + activeSuffix;
}
}
}

function showPauseButton() {
createCookie("com_jw_fpss", "true");
playButton.innerHTML = ""; // change "Pause" label here
playButton.title = ""; // change "Pause" label here
pauseFlag = false;
autoSlide();
}

function showPlayButton() {
createCookie("com_jw_fpss", "");
playButton.innerHTML = ""; // change "Play" label here
playButton.title = ""; // change "Play" label here
pauseFlag = true;
clearTimeout(timer);
firstDelay = false;
}

function showNext() {
if (slides.length <= 1) return;
fx1[isShowing].clearTimer();
if (fx1[isShowing].el.offsetHeight) fx1[isShowing].hide();
navis[isShowing].className = naviClass;
if (isShowing == slides.length - 1) {
fx1[0].toggle();
isShowing = 0;
} else {
fx1[++isShowing].toggle();
}
navis[isShowing].className = naviClass + activeSuffix;
}

function showPrev() {
if (slides.length <= 1) return;
fx1[isShowing].clearTimer();
if (fx1[isShowing].el.offsetHeight) fx1[isShowing].hide();
navis[isShowing].className = naviClass;
if (isShowing == 0) {
fx1[slides.length - 1].toggle();
isShowing = slides.length - 1;
} else {
fx1[--isShowing].toggle();
}
navis[isShowing].className = naviClass + activeSuffix;
}

function autoSlide() {
if (!pauseFlag) {
timer = setTimeout('autoSlide()', speed_delay);
if (!firstDelay) firstDelay = true;
else showNext();
}
}

function clearSlide() {
if (!pauseFlag) {
clearTimeout(timer);
firstDelay = false;
autoSlide();
}
}

function playButtonClicked() {
if (pauseFlag) showPauseButton();
else showPlayButton();
}

// Cookie handle
function createCookie(name,value,days) {
if (days) {
var date = new Date();
date.setTime(date.getTime()+(days*24*60*60*1000));
var expires = "; expires="+date.toGMTString();
}
else expires = "";
document.cookie = name+"="+value+expires+"; path=/";
}
function readCookie(name) {
var nameEQ = name + "=";
var ca = document.cookie.split(';');
for(var i=0;i < ca.length;i++) {
var c = ca[i];
while (c.charAt(0)==' ') c = c.substring(1,c.length);
if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
}
return null;
}

// Load everything up
function fpssinit() {
if (arguments.callee.done) return;
arguments.callee.done = true;
if (_timer) clearInterval(_timer);
initFrontpageSlideshow();
};
if (document.addEventListener) {
document.addEventListener("DOMContentLoaded", fpssinit, false);
}
/*@cc_on @*/
/*@if (@_win32)
document.write("<script id=__ie_onload_fpss defer src=javascript:void(0)><\/script>");
var scriptFPSS = document.getElementById("__ie_onload_fpss");
scriptFPSS.onreadystatechange = function() {
if (this.readyState == "complete") {
fpssinit();
}
};
/*@end @*/
if (/WebKit/i.test(navigator.userAgent)) {
var _timer = setInterval(function() {
if (/loaded|complete/.test(document.readyState)) {
fpssinit();
}
}, 10);
}
window.onload = fpssinit;

// end