//Initialize
var galleryObject;
var pause = 0;
var listener;

function startGallery() {
	galleryObject = new gallery($('myGallery'), {
		timed: true,
		showCarousel: false
	});
}
window.addEvent('domready', startGallery);
window.onload = init;

function init(){
	listener = document.getElementById('myGallery').getElementsByTagName('a')[0];
	listener.onclick = togglePause;
	listener.onmouseout = toggleIconOut;
	listener.onmouseover= toggleIcon;
}


//Custom functions
function showCat() {
	galleryObject.clearTimer();
	cat = new ajaxObject('catalogue.php', 'catalogue');
	cat.update();
	moveOffPage('hider');
	moveOffPage('requestTrial');
	moveBack('catalogue');
	show('catalogue');
	hide('requestTrial');
}
function showSlideShow() {
	galleryObject.prepareTimer();
	moveBack('hider');
	show('showCat');
	hide('catalogue');
	hide('requestTrial');
	moveOffPage('requestTrial');
	moveOffPage('catalogue');
	document.getElementById('hider').style.position = "relative";
	document.getElementById('hider').style.top = "auto";
	if (ie){
		document.getElementById('hider').style.position = "absolute";
		document.getElementById('hider').style.left = "-2px";
	}
}
function showRequestTrial() {
	galleryObject.clearTimer();
	moveOffPage('catalogue');
	moveOffPage('hider');
	show('requestTrial');
	moveBack('requestTrial');
}
function show(el){
	document.getElementById(el).style.visibility = "visible";
}
function hide(el){
	document.getElementById(el).style.visibility = "hidden";
}
function moveOffPage(el) {
	document.getElementById(el).style.position = "absolute";
	document.getElementById(el).style.top = "-9000px";
}
function moveBack(el) {
	document.getElementById(el).style.position = "relative";
	document.getElementById(el).style.top = "auto";
}
function togglePause(event) {
	if (!pause){
		galleryObject.clearTimer();
		pause = 1;
		document.getElementById('myGallery').getElementsByTagName('a')[0].style.background = "url(/memso/images/play.png) no-repeat center center";
		document.getElementById('myGallery').getElementsByTagName('a')[0].title = "Click to start";
	} else {
		galleryObject.nextItem();
		pause = 0;
		document.getElementById('myGallery').getElementsByTagName('a')[0].style.background = "url(/memso/images/pause.png) no-repeat center center";
		document.getElementById('myGallery').getElementsByTagName('a')[0].title = "Click to pause";
	}
}
function toggleIcon(){
	if (pause == 1){
		document.getElementById('myGallery').getElementsByTagName('a')[0].style.background = "url(/memso/images/play.png) no-repeat center center";
	}else{
		document.getElementById('myGallery').getElementsByTagName('a')[0].style.background = "url(/memso/images/pause.png) no-repeat center center";
	}
}
function toggleIconOut(){
	document.getElementById('myGallery').getElementsByTagName('a')[0].style.background = "";
}
function textOnly(){
	plain = new ajaxObject('plaintext.php', 'catalogue');
	plain.update();
	moveOffPage('hider');
	moveOffPage('requestTrial');
	moveBack('catalogue');
	show('catalogue');
	hide('requestTrial');
}