//
//  D'inici, carreguem la funció start_accordion
// 
Event.observe(window, 'load', start_accordion, false);

images = new Array("2.jpg","3.jpg","1.jpg");
var imgnum = 0;
var imglength = images.length - 1;

//time delay between slides in milliseconds
var delay = 2200;
var ishover = false;
var isfirst = true;
var run;

function start_slideshow(img_id, url) {
	if (ishover == false) {
		ishover = true;
		if (isfirst == true) {
			run = setInterval("chgimg('"+img_id+"','"+url+"')", 1100);
		} else {
			run = setInterval("chgimg('"+img_id+"','"+url+"')", delay);
		}
	}
}

function stop_slideshow(img_id, basethumb) {
	if (ishover == true) {
		ishover = false;
		window.clearInterval(run);
		imgnum = 0;
		if (img_id && basethumb) { // if to del
		new Effect.Opacity(img_id, {duration:1.5, from:0.5, to:1.0});
		$(img_id).src = basethumb + images[imgnum];
		}
		isfirst = true;
	}
}

function chgimg(img_id, basethumb) {
	if (document.images) {
		imgnum = imgnum + 1;
		if (imgnum > imglength) {
			imgnum = 0;
		}

		new Effect.Opacity(img_id, {duration:1.0, from:0.4, to:1.0});
		$(img_id).src = basethumb + images[imgnum];
	}
	if (isfirst == true) {
		window.clearInterval(run);
		isfirst = false;
		run = setInterval("chgimg('"+img_id+"','"+basethumb+"')", delay);
	}
}

		
function start_accordion() {
	var temAcc = new accordion('tematiques-accordion',{
	//				classNames : {
	//					toggle : 'horizontal_accordion_toggle',
	//					toggleActive : 'horizontal_accordion_toggle_active',
	//					content : 'horizontal_accordion_content'
	//				},
					defaultSize : {
						height : 150,
						width : 525
					},
					direction : 'vertical'
				});
	
	// Obrir la primera slide
	//temAcc.activate($$('#tematiques-accordion .accordion_toggle')[0]);
	
	// Mostrem 170px (primera linea) de cada slide, per defecte
	var verticalAccordions = $$('.accordion_toggle');
	verticalAccordions.each(function(accordion) {
	    $(accordion.next(0)).setStyle({
	        height: '170px',
	        display: 'block'	
	    });
	});
}