/*
* Cache van javascripts.script.js
* Created: 2010-11-18 10:49:38
*/

/*
$Author: sjors $
$LastChangedDate: 2006-10-19 14:05:31 +0200 (do, 19 okt 2006) $
$Id: javascripts.js 28 2006-10-19 12:05:31Z sjors $
$Rev: 28 $
*/

var google = 'UA-12020286-1';
if (google) {
	var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");
	document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));
}

window.addEvent('domready',function() {

	$$('body').addClass('js');

	$$('.imgfader li').setStyle('opacity', 0);
});

window.addEvent('load',function() {

	if (google && _gat) {
		var pageTracker = _gat._getTracker(google);
		pageTracker._initData();
		pageTracker._trackPageview();
	}

		document.addEvent('click', function(e) {
  	var el = $(e.target)
  	if (el.tagName.toLowerCase() != 'a') {
  		el = el.getParent('a');
  	}
  	var newwin = false;

		if (el && el.get('href')) {
			newwin = newwin || el.hasClass('newwindow');
			newwin = newwin || el.hasClass('externlink');

			/*if (el.get('href').substring(0, 7) == 'http://' || el.get('href').substring(0, 8) == 'https://') {
				newwin = newwin || el.get('href').indexOf('http://www.globio.info');
			}*/

			var downloadsurl = '/downloads/';
			newwin = newwin || el.get('href').substring(0, downloadsurl.length) == downloadsurl;
		}
		if (newwin) {
			e.stop();
			window.open(el.href, '_blank');
		}
	});

	$$('.expandinglist').each(function(list) {
		var defopen = -1;

		list.getElements('a.toggler').each(function(a, i) {
			if (defopen == i) {
				a.getParent('li').addClass('open');
			}

			a.addEvent('click', function(e) {
				e.stop();
				if (a.getParent('li').hasClass('open')) {
					list.getElements('li.open').removeClass('open');
				} else {
					list.getElements('li.open').removeClass('open');
					a.getParent('li').addClass('open');
				}
			});

			if (defopen == -1 && document.location.href.substr(document.location.href.indexOf('#')) == a.get('href').substr(a.get('href').indexOf('#'))) {
				defopen = i;
				a.getParent('li').addClass('open');
			}
		});

		new Accordion(list.getElements('a.toggler'), list.getElements('div.details'), {
			'display': defopen,
			'show': defopen,
			'alwaysHide': true
		});
	});

	$$('ul#footermenu').each(function(list) {
		list.getElements('li').each(function(el, i) {
			new Element('li').set('html', '|').inject(el, 'after');
		});
	});

	$$('div.submenu ul ul').each(function(list) {
		list.getParent('li').addClass('hassub');
	});

	new imageZoom($$('img.zoom'));

	if ($('breadcrumb')) {
		var split = '....';
		var width = $('breadcrumb').getSize().x;
		$('breadcrumb').setStyle('width', 'auto');
		(function() {
			while (width < $('breadcrumb').getSize().x) {
				// Get biggest element
				var biggestel = null;
				var biggestwidth = 0;
				$$('#breadcrumb li').each(function(el) {
					if (el.getSize().x > biggestwidth) {
						biggestel = el;
						biggestwidth = el.getSize().x;
					}
				});
				var atxt = biggestel.getElement('a').get('text');
				atxt = atxt.replace(split, '');
				var length = (atxt.length / 2);
				atxt = atxt.substring(0, length - split.length) + split + atxt.substring(length + split.length);
				biggestel.getElement('a').set('html', atxt);
			}
		}).delay(100);
	}

	new imageFader($$('.imgfader li'), {duration: 1500, interval: 7500});

	new pngSupport().replace();

	new tooltip($$('abbr', 'acronym', 'cite'));
	
});

var tooltip = new Class({

	Implements: [Options],

	options: {
		elid: 'tooltip',
		maxWidth: 200
	},

	initialize: function(elements, options) {
		this.setOptions(options);
		this.elements = elements;

		this.tooltip = new Element('div', {
			'id': this.options.elid,
			'styles': {
				'position': 'absolute',
				'z-index': 9999,
				'left': -500,
				'top': 0
			}
		}).inject(document.body);

		this.elements.addEvents({
			'mouseenter': this.mouseenter.bindWithEvent(this),
			'mouseleave': this.mouseleave.bindWithEvent(this),
			'mouseover':  this.mouseover.bindWithEvent(this)
		});
	},

	mouseenter: function(e) {
		this.tooltip.set('html', $(e.target).get('title'));
		$(e.target).set('title', '');

		this.tooltip.setStyle('width', 'auto');
		if (this.tooltip.getSize().x > this.options.maxWidth) {
			this.tooltip.setStyle('width', this.options.maxWidth);
		}

		this.mouseover(e);
	},

	mouseleave: function(e) {
		this.tooltip.setStyle('left', -500);
		$(e.target).set('title', this.tooltip.get('html'));
	},

	mouseover: function(e) {
		var size = this.tooltip.getSize();
		var pos = {x: e.page.x + 5, y: e.page.y + 5};
		if (pos.y + size.y > window.getScrollSize().y) {
			pos.y -= size.y + 10;
		}
		if (pos.x + size.x > window.getScrollSize().x) {
			pos.x -= size.x + 10;
		}

		this.tooltip.setStyles({
			'top': pos.y,
			'left': pos.x
		});
	}
});

var mouseOvers = new Class({
	initialize: function(elements) {
		elements = elements || $$('img.mouseover');
		elements.each(function(image) {
			if (image.hasClass('specialmo')) {
				image.set('src_mouseover', image.get('class').replace(/.*mouseover=/, ''));
				image.set('src_mouseout',  image.get('src'));
				image.addEvent('mouseenter', this.mouseover);
				image.addEvent('mouseleave', this.mouseout);
				new Asset.image(image.get('src_mouseover'));
			} else {
				var xsrc = image.src;
				if (xsrc.substring(xsrc.length-7, xsrc.length-3) == '_up.')	{
					image.set('src_mouseover', image.get('src').replace(/_up\.([a-z]{3})/, '_ov.$1'));
					image.set('src_mouseout',  image.get('src'));

					image.addEvent('mouseenter', this.mouseover);
					image.addEvent('mouseleave', this.mouseout);

					// Preload
					new Asset.image(image.get('src_mouseover'));
				}
			}
		}, this);
	},
	mouseover: function() {
		this.set('src', this.get('src_mouseover'));
	},
	mouseout: function()	{
		this.set('src', this.get('src_mouseout'));
	}
});

var pngSupport = new Class({

	Implements: [Options],

	options: {
		transparentImage: '/images/pnghack/transparent.gif'
	},

	initialize: function(options) {
		this.setOptions(options);
		this.needed = Browser.Engine.trident4 && Browser.Platform.win;
	},

	replace: function(parentel) {
		if (!this.needed) return;
		if (!parentel) parentel = document;

		parentel.getElements('img').each(function(img) {
			if (img.src.indexOf(this.options.transparentImage) == -1 && img.src.indexOf("png") >= 0) {
				var oldsrc = img.get('src');
				var size = img.getSize();
				img.set('src', this.options.transparentImage);
				img.set('width', size.x);
				img.set('height', size.y);
				img.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + oldsrc + "',sizingMethod='scale')";
			}
		}, this);
	}
});

var imageFader = new Class({

	Extends: Fx.Elements,

	options: {
		auto: true,
		interval: 10000
	},

	initialize: function(elements, options) {
		this.elements = elements;
		this.setOptions(options);

		var parent;
		if (this.elements[0]) {
			parent = this.elements[0].getParent('ul');
			var size = parent.getSize();
			this.elements.each(function(el) {
				var elsize = el.getElement('img').getSize();
				el.setStyles({
					'opacity': 0,
					'position': 'absolute',
					'left': (size.x - elsize.x) / 2 - 1,
					'top': (size.y - elsize.y) / 2 - 1
				});
			});
			this.elements[0].setStyle('opacity', 1);
			if (parent.getStyle('position') != 'absolute' && parent.getStyle('position') != 'relative') {
				parent.getParent('ul').setStyle('position', 'relative');
			}
		}

		this.curel = 0;
		if (this.options.auto) {
			this.auto.periodical(this.options.interval, this);
			this.auto.delay(1000, this);
		}
	},

	auto: function() {
		if (!this.elements[this.curel]) {
			this.curel = 0;
		}
		this.display(this.curel);

		this.curel += 1;
	},

	display: function(idx) {
		var obj = {};
		this.elements.each(function(el, i) {
			if (el.getStyle('opacity') != 0 && i != idx) {
				obj[i] = {'opacity': 0};
				el.setStyle('z-index', 1);
			} else if (i == idx) {
				obj[i] = {'opacity': 1};
				el.setStyle('z-index', 2);
			}
		});
		return this.start(obj);
	}
});

var overlayBg = new Class({

	Implements: [Options],

	options: {
		'id': 'bodyoverlay',
		'opacity': 0.8
	},

	initialize: function(options) {

		var windowscroll = window.getScrollSize();
		this.setOptions(options);

		if (!$(this.options.id)) {
			new Element('div', {
				'id': this.options.id,
				'styles': {
					'opacity': 0,
					'width': windowscroll.x+'px',
					'height': windowscroll.y+'px'
				}
			})
				.injectInside(document.body);
		}

		this.fx = new Fx.Tween($(this.options.id), {duration: 1000});
		//$(this.options.id).addEvent('click', this.hide.bindWithEvent(this));
	},

	show: function() {
		var windowscroll = window.getScrollSize();
		$(this.options.id).setStyles({
			'width': windowscroll.x+'px',
			'height': windowscroll.y+'px'
		});
		this.fx.start('opacity', this.options.opacity);
	},

	hide: function() {
		this.fx.start('opacity', 0);
	}
});

var imageZoom = new Class({

	Implements: [Options],

	options: {
		zoomdiv: 'zoomdiv',
		padding: [15, 10, 5, 10],
		textheight: [15, 15]
	},

	initialize: function(images, options) {
		this.elements = images;
		if (this.elements.length == 0 || !$(this.options.zoomdiv)) {
			return;
		}
		this.setOptions(options);

		this.elements.each(function(thumb, i) {
			var a = thumb.getParent('a');
			a.addEvent('click', this.showImage.bindWithEvent(this, i));

			var pos = thumb.getPosition();
			var offsetx = Browser.Engine.trident4 && Browser.Platform.win ? 30 : -26;
			new Element('img', {
				'src': '/images/zoom.png',
				'width': '21',
				'height': '18',
				'styles': {
					'position': 'absolute',
					'top': pos.y + 5,
					'left': pos.x + thumb.getSize().x + offsetx,
					'z-index': 5
				}
			}).inject(document.body);
		}, this);

		var windowsize = window.getSize();
		var windowscroll = window.getScroll();

		this.overlay = new overlayBg();

		$(this.options.zoomdiv)
			.setStyles({
				'display': 'block',
				'top': windowscroll.y + (windowsize.y / 2),
				'left': windowscroll.x + (windowsize.x / 2)
			})
			.store('fx',  new Fx.Morph($(this.options.zoomdiv), {duration: 1000, wait: false}))
			.store('fx2', new Fx.Morph($(this.options.zoomdiv), {duration: 1000, wait: false}));

		var me = this;
		$(this.options.zoomdiv).getElement('.close').addEvent('click', function(e) {
			e.stop();
			$(me.options.zoomdiv).retrieve('fx2').start({
				'top': [$(me.options.zoomdiv).getTop(), windowscroll.y + (windowsize.y / 2)],
 				'height': [me.previmgsize.y+'px', 0]
			});
			$(me.options.zoomdiv).retrieve('fx').start.delay(600, $(me.options.zoomdiv).retrieve('fx'), {
				'width': [me.previmgsize.x+'px', 0],
		 		'padding': 0,
		 		'left': [$(me.options.zoomdiv).getLeft(), windowscroll.x + (windowsize.x / 2)]
			});
			me.previmgsize = {x: 0, y: 0};
			me.overlay.hide.delay(1200, me.overlay);
			$(me.options.zoomdiv+'_img').getElement('img').dispose.delay(1200, $(me.options.zoomdiv+'_img').getElement('img'));
			$(me.options.zoomdiv).getElement('.close')   .setStyle('visibility', 'hidden');
			$(me.options.zoomdiv).getElement('.next')    .setStyle('visibility', 'hidden');
			$(me.options.zoomdiv).getElement('.previous').setStyle('visibility', 'hidden');
		});
		$(this.options.zoomdiv).getElement('.next').addEvent('click', function(e) {
			e.stop();
			if (me.elements[me.curimg+1]) {
				me.showImage(e, me.curimg+1);
			}
		});
		$(this.options.zoomdiv).getElement('.previous').addEvent('click', function(e) {
			e.stop();
			if (me.elements[me.curimg-1]) {
				me.showImage(e, me.curimg-1);
			}
		});
	},

	showImage: function(e, idx) {
		if (e && e.target) e.stop();

		var windowsize = window.getSize();
		var windowscroll = window.getScroll();

		this.overlay.show();

		if (!this.previmgsize) {
			this.previmgsize = {x: 0, y: 0};
		}

		var removeimg = $(this.options.zoomdiv+'_img').getElement('img');
		if (removeimg) {
			removeimg.setStyle('z-index', 2);
		}

		this.curimg = idx;

		var me = this;
		var images = new Asset.images([this.elements[idx].getParent('a').getProperty('href')], {onComplete: function() {
			var image = images[0];
			image.setStyles({
				'opacity': 0,
				'z-index': 3
			});
			image.injectInside($(me.options.zoomdiv+'_img'));
			new Fx.Tween(image, {onComplete: function(){if(removeimg) {removeimg.dispose()}}}).start('opacity', 1);
			var imgsize = image.getSize();
			imgsize = {x: imgsize.x, y: imgsize.y+me.options.textheight[0]+me.options.textheight[1]};

			var paddingtb = me.options.padding[0] + me.options.padding[2];
			var paddinglr = me.options.padding[1] + me.options.padding[3];

			$(me.options.zoomdiv).getElement('.close').setStyle('visibility',    'visible');
			$(me.options.zoomdiv).getElement('.next').setStyle('visibility',     me.elements[idx+1]?'visible':'hidden');
			$(me.options.zoomdiv).getElement('.previous').setStyle('visibility', me.elements[idx-1]?'visible':'hidden');
			$(me.options.zoomdiv).getElement('.info').set('html', me.elements[idx].get('alt'));

			var newtop  = windowscroll.y + (windowsize.y - imgsize.y - paddingtb - me.options.textheight[0] - me.options.textheight[1]) / 2;
			var newleft = windowscroll.x + (windowsize.x - imgsize.x - paddinglr) / 2;
			if (newtop  < 0) newtop  = 0;
			if (newleft < 0) newleft = 0;

			$(me.options.zoomdiv).retrieve('fx').start({
				'left': [$(me.options.zoomdiv).getLeft(), newleft],
				'width': [me.previmgsize.x+'px', imgsize.x+'px'],
				'padding-top': [$(me.options.zoomdiv).getStyle('padding-top').toInt(), me.options.padding[0]],
				'padding-right': [$(me.options.zoomdiv).getStyle('padding-right').toInt(), me.options.padding[1]],
				'padding-bottom': [$(me.options.zoomdiv).getStyle('padding-bottom').toInt(), me.options.padding[2]],
				'padding-left': [$(me.options.zoomdiv).getStyle('padding-left').toInt(), me.options.padding[3]]
			});
			$(me.options.zoomdiv).retrieve('fx2').start.delay(800, $(me.options.zoomdiv).retrieve('fx2'), {
				'top': [$(me.options.zoomdiv).getTop(), newtop],
				'height': [me.previmgsize.y+'px', imgsize.y+'px']
			});
			me.previmgsize = imgsize;
		}});
	}
});