var Class = { create: function() { return function() { this.initialize.apply(this, arguments);}
}
}
Object.extend = function(destination, source) { for (property in source) { destination[property] = source[property];}
return destination;}
Function.prototype.bind = function(object) { var __method = this; return function() { return __method.apply(object, arguments);}
}
function $() { var elements = new Array(); for (var i = 0; i < arguments.length; i++) { var element = arguments[i]; if (typeof element == 'string')
element = document.getElementById(element); if (arguments.length == 1)
return element; elements.push(element);}
return elements;}
document.getElementsByClassName = function(className) { var children = document.getElementsByTagName('*') || document.all; var elements = new Array(); for (var i = 0; i < children.length; i++) { var child = children[i]; var classNames = child.className.split(' '); for (var j = 0; j < classNames.length; j++) { if (classNames[j] == className) { elements.push(child); break;}
}
}
return elements;}
if (!window.Element) { var Element = new Object();}
Object.extend(Element, { remove: function(element) { element = $(element); element.parentNode.removeChild(element);}, hasClassName: function(element, className) { element = $(element); if (!element)
return; var a = element.className.split(' '); for (var i = 0; i < a.length; i++) { if (a[i] == className)
return true;}
return false;}, addClassName: function(element, className) { element = $(element); Element.removeClassName(element, className); element.className += ' ' + className;}, removeClassName: function(element, className) { element = $(element); if (!element)
return; var newClassName = ''; var a = element.className.split(' '); for (var i = 0; i < a.length; i++) { if (a[i] != className) { if (i > 0)
newClassName += ' '; newClassName += a[i];}
}
element.className = newClassName;}, cleanWhitespace: function(element) { element = $(element); for (var i = 0; i < element.childNodes.length; i++) { var node = element.childNodes[i]; if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
Element.remove(node);}
}
}); var fx = new Object(); fx.Base = function(){}; fx.Base.prototype = { setOptions: function(options) { this.options = { duration: 500, onComplete: ''
}
Object.extend(this.options, options || {});}, go: function() { this.duration = this.options.duration; this.startTime = (new Date).getTime(); this.timer = setInterval (this.step.bind(this), 13);}, step: function() { var time = (new Date).getTime(); var Tpos = (time - this.startTime) / (this.duration); if (time >= this.duration+this.startTime) { this.now = this.to; clearInterval (this.timer); this.timer = null; if (this.options.onComplete) setTimeout(this.options.onComplete.bind(this), 10);}
else { this.now = ((-Math.cos(Tpos*Math.PI)/2) + 0.5) * (this.to-this.from) + this.from;}
this.increase();}, custom: function(from, to) { if (this.timer != null) return; this.from = from; this.to = to; this.go();}, hide: function() { this.now = 0; this.increase();}, clearTimer: function() { clearInterval(this.timer); this.timer = null;}
}
fx.Layout = Class.create(); fx.Layout.prototype = Object.extend(new fx.Base(), { initialize: function(el, options) { this.el = $(el); this.el.style.overflow = "hidden"; this.el.iniWidth = this.el.offsetWidth; this.el.iniHeight = this.el.offsetHeight; this.setOptions(options);}
}); fx.Height = Class.create(); Object.extend(Object.extend(fx.Height.prototype, fx.Layout.prototype), { increase: function() { this.el.style.height = this.now + "px";}, toggle: function() { if (this.el.offsetHeight > 0) this.custom(this.el.offsetHeight, 0); else this.custom(0, this.el.scrollHeight);}
}); fx.Width = Class.create(); Object.extend(Object.extend(fx.Width.prototype, fx.Layout.prototype), { increase: function() { this.el.style.width = this.now + "px";}, toggle: function(){ if (this.el.offsetWidth > 0) this.custom(this.el.offsetWidth, 0); else this.custom(0, this.el.iniWidth);}
}); fx.Opacity = Class.create(); fx.Opacity.prototype = Object.extend(new fx.Base(), { initialize: function(el, options) { this.el = $(el); this.now = 1; this.increase(); this.setOptions(options);}, increase: function() { if (this.now == 1) this.now = 0.9999; if (this.now > 0 && this.el.style.visibility == "hidden") this.el.style.visibility = "visible"; if (this.now == 0) this.el.style.visibility = "hidden"; if (window.ActiveXObject) this.el.style.filter = "alpha(opacity=" + this.now*100 + ")"; this.el.style.opacity = this.now;}, toggle: function() { if (this.now > 0) this.custom(1, 0); else this.custom(0, 1);}
}); var loadingImage = '/css/img/lightbox/lightbox-loading.gif'; var closeButton = '/css/img/lightbox/lightbox-close.gif'; function getPageScroll(){ var yScroll; if (self.pageYOffset) { yScroll = self.pageYOffset;} else if (document.documentElement && document.documentElement.scrollTop){ yScroll = document.documentElement.scrollTop;} else if (document.body) { yScroll = document.body.scrollTop;}
arrayPageScroll = new Array('',yScroll)
return arrayPageScroll;}
function getPageSize(){ var xScroll, yScroll; if (window.innerHeight && window.scrollMaxY) { xScroll = document.body.scrollWidth; yScroll = window.innerHeight + window.scrollMaxY;} else if (document.body.scrollHeight > document.body.offsetHeight){ xScroll = document.body.scrollWidth; yScroll = document.body.scrollHeight;} else { xScroll = document.body.offsetWidth; yScroll = document.body.offsetHeight;}
var windowWidth, windowHeight; if (self.innerHeight) { windowWidth = self.innerWidth; windowHeight = self.innerHeight;} else if (document.documentElement && document.documentElement.clientHeight) { windowWidth = document.documentElement.clientWidth; windowHeight = document.documentElement.clientHeight;} else if (document.body) { windowWidth = document.body.clientWidth; windowHeight = document.body.clientHeight;}
if(yScroll < windowHeight){ pageHeight = windowHeight;} else { pageHeight = yScroll;}
if(xScroll < windowWidth){ pageWidth = windowWidth;} else { pageWidth = xScroll;}
arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight)
return arrayPageSize;}
function pause(numberMillis) { var now = new Date(); var exitTime = now.getTime() + numberMillis; while (true) { now = new Date(); if (now.getTime() > exitTime)
return;}
}
function showLightbox(objLink)
{ var objOverlay = document.getElementById('overlay'); var objLightbox = document.getElementById('lightbox'); var objCaption = document.getElementById('lightboxCaption'); var objImage = document.getElementById('lightboxImage'); var objLoadingImage = document.getElementById('loadingImage'); var arrayPageSize = getPageSize(); var arrayPageScroll = getPageScroll(); if (objLoadingImage) { objLoadingImage.style.top = (arrayPageScroll[1] + ((arrayPageSize[3] - 35 - objLoadingImage.height) / 2) + 'px'); objLoadingImage.style.left = (((arrayPageSize[0] - 40 - objLoadingImage.width) / 2) + 'px');}
objOverlay.style.height = (arrayPageSize[1] + 'px'); objOverlay.anim.custom(0,.8); imgPreload = new Image(); imgPreload.onload=function(){ objImage.src = objLink.href; var lightboxTop = arrayPageScroll[1] + ((arrayPageSize[3] - 35 - imgPreload.height) / 2); var lightboxLeft = ((arrayPageSize[0] - 40 - imgPreload.width) / 2); objLightbox.style.top = (lightboxTop < 0) ? "0px" : lightboxTop + "px"; objLightbox.style.left = (lightboxLeft < 0) ? "0px" : lightboxLeft + "px"; if(objLink.getAttribute('title')){ objCaption.style.display = 'block'; objCaption.style.width = imgPreload.width + 'px'; objCaption.innerHTML = objLink.getAttribute('title');} else { objCaption.style.display = 'none';}
setTimeout(objLightbox.anim.toggle.bind(objLightbox.anim),500); return false;}
imgPreload.src = objLink.href;}
function hideLightbox()
{ objOverlay = document.getElementById('overlay'); objLightbox = document.getElementById('lightbox'); objOverlay.anim.custom(.8,0); setTimeout(objLightbox.anim.toggle.bind(objLightbox.anim),200);}
function initLightbox()
{ if (!document.getElementsByTagName){ return;}
var anchors = document.getElementsByTagName("a"); for (var i=0; i<anchors.length; i++){ var anchor = anchors[i]; if (anchor.getAttribute("href") && (anchor.getAttribute("rel") == "lightbox")){ anchor.onclick = function () {showLightbox(this); return false;}
}
}
var objBody = document.getElementsByTagName("body").item(0); var objOverlay = document.createElement("div"); objOverlay.setAttribute('id','overlay'); objOverlay.style.position = 'absolute'; objOverlay.style.top = '0'; objOverlay.style.left = '0'; objOverlay.style.zIndex = '90'; objOverlay.style.width = '100%'; objBody.appendChild(objOverlay); var arrayPageSize = getPageSize(); var arrayPageScroll = getPageScroll(); objOverlay.anim = new fx.Opacity(objOverlay, {duration: 400}); objOverlay.anim.hide(); var imgPreloader = new Image(); imgPreloader.onload=function(){ var objLoadingImageLink = document.createElement("a"); objLoadingImageLink.setAttribute('href','#'); objLoadingImageLink.onclick = function () {hideLightbox(); return false;}
objOverlay.appendChild(objLoadingImageLink); var objLoadingImage = document.createElement("img"); objLoadingImage.src = loadingImage; objLoadingImage.setAttribute('id','loadingImage'); objLoadingImage.style.position = 'absolute'; objLoadingImage.style.zIndex = '150'; objLoadingImageLink.appendChild(objLoadingImage); imgPreloader.onload=function(){}; return false;}
imgPreloader.src = loadingImage; var objLightbox = document.createElement("div"); objLightbox.setAttribute('id','lightbox'); objLightbox.style.position = 'absolute'; objLightbox.style.zIndex = '100'; objBody.appendChild(objLightbox); objLightbox.anim = new fx.Height(objLightbox, {duration: 400}); objLightbox.anim.hide(); var objLink = document.createElement("a"); objLink.setAttribute('href','#'); objLink.setAttribute('id','lightboxPhoto'); objLink.setAttribute('title','Zavřít'); objLink.onclick = function () {hideLightbox(); return false;}
objLightbox.appendChild(objLink); var imgPreloadCloseButton = new Image(); imgPreloadCloseButton.onload=function(){ var objCloseButton = document.createElement("img"); objCloseButton.src = closeButton; objCloseButton.setAttribute('id','closeButton'); objCloseButton.style.position = 'absolute'; objCloseButton.style.top = 0; objCloseButton.style.right = 0; objCloseButton.style.zIndex = '200'; objLink.appendChild(objCloseButton); return false;}
imgPreloadCloseButton.src = closeButton; var objImage = document.createElement("img"); objImage.setAttribute('id','lightboxImage'); objLink.appendChild(objImage); var objCaption = document.createElement("div"); objCaption.setAttribute('id','lightboxCaption'); objCaption.style.display = 'none'; objLightbox.appendChild(objCaption);}
function addLoadEvent(func)
{ var oldonload = window.onload; if (typeof window.onload != 'function'){ window.onload = func;} else { window.onload = function(){ oldonload(); func();}
}
}
if (!window.ActiveXObject) addLoadEvent(initLightbox);