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2
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Manuela
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/***
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* SimplBox - v1.0.0 - 2014.08.04
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* Author: (c) Dendrochronology - @Dendrochronolo - http://genert.laal.ee/
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* Available for use under the MIT License.
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***/
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;(function (window, document, undefined) {
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"use strict";
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var docElem = document.documentElement,
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bodyElem = document.getElementsByTagName("body")[0],
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FALSE = false,
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ATTACHEVENT = "attachEvent",
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ADDEVENTLISTENER = "addEventListener",
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isEventListener = ADDEVENTLISTENER in document;
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function SimplBox (p_Elements, p_Options) {
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var base = this;
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base.m_Elements = p_Elements;
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base.m_UserOptions = p_Options || {};
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base.m_Options = {};
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base.m_CurrentTargetElements = FALSE;
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base.m_CurrentTargetElementsLength = FALSE;
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base.m_CurrentTargetNumber = FALSE;
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base.m_CurrentImageElement = FALSE;
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base.m_InProgress = FALSE;
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base.m_InstalledImageBox = FALSE;
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base.m_Alt = FALSE;
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base.m_AnimateDone = FALSE; // For browsers that do not support hardware acceleration.
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var __construct = function () {
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for (var i in SimplBox.options) {
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if (base.m_UserOptions.hasOwnProperty(i)) {
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base.m_Options[i] = base.m_UserOptions[i];
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} else {
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base.m_Options[i] = SimplBox.options[i];
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}
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}
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}();
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}
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SimplBox.prototype = {
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init: function () {
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var base = this;
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// API start
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base.API_AddEvent = base.addEvent;
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base.API_RemoveImageElement = base.removeImageElement;
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// API end
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base.checkBrowser();
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base.addEvents();
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},
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checkBrowser: function () {
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var base = this,
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isTouch = "ontouchstart" in window || window.navigator.msMaxTouchPoints || navigator.maxTouchPoints || FALSE,
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hasPointers = isTouch && (window.navigator.pointerEnabled || window.navigator.msPointerEnabled);
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base.browser = {
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"isHardwareAccelerated": (base.getcss3prop("transition") !== "undefined" ? true : FALSE),
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"isTouch": isTouch,
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"hasPointers": hasPointers
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};
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},
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addEvents: function () {
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var base = this;
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// Add click events on base elements.
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for (var i = 0; i < base.m_Elements.length; i++) {
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(function (i) {
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base.addEvent(base.m_Elements[i], (base.browser.hasPointers ? "pointerup MSPointerUp" : "click"), function (event) {
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if (event.preventDefault) {
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event.preventDefault();
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event.stopPropagation();
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}
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if (window.event) {
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window.event.returnValue = FALSE;
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window.event.cancelBubble = FALSE;
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}
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if (base.isFunction(base.m_Options.onStart())) {
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base.m_Options.onStart(this);
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}
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base.m_CurrentTargetElements = base.m_Elements;
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base.m_CurrentTargetElementsLength = base.m_Elements.length;
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base.m_CurrentTargetNumber = i;
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base.openImage(base.m_Elements[base.m_CurrentTargetNumber]);
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});
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})(i);
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}
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base.addEvent(window, "resize", function () {
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base.calculateImagePositionAndSize(base.m_CurrentImageElement, true);
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});
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// Add keyboard support.
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base.leftAnimationFunction = function () {
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if (base.m_CurrentTargetNumber - 1 < 0) {
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base.openImage(base.m_CurrentTargetElements[base.m_CurrentTargetElementsLength - 1], "left");
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base.m_CurrentTargetNumber = base.m_CurrentTargetElementsLength - 1;
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} else {
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base.openImage(base.m_CurrentTargetElements[base.m_CurrentTargetNumber - 1], "left");
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base.m_CurrentTargetNumber = base.m_CurrentTargetNumber - 1;
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}
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};
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base.rightAnimationFunction = function () {
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if (base.m_CurrentTargetNumber + 1 > base.m_CurrentTargetElementsLength - 1) {
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base.openImage(base.m_CurrentTargetElements[0], "right");
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base.m_CurrentTargetNumber = 0;
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} else {
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base.openImage(base.m_CurrentTargetElements[base.m_CurrentTargetNumber+1], "right");
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base.m_CurrentTargetNumber = base.m_CurrentTargetNumber + 1;
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}
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};
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if (base.m_Options.enableKeyboard) {
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var keyBoard = {
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left: 37,
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right: 39,
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esc: 27
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};
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base.addEvent(window, "keydown", function (event) {
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if (!base.m_CurrentImageElement || base.m_InProgress) {
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return;
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}
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if (event.preventDefault) {
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event.preventDefault();
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event.stopPropagation();
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}
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if (window.event) {
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var event = window.event;
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window.event.returnValue = FALSE;
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window.event.cancelBubble = FALSE;
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}
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var keyCode = event.which || event.keyCode;
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switch (keyCode) {
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case keyBoard.esc: base.removeImageElement(); return FALSE;
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case keyBoard.right: base.rightAnimationFunction(); return FALSE;
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case keyBoard.left: base.leftAnimationFunction(); return FALSE;
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}
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});
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}
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if (base.m_Options.quitOnDocumentClick) {
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base.addEvent(isEventListener ? bodyElem : document, "click", function (event) {
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if (base.m_InProgress) {
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return FALSE;
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}
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if (event.preventDefault) {
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event.preventDefault();
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}
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if (window.event) {
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var event = window.event;
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}
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var target = event.target ? event.target : event.srcElement;
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if (target && target.id !== base.m_Options.imageElementId && base.m_InstalledImageBox && !base.m_InProgress) {
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base.removeImageElement();
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return FALSE;
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}
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});
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}
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},
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openImage: function (p_Source, p_Direction) {
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var base = this,
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documentFragment = document.createDocumentFragment(),
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imageElement = document.createElement("img"),
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imageElementControl = document.getElementById(base.m_Options.imageElementId);
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// If no 1 argument or 1 argument's tagname is not A, return.
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if (!p_Source || p_Source.tagName.toLowerCase() !== "a") {
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return;
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}
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if (imageElementControl) {
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bodyElem.removeChild(imageElementControl);
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base.m_CurrentImageElement = FALSE;
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base.m_InstalledImageBox = FALSE;
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}
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base.m_Alt = p_Source.firstChild.getAttribute("alt");
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base.m_InProgress = true;
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// Check if it funcion and return.
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if (base.isFunction(base.m_Options.onImageLoadStart())) {
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base.m_Options.onImageLoadStart();
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}
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// Set direction
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if (typeof p_Direction !== "undefined") {
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switch (p_Direction) {
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case "left": p_Direction = -1; break;
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case "right": p_Direction = 1; break;
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}
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}
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// Set attributes of new image element.
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imageElement.setAttribute("id", base.m_Options.imageElementId);
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imageElement.setAttribute("src", p_Source.getAttribute("href"));
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imageElement.setAttribute("alt", base.m_Alt);
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imageElement.setAttribute("style", "position: fixed; cursor: pointer; opacity: 0;") ;
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// Append to fragment and append fragment to body.
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documentFragment.appendChild(imageElement);
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bodyElem.appendChild(documentFragment);
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// Set current image element.
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base.m_CurrentImageElement = document.getElementById(base.m_Options.imageElementId);
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base.m_CurrentImageElement.style.filter = 'alpha(opacity=0)'; // IE 8 opacity
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if (base.browser.isHardwareAccelerated) {
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if (typeof p_Direction !== "undefined") {
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base.m_CurrentImageElement.style[base.getcss3prop("transform")] = "translateX(" + (p_Direction * base.m_Options.fadeInDistance) + "px)";
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}
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base.m_CurrentImageElement.style[base.getcss3prop("transition")] = "all " + base.m_Options.animationSpeed + "ms ease";
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}
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// Calculate image position and size and set them.
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base.calculateImagePositionAndSize(base.m_CurrentImageElement, FALSE, p_Direction);
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// Add event listener.
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if (base.m_Options.quitOnImageClick) {
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base.addEvent(base.m_CurrentImageElement, "click", function (event) {
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if (event.preventDefault) {
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event.preventDefault();
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}
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if (window.event) {
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window.event.returnValue = FALSE;
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}
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base.removeImageElement();
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});
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}
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// Touch events.
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if (base.browser.isTouch) { // This check fixes bug in IE 10 & 11 because these browsers have pointers for odd reason(s).
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var touchXStart = -1,
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touchXEnd = -1,
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swipeDifference = 0;
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base.addEvent(base.m_CurrentImageElement, "touchstart pointerdown MSPointerDown", function (event) {
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event.preventDefault();
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touchXStart = event.pageX || event.touches[0].pageX;
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});
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base.addEvent(base.m_CurrentImageElement, "touchmove pointermove MSPointerMove", function (event) {
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event.preventDefault();
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touchXEnd = event.pageX || event.touches[0].pageX;
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swipeDifference = touchXStart - touchXEnd;
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if (base.browser.isHardwareAccelerated) {
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base.m_CurrentImageElement.style[base.getcss3prop("transition")] = "none";
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base.m_CurrentImageElement.style[base.getcss3prop("transform")] = "translateX(" + -swipeDifference + "px)";
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}
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});
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base.addEvent(base.m_CurrentImageElement, "touchend pointerup pointercancel MSPointerUp MSPointerCancel", function (event) {
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event.preventDefault();
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if (Math.abs(swipeDifference) > 75) {
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if (swipeDifference < 0) {
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base.leftAnimationFunction();
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} else {
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base.rightAnimationFunction();
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}
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| 285 |
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} else {
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base.m_CurrentImageElement.style[base.getcss3prop("transform")] = "translateX(0px)";
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}
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});
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}
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},
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calculateImagePositionAndSize: function (p_Element, p_Resize) {
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var base = this,
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temporaryImageObject = new Image(),
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imageWidth = 0,
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imageHeight = 0,
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imageSizeRatio = 0;
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| 299 |
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// If no element provided, quit.
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| 300 |
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if (!p_Element) {
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return;
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}
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| 303 |
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| 304 |
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base.m_ImageSource = p_Element.getAttribute("src"); // Get element's source attribute for loading image.
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base.m_ScreenHeight = window.innerHeight || docElem.offsetHeight; // Get window height.
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| 306 |
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base.m_ScreenWidth = window.innerWidth || docElem.offsetWidth; // Get window width.
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| 307 |
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| 308 |
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temporaryImageObject.onload = function () {
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var thisImageWidth = this.width,
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thisImageHeight = this.height;
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imageWidth = thisImageWidth;
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imageHeight = thisImageHeight;
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imageSizeRatio = imageWidth / imageHeight;
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| 316 |
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// Height of image is too big to fit in viewport
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if (Math.floor(base.m_ScreenWidth / imageSizeRatio) > base.m_ScreenHeight) {
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imageWidth = base.m_ScreenHeight * imageSizeRatio * base.m_Options.imageSize;
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imageHeight = base.m_ScreenHeight * base.m_Options.imageSize;
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} else { // Width of image is too big to fit in viewport
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imageWidth = base.m_ScreenWidth * base.m_Options.imageSize;
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imageHeight = base.m_ScreenWidth / imageSizeRatio * base.m_Options.imageSize;
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}
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| 324 |
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| 325 |
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if (imageWidth > thisImageWidth) {
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imageWidth = thisImageWidth;
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}
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| 328 |
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| 329 |
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if (imageHeight > thisImageHeight) {
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imageHeight = thisImageHeight;
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| 331 |
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}
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| 332 |
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| 333 |
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// Set style attributes.
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p_Element.style.top = ((base.m_ScreenHeight - imageHeight) / 2) + "px";
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p_Element.style.left = ((base.m_ScreenWidth - imageWidth) / 2) + "px";
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| 336 |
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p_Element.style.width = Math.floor(imageWidth) + "px";
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| 337 |
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p_Element.style.height = Math.floor(imageHeight) + "px";
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| 338 |
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| 339 |
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if (!p_Resize) {
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| 340 |
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setTimeout(function () {
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| 341 |
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if (base.browser.isHardwareAccelerated) {
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|
|
p_Element.style.opacity = 1;
|
| 343 |
|
|
p_Element.style[base.getcss3prop("transform")] = "translateX(0px)";
|
| 344 |
|
|
} else {
|
| 345 |
|
|
var toOpacity = 1;
|
| 346 |
|
|
|
| 347 |
|
|
base.animate({
|
| 348 |
|
|
delay: 16,
|
| 349 |
|
|
duration: base.m_Options.animationSpeed,
|
| 350 |
|
|
delta: base.linear,
|
| 351 |
|
|
step: function (delta) {
|
| 352 |
|
|
p_Element.style.opacity = (toOpacity * delta);
|
| 353 |
|
|
p_Element.style.filter = "alpha(opacity=" + ((toOpacity * delta) * 100 ) + ")";
|
| 354 |
|
|
}
|
| 355 |
|
|
});
|
| 356 |
|
|
}
|
| 357 |
|
|
|
| 358 |
|
|
base.m_InProgress = FALSE;
|
| 359 |
|
|
base.m_InstalledImageBox = true;
|
| 360 |
|
|
|
| 361 |
|
|
if (base.isFunction(base.m_Options.onImageLoadEnd())) {
|
| 362 |
|
|
base.m_Options.onImageLoadEnd(p_Element);
|
| 363 |
|
|
}
|
| 364 |
|
|
}, 100);
|
| 365 |
|
|
}
|
| 366 |
|
|
};
|
| 367 |
|
|
|
| 368 |
|
|
// Must be last because otherwise onload function won't be load.
|
| 369 |
|
|
temporaryImageObject.src = base.m_ImageSource;
|
| 370 |
|
|
},
|
| 371 |
|
|
|
| 372 |
|
|
removeImageElement: function () {
|
| 373 |
|
|
var base = this;
|
| 374 |
|
|
|
| 375 |
|
|
if (!base.m_CurrentImageElement) {
|
| 376 |
|
|
return;
|
| 377 |
|
|
}
|
| 378 |
|
|
|
| 379 |
|
|
if (base.isFunction(base.m_Options.onEnd())) {
|
| 380 |
|
|
base.m_Options.onEnd();
|
| 381 |
|
|
}
|
| 382 |
|
|
|
| 383 |
|
|
if (base.m_InProgress) {
|
| 384 |
|
|
if (base.isFunction(base.m_Options.onImageLoadEnd())) {
|
| 385 |
|
|
base.m_Options.onImageLoadEnd(p_Element);
|
| 386 |
|
|
}
|
| 387 |
|
|
}
|
| 388 |
|
|
|
| 389 |
|
|
if (base.browser.isHardwareAccelerated) {
|
| 390 |
|
|
base.m_CurrentImageElement.style.opacity = 0;
|
| 391 |
|
|
base.m_CurrentImageElement.style.transition = "opacity 250ms ease";
|
| 392 |
|
|
} else {
|
| 393 |
|
|
var toOpacity = 0;
|
| 394 |
|
|
|
| 395 |
|
|
base.animate({
|
| 396 |
|
|
delay: 16,
|
| 397 |
|
|
duration: 250,
|
| 398 |
|
|
delta: base.linear,
|
| 399 |
|
|
step: function (delta) {
|
| 400 |
|
|
base.m_CurrentImageElement.style.opacity = (toOpacity * delta);
|
| 401 |
|
|
base.m_CurrentImageElement.style.filter = "alpha(opacity=" + ((toOpacity * delta) * 100 ) + ")"; // IE 8
|
| 402 |
|
|
}
|
| 403 |
|
|
});
|
| 404 |
|
|
}
|
| 405 |
|
|
|
| 406 |
|
|
setTimeout(function () {
|
| 407 |
|
|
if (base.m_CurrentImageElement) {
|
| 408 |
|
|
base.m_CurrentImageElement.parentNode.removeChild(base.m_CurrentImageElement);
|
| 409 |
|
|
}
|
| 410 |
|
|
|
| 411 |
|
|
base.m_CurrentImageElement = FALSE;
|
| 412 |
|
|
base.m_InstalledImageBox = FALSE;
|
| 413 |
|
|
}, base.browser.isHardwareAccelerated ? 250 : 350); // Duo animate delay, add 100ms.
|
| 414 |
|
|
},
|
| 415 |
|
|
|
| 416 |
|
|
isFunction: function (p_Function) {
|
| 417 |
|
|
return !!(p_Function && p_Function.constructor && p_Function.call && p_Function.apply);
|
| 418 |
|
|
},
|
| 419 |
|
|
|
| 420 |
|
|
addEvent: function (p_Element, p_Events, p_Callback) {
|
| 421 |
|
|
var i, j;
|
| 422 |
|
|
p_Events = p_Events.split(" ");
|
| 423 |
|
|
|
| 424 |
|
|
if (isEventListener) {
|
| 425 |
|
|
if ((p_Element && !(p_Element instanceof Array && !p_Element.length)) && (p_Element.length !== 0) || p_Element === window) {
|
| 426 |
|
|
for (i = 0; i < p_Events.length; i++) {
|
| 427 |
|
|
p_Element[ADDEVENTLISTENER](p_Events[i], p_Callback, FALSE);
|
| 428 |
|
|
}
|
| 429 |
|
|
} else if (p_Element && p_Element[0] !== "undefined") {
|
| 430 |
|
|
for (i = 0; i < p_Element.length; i++) {
|
| 431 |
|
|
for (j = 0; j < p_Events.length; j++) {
|
| 432 |
|
|
p_Element[i][ADDEVENTLISTENER](p_Events[j], p_Callback, FALSE);
|
| 433 |
|
|
}
|
| 434 |
|
|
}
|
| 435 |
|
|
}
|
| 436 |
|
|
} else {
|
| 437 |
|
|
for (i = 0; i < p_Events.length; i++) {
|
| 438 |
|
|
if (p_Events[i].indexOf("keydown") !== -1) {
|
| 439 |
|
|
document[ATTACHEVENT]("on" + p_Events[i], p_Callback);
|
| 440 |
|
|
} else {
|
| 441 |
|
|
if ((p_Element && !(p_Element instanceof Array && !p_Element.length)) && (p_Element.length !== 0) || p_Element === window) {
|
| 442 |
|
|
p_Element[ATTACHEVENT]("on" + p_Events[i], p_Callback);
|
| 443 |
|
|
} else if (p_Element && p_Element[0] !== "undefined") {
|
| 444 |
|
|
for (j = 0; j < p_Element.length; j++) {
|
| 445 |
|
|
p_Element[j][ATTACHEVENT](p_Events[i], p_Callback);
|
| 446 |
|
|
}
|
| 447 |
|
|
}
|
| 448 |
|
|
}
|
| 449 |
|
|
}
|
| 450 |
|
|
}
|
| 451 |
|
|
},
|
| 452 |
|
|
|
| 453 |
|
|
animate: function (p_Options) {
|
| 454 |
|
|
var base = this,
|
| 455 |
|
|
start = new Date();
|
| 456 |
|
|
|
| 457 |
|
|
var id = setInterval(function () {
|
| 458 |
|
|
var timePassed = new Date() - start,
|
| 459 |
|
|
progress = timePassed / p_Options.duration;
|
| 460 |
|
|
|
| 461 |
|
|
if (progress > 1) {
|
| 462 |
|
|
progress = 1;
|
| 463 |
|
|
}
|
| 464 |
|
|
|
| 465 |
|
|
var delta = p_Options.delta(progress);
|
| 466 |
|
|
p_Options.step(delta);
|
| 467 |
|
|
|
| 468 |
|
|
if (progress == 1) {
|
| 469 |
|
|
base.m_AnimateDone = true;
|
| 470 |
|
|
clearInterval(id);
|
| 471 |
|
|
}
|
| 472 |
|
|
}, p_Options.delay || 10);
|
| 473 |
|
|
},
|
| 474 |
|
|
|
| 475 |
|
|
linear: function (progress) {
|
| 476 |
|
|
return progress;
|
| 477 |
|
|
},
|
| 478 |
|
|
|
| 479 |
|
|
getcss3prop: function (p_CSSProp) {
|
| 480 |
|
|
var vendors = ["", "-moz-", "-webkit-", "-o-", "-ms-", "-khtml-"],
|
| 481 |
|
|
camelCase = function (str) {
|
| 482 |
|
|
return str.replace(/\-([a-z])/gi, function (match, p1) {
|
| 483 |
|
|
return p1.toUpperCase();
|
| 484 |
|
|
});
|
| 485 |
|
|
};
|
| 486 |
|
|
|
| 487 |
|
|
for (var i = 0; i < vendors.length; i++) {
|
| 488 |
|
|
var css3propcamel = camelCase(vendors[i] + p_CSSProp)
|
| 489 |
|
|
|
| 490 |
|
|
if (css3propcamel.substr(0,2) == "Ms") {
|
| 491 |
|
|
css3propcamel = "m" + css3propcamel.substr(1);
|
| 492 |
|
|
}
|
| 493 |
|
|
|
| 494 |
|
|
if (css3propcamel in docElem.style) {
|
| 495 |
|
|
return css3propcamel;
|
| 496 |
|
|
}
|
| 497 |
|
|
}
|
| 498 |
|
|
|
| 499 |
|
|
return "undefined";
|
| 500 |
|
|
}
|
| 501 |
|
|
};
|
| 502 |
|
|
|
| 503 |
|
|
SimplBox.options = {
|
| 504 |
|
|
imageElementId: "simplbox",
|
| 505 |
|
|
|
| 506 |
|
|
fadeInDistance: 100,
|
| 507 |
|
|
animationSpeed: 350,
|
| 508 |
|
|
imageSize: 0.8,
|
| 509 |
|
|
|
| 510 |
|
|
quitOnImageClick: true,
|
| 511 |
|
|
quitOnDocumentClick: true,
|
| 512 |
|
|
enableKeyboard: true,
|
| 513 |
|
|
|
| 514 |
|
|
onImageLoadStart: function () {},
|
| 515 |
|
|
onImageLoadEnd: function () {},
|
| 516 |
|
|
onStart: function () {},
|
| 517 |
|
|
onEnd: function () {}
|
| 518 |
|
|
};
|
| 519 |
|
|
|
| 520 |
|
|
window.SimplBox = SimplBox;
|
| 521 |
|
|
})(window, document);
|