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* Vegas - Fullscreen Backgrounds and Slideshows.\n * v2.4.4 - built 2018-10-30\n * Licensed under the MIT License.\n * http://vegas.jaysalvat.com/\n * ----------------------------------------------------------------------------\n * Copyright (C) 2010-2018 Jay Salvat\n * http://jaysalvat.com/\n * --------------------------------------------------------------------------*/\n\n(function ($) {\n 'use strict';\n\n var defaults = {\n slide: 0,\n delay: 5000,\n loop: true,\n preload: false,\n preloadImage: false,\n preloadVideo: false,\n timer: true,\n overlay: false,\n autoplay: true,\n shuffle: false,\n cover: true,\n color: null,\n align: 'center',\n valign: 'center',\n firstTransition: null,\n firstTransitionDuration: null,\n transition: 'fade',\n transitionDuration: 1000,\n transitionRegister: [],\n animation: null,\n animationDuration: 'auto',\n animationRegister: [],\n slidesToKeep: 1,\n init: function () {},\n play: function () {},\n pause: function () {},\n walk: function () {},\n slides: [\n // {\n // src: null,\n // color: null,\n // delay: null,\n // align: null,\n // valign: null,\n // transition: null,\n // transitionDuration: null,\n // animation: null,\n // animationDuration: null,\n // cover: true,\n // video: {\n // src: [],\n // mute: true,\n // loop: true\n // }\n // ...\n ]\n };\n\n var videoCache = {};\n\n var Vegas = function (elmt, options) {\n this.elmt = elmt;\n this.settings = $.extend({}, defaults, $.vegas.defaults, options);\n this.slide = this.settings.slide;\n this.total = this.settings.slides.length;\n this.noshow = this.total < 2;\n this.paused = !this.settings.autoplay || this.noshow;\n this.ended = false;\n this.$elmt = $(elmt);\n this.$timer = null;\n this.$overlay = null;\n this.$slide = null;\n this.timeout = null;\n this.first = true;\n\n this.transitions = [\n 'fade', 'fade2',\n 'blur', 'blur2',\n 'flash', 'flash2',\n 'negative', 'negative2',\n 'burn', 'burn2',\n 'slideLeft', 'slideLeft2',\n 'slideRight', 'slideRight2',\n 'slideUp', 'slideUp2',\n 'slideDown', 'slideDown2',\n 'zoomIn', 'zoomIn2',\n 'zoomOut', 'zoomOut2',\n 'swirlLeft', 'swirlLeft2',\n 'swirlRight', 'swirlRight2'\n ];\n\n this.animations = [\n 'kenburns',\n 'kenburnsLeft', 'kenburnsRight',\n 'kenburnsUp', 'kenburnsUpLeft', 'kenburnsUpRight',\n 'kenburnsDown', 'kenburnsDownLeft', 'kenburnsDownRight'\n ];\n\n if (this.settings.transitionRegister instanceof Array === false) {\n this.settings.transitionRegister = [ this.settings.transitionRegister ];\n }\n\n if (this.settings.animationRegister instanceof Array === false) {\n this.settings.animationRegister = [ this.settings.animationRegister ];\n }\n\n this.transitions = this.transitions.concat(this.settings.transitionRegister);\n this.animations = this.animations.concat(this.settings.animationRegister);\n\n this.support = {\n objectFit: 'objectFit' in document.body.style,\n transition: 'transition' in document.body.style || 'WebkitTransition' in document.body.style,\n video: $.vegas.isVideoCompatible()\n };\n\n if (this.settings.shuffle === true) {\n this.shuffle();\n }\n\n this._init();\n };\n\n Vegas.prototype = {\n _init: function () {\n var $wrapper,\n $overlay,\n $timer,\n isBody = this.elmt.tagName === 'BODY',\n timer = this.settings.timer,\n overlay = this.settings.overlay,\n self = this;\n\n // Preloading\n this._preload();\n\n // Wrapper with content\n if (!isBody) {\n this.$elmt.css('height', this.$elmt.css('height'));\n\n $wrapper = $('