// source --> https://www.zanews.co.za/wp-content/themes/zanews-responsive-template/js/placeholder.js 
var placeholders = [
    'placeholder.210x110.png', 
    'placeholder.210x235.png', 
    'placeholder.435x235.png',
    'placeholder.210x210.png',
    'placeholder.660x360.png'
];

jQuery(document).ready(function(){
    imagePlaceholders();
});

function imagePlaceholders() {
	jQuery("img").each(function(){
        var imgObj = jQuery(this);
		
		var determinedPlaceholder = '';
		
		if(typeof(imgObj.attr('height')) !== 'undefined' && typeof(imgObj.attr('width')) !== 'undefined') {
                        
                        if (imgObj.attr('width') === imgObj.attr('height')) {
                            determinedPlaceholder = placeholders[3];
                        }                    
			else if(imgObj.attr('height') <= 110) {
				determinedPlaceholder = placeholders[0];
			} else if(imgObj.attr('height') <= 235) {
				if(typeof(imgObj.attr('width')) !== 'undefined') {
                                        if (imgObj.attr('height') >= 210 && imgObj.attr('height') < 235) {
                                                determinedPlaceholder = placeholders[3];
                                        } else if(imgObj.attr('width') <= 210) {
						determinedPlaceholder = placeholders[1];
					} else if(imgObj.attr('width') <= 435) {
						determinedPlaceholder = placeholders[2];
					}
				}
			} else if(imgObj.attr('height') <= 360) {
                            determinedPlaceholder = placeholders[4];
                        }
		}
                
                //console.log('Placeholder for: ' + imgObj.attr('width') + 'x' + imgObj.attr('height') + '. ' + determinedPlaceholder + ' has been chosen');
		
		if(determinedPlaceholder !== '') {
			var img = new Image();
			img.onerror=function(){ 
				imgObj.attr('src', themeDir + 'img/' + determinedPlaceholder);
                                imgObj.attr('style', 'width:100%;height:auto;');
			}
			img.src = imgObj.attr('src');
		}
    });
};
// source --> https://www.zanews.co.za/wp-content/themes/zanews-responsive-template/js/jquery.scrollTo-min.js?1.4.11 
/**
 * Copyright (c) 2007-2014 Ariel Flesler - aflesler<a>gmail<d>com | http://flesler.blogspot.com
 * Licensed under MIT
 * @author Ariel Flesler
 * @version 1.4.11
 */
;(function(a){if(typeof define==='function'&&define.amd){define(['jquery'],a)}else{a(jQuery)}}(function($){var j=$.scrollTo=function(a,b,c){return $(window).scrollTo(a,b,c)};j.defaults={axis:'xy',duration:parseFloat($.fn.jquery)>=1.3?0:1,limit:true};j.window=function(a){return $(window)._scrollable()};$.fn._scrollable=function(){return this.map(function(){var a=this,isWin=!a.nodeName||$.inArray(a.nodeName.toLowerCase(),['iframe','#document','html','body'])!=-1;if(!isWin)return a;var b=(a.contentWindow||a).document||a.ownerDocument||a;return/webkit/i.test(navigator.userAgent)||b.compatMode=='BackCompat'?b.body:b.documentElement})};$.fn.scrollTo=function(f,g,h){if(typeof g=='object'){h=g;g=0}if(typeof h=='function')h={onAfter:h};if(f=='max')f=9e9;h=$.extend({},j.defaults,h);g=g||h.duration;h.queue=h.queue&&h.axis.length>1;if(h.queue)g/=2;h.offset=both(h.offset);h.over=both(h.over);return this._scrollable().each(function(){if(f==null)return;var d=this,$elem=$(d),targ=f,toff,attr={},win=$elem.is('html,body');switch(typeof targ){case'number':case'string':if(/^([+-]=?)?\d+(\.\d+)?(px|%)?$/.test(targ)){targ=both(targ);break}targ=$(targ,this);if(!targ.length)return;case'object':if(targ.is||targ.style)toff=(targ=$(targ)).offset()}var e=$.isFunction(h.offset)&&h.offset(d,targ)||h.offset;$.each(h.axis.split(''),function(i,a){var b=a=='x'?'Left':'Top',pos=b.toLowerCase(),key='scroll'+b,old=d[key],max=j.max(d,a);if(toff){attr[key]=toff[pos]+(win?0:old-$elem.offset()[pos]);if(h.margin){attr[key]-=parseInt(targ.css('margin'+b))||0;attr[key]-=parseInt(targ.css('border'+b+'Width'))||0}attr[key]+=e[pos]||0;if(h.over[pos])attr[key]+=targ[a=='x'?'width':'height']()*h.over[pos]}else{var c=targ[pos];attr[key]=c.slice&&c.slice(-1)=='%'?parseFloat(c)/100*max:c}if(h.limit&&/^\d+$/.test(attr[key]))attr[key]=attr[key]<=0?0:Math.min(attr[key],max);if(!i&&h.queue){if(old!=attr[key])animate(h.onAfterFirst);delete attr[key]}});animate(h.onAfter);function animate(a){$elem.animate(attr,g,h.easing,a&&function(){a.call(this,targ,h)})}}).end()};j.max=function(a,b){var c=b=='x'?'Width':'Height',scroll='scroll'+c;if(!$(a).is('html,body'))return a[scroll]-$(a)[c.toLowerCase()]();var d='client'+c,html=a.ownerDocument.documentElement,body=a.ownerDocument.body;return Math.max(html[scroll],body[scroll])-Math.min(html[d],body[d])};function both(a){return $.isFunction(a)||typeof a=='object'?a:{top:a,left:a}};return j}));
// source --> https://www.zanews.co.za/wp-content/themes/zanews-responsive-template/js/jquery.localscroll-min.js?1.3.4 
/**
 * Copyright (c) 2007-2014 Ariel Flesler - aflesler<a>gmail<d>com | http://flesler.blogspot.com
 * Licensed under MIT
 * @author Ariel Flesler
 * @version 1.3.4
 */
;(function(a){if(typeof define==='function'&&define.amd){define(['jquery'],a)}else{a(jQuery)}}(function($){var g=location.href.replace(/#.*/,'');var h=$.localScroll=function(a){$('body').localScroll(a)};h.defaults={duration:1000,axis:'y',event:'click',stop:true,target:window};$.fn.localScroll=function(b){b=$.extend({},h.defaults,b);if(b.hash&&location.hash){if(b.target)window.scrollTo(0,0);scroll(0,location,b)}return b.lazy?this.bind(b.event,function(e){var a=$([e.target,e.target.parentNode]).filter(filter)[0];if(a)scroll(e,a,b)}):this.find('a,area').filter(filter).bind(b.event,function(e){scroll(e,this,b)}).end().end();function filter(){return!!this.href&&!!this.hash&&this.href.replace(this.hash,'')==g&&(!b.filter||$(this).is(b.filter))}};h.hash=function(){};function scroll(e,a,b){var c=a.hash.slice(1),elem=document.getElementById(c)||document.getElementsByName(c)[0];if(!elem)return;if(e)e.preventDefault();var d=$(b.target);if(b.lock&&d.is(':animated')||b.onBefore&&b.onBefore(e,elem,d)===false)return;if(b.stop)d._scrollable().stop(true);if(b.hash){var f=elem.id===c?'id':'name',$a=$('<a> </a>').attr(f,c).css({position:'absolute',top:$(window).scrollTop(),left:$(window).scrollLeft()});elem[f]='';$('body').prepend($a);location.hash=a.hash;$a.remove();elem[f]=c}d.scrollTo(elem,b).trigger('notify.serialScroll',[elem])};return h}));
// source --> https://www.zanews.co.za/wp-content/themes/zanews-responsive-template/js/jquery.serialScroll-min.js?1.2.4 
/**
 * Copyright (c) 2007-2013 Ariel Flesler - aflesler<a>gmail<d>com | http://flesler.blogspot.com
 * Licensed under MIT.
 * @author Ariel Flesler
 * @version 1.2.4
 */
;(function($){var f='.serialScroll';var g=$.serialScroll=function(a){return $(window).serialScroll(a)};g.defaults={duration:1000,axis:'x',event:'click',start:0,step:1,lock:true,cycle:true,constant:true};$.fn.serialScroll=function(d){return this.each(function(){var c=$.extend({},g.defaults,d),event=c.event,step=c.step,lazy=c.lazy,context=c.target?this:document,$pane=$(c.target||this,context),pane=$pane[0],items=c.items,active=c.start,auto=c.interval,nav=c.navigation,timer;if(!pane)return;if(!lazy)items=getItems();if(c.force||auto)jump({},active);$(c.prev||[],context).bind(event,-step,move);$(c.next||[],context).bind(event,step,move);if(!pane.ssbound)$pane.bind('prev'+f,-step,move).bind('next'+f,step,move).bind('goto'+f,jump);if(auto)$pane.bind('start'+f,function(e){if(!auto){clear();auto=true;next()}}).bind('stop'+f,function(){clear();auto=false});$pane.bind('notify'+f,function(e,a){var i=index(a);if(i>-1)active=i});pane.ssbound=true;if(c.jump)(lazy?$pane:getItems()).bind(event,function(e){jump(e,index(e.target))});if(nav)nav=$(nav,context).bind(event,function(e){e.data=Math.round(getItems().length/nav.length)*nav.index(this);jump(e,this)});function move(e){e.data+=active;jump(e,this)};function jump(e,a){if(isNaN(a))a=e.data;var n,real=e.type,$items=c.exclude?getItems().slice(0,-c.exclude):getItems(),limit=$items.length-1,elem=$items[a],duration=c.duration;if(real)e.preventDefault();if(auto){clear();timer=setTimeout(next,c.interval)}if(!elem){n=a<0?0:limit;if(active!==n)a=n;else if(!c.cycle)return;else a=limit-n;elem=$items[a]}if(!elem||c.lock&&$pane._scrollable().is(':animated')||real&&c.onBefore&&c.onBefore(e,elem,$pane,getItems(),a)===false)return;if(c.stop)$pane._scrollable().stop(true);if(c.constant)duration=Math.abs(duration/step*(active-a));$pane.scrollTo(elem,duration,c);trigger('notify',a)};function next(){trigger('next')};function clear(){clearTimeout(timer)};function getItems(){return $(items,pane)};function trigger(a){$pane.trigger(a+f,[].slice.call(arguments,1))}function index(a){if(!isNaN(a))return a;var b=getItems(),i;while((i=b.index(a))===-1&&a!==pane)a=a.parentNode;return i}})}})(jQuery);
// source --> https://www.zanews.co.za/wp-content/themes/zanews-responsive-template/js/nivo/nivo-lightbox.js 
/*
 * Nivo Lightbox v1.1
 * http://dev7studios.com/nivo-lightbox
 *
 * Copyright 2013, Dev7studios
 * Free to use and abuse under the MIT license.
 * http://www.opensource.org/licenses/mit-license.php
 */

;(function($, window, document, undefined){

    var pluginName = 'nivoLightbox',
        defaults = {
        	effect: 'fade',
        	theme: 'default',
        	keyboardNav: true,
        	clickOverlayToClose: true,
        	onInit: function(){},
	        beforeShowLightbox: function(){},
	        afterShowLightbox: function(lightbox){},
	        beforeHideLightbox: function(){},
	        afterHideLightbox: function(){},
	        onPrev: function(element){},
	        onNext: function(element){},
	        errorMessage: 'The requested content cannot be loaded. Please try again later.'
        };

    function NivoLightbox(element, options){	
        this.el = element;
        this.$el = $(this.el);

        this.options = $.extend({}, defaults, options);

        this._defaults = defaults;
        this._name = pluginName;

        this.init();
    }

    NivoLightbox.prototype = {

        init: function(){
			var $this = this;

			// Need this so we don't use CSS transitions in mobile
			if(!$('html').hasClass('nivo-lightbox-notouch')) $('html').addClass('nivo-lightbox-notouch');
			if('ontouchstart' in document) $('html').removeClass('nivo-lightbox-notouch');

			// Setup the click
            this.$el.on('click', function(e){
            	e.preventDefault();
            	$this.showLightbox();
            });

            // keyboardNav
	        if(this.options.keyboardNav){
		        $('body').off('keyup').on('keyup', function(e){
		        	var code = (e.keyCode ? e.keyCode : e.which);
		        	// Escape
					if(code == 27) $this.destructLightbox();
		        	// Left
					if(code == 37) $('.nivo-lightbox-prev').trigger('click');
					// Right
					if(code == 39) $('.nivo-lightbox-next').trigger('click');
				});
			}

			this.options.onInit.call(this);

        },

        showLightbox: function(){
        	var $this = this;
        	this.options.beforeShowLightbox.call(this);

            var lightbox = this.constructLightbox();
            if(!lightbox) return;
            var content = lightbox.find('.nivo-lightbox-content');
            if(!content) return;
            var currentLink = this.$el;
            $('body').addClass('nivo-lightbox-body-effect-'+ this.options.effect);

	        // Add content
	        this.processContent(content, currentLink);

	        // Nav
	        if(this.$el.attr('data-lightbox-gallery')){
		        var $this = this,
		        	galleryItems = $('[data-lightbox-gallery="'+ this.$el.attr('data-lightbox-gallery') +'"]');

		        $('.nivo-lightbox-nav').show();

				// Prev
		        $('.nivo-lightbox-prev').off('click').on('click', function(e){
		        	e.preventDefault();
		        	var index = galleryItems.index(currentLink);
		        	currentLink = galleryItems.eq(index - 1);
		        	if(!$(currentLink).length) currentLink = galleryItems.last();
		        	$this.processContent(content, currentLink);
		        	$this.options.onPrev.call(this, [ currentLink ]);
		        });

		        // Next
		        $('.nivo-lightbox-next').off('click').on('click', function(e){
		        	e.preventDefault();
		        	var index = galleryItems.index(currentLink);
		        	currentLink = galleryItems.eq(index + 1);
		        	if(!$(currentLink).length) currentLink = galleryItems.first();
		        	$this.processContent(content, currentLink);
		        	$this.options.onNext.call(this, [ currentLink ]);
		        });
	        }

	        setTimeout(function(){
	        	lightbox.addClass('nivo-lightbox-open');
	        	$this.options.afterShowLightbox.call(this, [ lightbox ]);
	        }, 1); // For CSS transitions
        },

        processContent: function(content, link){
        	var $this = this;
        	var href = link.attr('href');
        	content.html('').addClass('nivo-lightbox-loading');

        	// Is HiDPI?
        	if(this.isHidpi() && link.attr('data-lightbox-hidpi')){
	        	href = link.attr('data-lightbox-hidpi');
        	}

        	// Image
	        if(href.match(/\.(jpeg|jpg|gif|png)$/i) != null){
		        var img = $('<img>', { src: href });
				img.one('load', function() {
					var wrap = $('<div class="nivo-lightbox-image" />');
			        wrap.append(img);
					content.html(wrap).removeClass('nivo-lightbox-loading');

					// Vertically center images
					wrap.css({
						'line-height': $('.nivo-lightbox-content').height() +'px',
						'height': $('.nivo-lightbox-content').height() +'px' // For Firefox
					});
					$(window).resize(function() {
						wrap.css({
							'line-height': $('.nivo-lightbox-content').height() +'px',
							'height': $('.nivo-lightbox-content').height() +'px' // For Firefox
						});
					});
				}).each(function() {
					if(this.complete) $(this).load();
				});

				img.error(function() {
					var wrap = $('<div class="nivo-lightbox-error"><p>'+ $this.options.errorMessage +'</p></div>');
			        content.html(wrap).removeClass('nivo-lightbox-loading');
				});
	        }
	        // Video (Youtube/Vimeo)
	        else if(video = href.match(/(youtube|youtu|vimeo)\.(com|be)\/(watch\?v=([\w-]+)|([\w-]+))/)){
	        	var src = '',
	        		classTerm = 'nivo-lightbox-video';

	        	if(video[1] == 'youtube'){
		        	src = 'http://www.youtube.com/v/'+ video[4];
			        classTerm = 'nivo-lightbox-youtube';
	        	}
	        	if(video[1] == 'youtu'){
		        	src = 'http://www.youtube.com/v/'+ video[3];
			        classTerm = 'nivo-lightbox-youtube';
	        	}
	        	if(video[1] == 'vimeo'){
		        	src = 'http://player.vimeo.com/video/'+ video[3];
			        classTerm = 'nivo-lightbox-vimeo';
	        	}

	        	if(src){
		        	var iframe = $('<iframe>', {
			        	src: src,
			        	'class': classTerm,
			        	frameborder: 0,
			        	vspace: 0,
			        	hspace: 0,
			        	scrolling: 'auto'
			        });
			        content.html(iframe);
			        iframe.load(function(){ content.removeClass('nivo-lightbox-loading'); });
		        }
	        }
	        // AJAX
	        else if(link.attr('data-lightbox-type') == 'ajax'){
	        	var $this = this;
				$.ajax({
					url: href,
					cache: false,
					success: function(data) {
						var wrap = $('<div class="nivo-lightbox-ajax" />');
						wrap.append(data);
						content.html(wrap).removeClass('nivo-lightbox-loading');

						// Vertically center html
						if(wrap.outerHeight() < content.height()){
							wrap.css({
								'position': 'relative',
								'top': '50%',
								'margin-top': -(wrap.outerHeight()/2) +'px'
							});
						}
						$(window).resize(function() {
							if(wrap.outerHeight() < content.height()){
								wrap.css({
									'position': 'relative',
									'top': '50%',
									'margin-top': -(wrap.outerHeight()/2) +'px'
								});
							}
						});
					},
					error: function(){
						var wrap = $('<div class="nivo-lightbox-error"><p>'+ $this.options.errorMessage +'</p></div>');
				        content.html(wrap).removeClass('nivo-lightbox-loading');
					}
				});
	        }
	        // Inline HTML
	        else if(href.substring(0, 1) == '#'){
	        	if($(href).length){
		        	var wrap = $('<div class="nivo-lightbox-inline" />');
					wrap.append($(href).clone().show());
			        content.html(wrap).removeClass('nivo-lightbox-loading');

			        // Vertically center html
					if(wrap.outerHeight() < content.height()){
						wrap.css({
							'position': 'relative',
							'top': '50%',
							'margin-top': -(wrap.outerHeight()/2) +'px'
						});
					}
					$(window).resize(function() {
						if(wrap.outerHeight() < content.height()){
							wrap.css({
								'position': 'relative',
								'top': '50%',
								'margin-top': -(wrap.outerHeight()/2) +'px'
							});
						}
					});
				} else {
					var wrap = $('<div class="nivo-lightbox-error"><p>'+ $this.options.errorMessage +'</p></div>');
				    content.html(wrap).removeClass('nivo-lightbox-loading');
				}
	        }
	        // iFrame (default)
	        else {
		        var iframe = $('<iframe>', {
		        	src: href,
		        	'class': 'nivo-lightbox-item',
		        	frameborder: 0,
		        	vspace: 0,
		        	hspace: 0,
		        	scrolling: 'auto'
		        });
		        content.html(iframe);
		        iframe.load(function(){ content.removeClass('nivo-lightbox-loading'); });
	        }

	        // Set the title
	        if(link.attr('title')){
	        	var titleWrap = $('<span>', { 'class': 'nivo-lightbox-title' });
	        	titleWrap.text(link.attr('title'));
		        $('.nivo-lightbox-title-wrap').html(titleWrap);
	        } else {
		        $('.nivo-lightbox-title-wrap').html('');
	        }
        },

        constructLightbox: function(){
        	if($('.nivo-lightbox-overlay').length) return $('.nivo-lightbox-overlay');

        	var overlay = $('<div>', { 'class': 'nivo-lightbox-overlay nivo-lightbox-theme-'+ this.options.theme +' nivo-lightbox-effect-'+ this.options.effect });
        	var wrap = $('<div>', { 'class': 'nivo-lightbox-wrap' });
        	var content = $('<div>', { 'class': 'nivo-lightbox-content' });
        	var nav = $('<a href="#" class="nivo-lightbox-nav nivo-lightbox-prev">Previous</a><a href="#" class="nivo-lightbox-nav nivo-lightbox-next">Next</a>');
        	var close = $('<a href="#" class="nivo-lightbox-close" title="Close">Close</a>');
        	var title = $('<div>', { 'class': 'nivo-lightbox-title-wrap' });

        	var isMSIE = /*@cc_on!@*/0;
        	if(isMSIE) overlay.addClass('nivo-lightbox-ie');

        	wrap.append(content);
        	wrap.append(title);
        	overlay.append(wrap);
        	overlay.append(nav);
        	overlay.append(close);
	        $('body').append(overlay);

	        var $this = this;
	        if($this.options.clickOverlayToClose){
		        overlay.on('click', function(e){
	            	if(e.target === this ||
	            	   $(e.target).hasClass('nivo-lightbox-content') ||
	            	   $(e.target).hasClass('nivo-lightbox-image')) $this.destructLightbox();
		        });
		    }

	        close.on('click', function(e){
            	e.preventDefault();
            	$this.destructLightbox();
	        });

	        return overlay;
        },

        destructLightbox: function(){
        	var $this = this;
        	this.options.beforeHideLightbox.call(this);

        	$('.nivo-lightbox-overlay').removeClass('nivo-lightbox-open');
        	$('.nivo-lightbox-nav').hide();
        	$('body').removeClass('nivo-lightbox-body-effect-'+ $this.options.effect);

        	// For IE
        	var isMSIE = /*@cc_on!@*/0;
        	if(isMSIE){
        		$('.nivo-lightbox-overlay iframe').attr("src", " ");
				$('.nivo-lightbox-overlay iframe').remove();
			}

        	// Remove click handlers
        	$('.nivo-lightbox-prev').off('click');
        	$('.nivo-lightbox-next').off('click');

        	// Empty content (for videos)
        	$('.nivo-lightbox-content').empty();

        	this.options.afterHideLightbox.call(this);
        },

        isHidpi: function(){
			var mediaQuery = "(-webkit-min-device-pixel-ratio: 1.5),\
							  (min--moz-device-pixel-ratio: 1.5),\
							  (-o-min-device-pixel-ratio: 3/2),\
							  (min-resolution: 1.5dppx)";
			if(window.devicePixelRatio > 1) return true;
			if(window.matchMedia && window.matchMedia(mediaQuery).matches) return true;
			return false;
		}

    };

    $.fn[pluginName] = function(options){
        return this.each(function(){
            if(!$.data(this, pluginName)){
                $.data(this, pluginName, new NivoLightbox(this, options));
            }
        });
    };

})(jQuery, window, document);
// source --> https://www.zanews.co.za/wp-content/themes/zanews-responsive-template/js/infinite-scroll.js 
/** INFINITE SCROLL **/
// Variables
var currentOffset = 2;
var didScroll = false;
var isLoading = false;

// Registers
window.onscroll = handleScroll;
jQuery("body").ready(function() { handleScroll(); });

// Functions
function handleScroll() {
    didScroll = true;
}

setInterval(function() {
    if(didScroll) {
        var s = jQuery(window).scrollTop(),
        d = jQuery(document).height(),
        c = jQuery(window).height();
        scrollPercent = (s / (d-c)) * 100;

		if(scrollPercent >= 95) {
			doLoad();
		}
		
		didScroll = false;
    }
}, 100);

function doLoad() {
	var noPosts = jQuery('.no-more-posts');
	
	if(!isLoading && noPosts.length == 0) {
		var height = jQuery(document).height();
		jQuery(".loader-image").animate({ opacity: 1 }, "fast");
	
		var dataParam = { offset: currentOffset }
		if(typeof(category_slug) !== 'undefined') {
			dataParam['category'] = category_slug;
		}
	
		jQuery.ajax({
			url: '/infinite/',
			type: 'GET',
			data: dataParam,
			contentType: 'application/json; charset=utf-8',
			success: function (response) {
				// Hide the loader
				jQuery(".loader-image").animate({ opacity: 0 }, "fast");
			
				// Append the response
				jQuery(".content").append(response);
				imagePlaceholders();
			
				currentOffset++;
				isLoading = false;
			},
			error: function () {
				// Hide the loader
				jQuery(".loader-image").animate({ opacity: 0 }, "fast");
				
				isLoading = false;
			}
		});
		
		isLoading = true;
	}	
};