jquery.lazyload.min.js

/*
 * Lazy Load - jQuery plugin for lazy loading images
 *
 * Copyright (c) 2007-2013 Mika Tuupola
 *
 * Licensed under the MIT license:
 *   http://www.opensource.org/licenses/mit-license.php
 *
 * Project home:
 *   http://www.appelsiini.net/projects/lazyload
 *
 * Version:  1.8.5
 *
 */
!function(e,t,o,n){var i=e(t);e.fn.lazyload=function(r){function f(){var t=0;a.each(function(){var o=e(this);if(!d.skip_invisible||o.is(":visible"))if(e.abovethetop(this,d)||e.leftofbegin(this,d));else if(e.belowthefold(this,d)||e.rightoffold(this,d)){if(++t>d.failure_limit)return!1}else o.trigger("appear"),t=0})}var l,a=this,d={threshold:0,failure_limit:0,event:"scroll",effect:"show",container:t,data_attribute:"original",skip_invisible:!0,appear:null,load:null};return r&&(n!==r.failurelimit&&(r.failure_limit=r.failurelimit,delete r.failurelimit),n!==r.effectspeed&&(r.effect_speed=r.effectspeed,delete r.effectspeed),e.extend(d,r)),l=d.container===n||d.container===t?i:e(d.container),0===d.event.indexOf("scroll")&&l.bind(d.event,function(){return f()}),this.each(function(){var t=this,o=e(t);t.loaded=!1,o.one("appear",function(){if(!this.loaded){if(d.appear){var n=a.length;d.appear.call(t,n,d)}e("<img />").bind("load",function(){o.hide().attr("src",o.data(d.data_attribute))[d.effect](d.effect_speed),t.loaded=!0;var n=e.grep(a,function(e){return!e.loaded});if(a=e(n),d.load){var i=a.length;d.load.call(t,i,d)}}).attr("src",o.data(d.data_attribute))}}),0!==d.event.indexOf("scroll")&&o.bind(d.event,function(){t.loaded||o.trigger("appear")})}),i.bind("resize",function(){f()}),/iphone|ipod|ipad.*os 5/gi.test(navigator.appVersion)&&i.bind("pageshow",function(t){t.originalEvent&&t.originalEvent.persisted&&a.each(function(){e(this).trigger("appear")})}),e(o).ready(function(){f()}),this},e.belowthefold=function(o,r){var f;return f=r.container===n||r.container===t?i.height()+i.scrollTop():e(r.container).offset().top+e(r.container).height(),f<=e(o).offset().top-r.threshold},e.rightoffold=function(o,r){var f;return f=r.container===n||r.container===t?i.width()+i.scrollLeft():e(r.container).offset().left+e(r.container).width(),f<=e(o).offset().left-r.threshold},e.abovethetop=function(o,r){var f;return f=r.container===n||r.container===t?i.scrollTop():e(r.container).offset().top,f>=e(o).offset().top+r.threshold+e(o).height()},e.leftofbegin=function(o,r){var f;return f=r.container===n||r.container===t?i.scrollLeft():e(r.container).offset().left,f>=e(o).offset().left+r.threshold+e(o).width()},e.inviewport=function(t,o){return!(e.rightoffold(t,o)||e.leftofbegin(t,o)||e.belowthefold(t,o)||e.abovethetop(t,o))},e.extend(e.expr[":"],{"below-the-fold":function(t){return e.belowthefold(t,{threshold:0})},"above-the-top":function(t){return!e.belowthefold(t,{threshold:0})},"right-of-screen":function(t){return e.rightoffold(t,{threshold:0})},"left-of-screen":function(t){return!e.rightoffold(t,{threshold:0})},"in-viewport":function(t){return e.inviewport(t,{threshold:0})},"above-the-fold":function(t){return!e.belowthefold(t,{threshold:0})},"right-of-fold":function(t){return e.rightoffold(t,{threshold:0})},"left-of-fold":function(t){return!e.rightoffold(t,{threshold:0})}})}(jQuery,window,document);