(function ($){ 
var options = $.lazyLoadXT, bgAttr = options.bgAttr || 'data-bg'; 
options.selector += ',[' + bgAttr + ']'; 
$(document).on('lazyshow', function (e){ 
var $this = $(_AN_Read_target('target', e)), url = $this.attr(bgAttr); 
if (!!url) { 
$this.css('background-image', "url('" + url + "')").removeAttr(bgAttr).triggerHandler('load'); 
} 
} 
); 
} 
)(window.jQuery || window.Zepto || window.$);