(function($){$.extend($.expr[":"],{"pmc-inview":function(element,index,match){var elementIsVisible=element.offsetHeight,elementPosition=element.getBoundingClientRect(),elementMiddlePosition=elementPosition.height/2+elementPosition.top;return elementIsVisible>0&&elementMiddlePosition>=0&&elementMiddlePosition<=window.innerHeight},"pmc-middle-child":function(element,index,match){var $items=$(element).parent().find(element.localName);if(3<=$items.length){return element===$items[Math.round($items.length/2)]}return false}})})(jQuery);