$(function(){

    $.fn.randomize = function(childElem) {
        return this.each(function(){
            var $this = $(this);
            var elems = $this.children(childElem);

            elems.sort(function(){return (Math.round(Math.random()) - 0.5); });

            $this.remove(childElem);

            for(var i=0; i < elems.length; i++)
                $this.append(elems[i]);
        })
    };

    var $container = $("#container");
    $container.imagesLoaded(function(){
        $container.randomize(".item").masonry({
            itemSelector: '.item',
            columnWidth: function(containerWidth){
                return containerWidth / 4;
            }(),
            isAnimated: true
        });
       $(".item img.not-loaded").trigger("scroll");
    });
});