响应式jquery瀑布流结合图片延迟加载特效

$(function(){
    $("img.lazy").lazyload({        
        load:function(){
            $('#container').BlocksIt({
                numOfCol:5,
                offsetX: 8,
                offsetY: 8
            });
        }
    });    
    $(window).scroll(function(){
            // 当滚动到最底部以上50像素时， 加载新内容
        if ($(document).height() - $(this).scrollTop() - $(this).height()<50){
            $('#container').append($("#test").html());        
            $('#container').BlocksIt({
                numOfCol:5,
                offsetX: 8,
                offsetY: 8
            });
            $("img.lazy").lazyload();
        }
    });
    
    //window resize
    var currentWidth = 1100;
    $(window).resize(function() {
        var winWidth = $(window).width();
        var conWidth;
        if(winWidth < 660) {
            conWidth = 440;
            col = 2
        } else if(winWidth < 880) {
            conWidth = 660;
            col = 3
        } else if(winWidth < 1100) {
            conWidth = 880;
            col = 4;
        } else {
            conWidth = 1100;
            col = 5;
        }
        
        if(conWidth != currentWidth) {
            currentWidth = conWidth;
            $('#container').width(conWidth);
            $('#container').BlocksIt({
                numOfCol: col,
                offsetX: 8,
                offsetY: 8
            });
        }
    });
});