https://www.sem-ch.jp/themeforest_files/tiles.js

1function rand(e,t){var n=arguments.length;if(n===0){e=0;t=2147483647}else if(n===1)throw new Error("Warning: rand() expects exactly 2 parameters, 1 given");return Math.floor(Math.random()*(t-e+1))+e}(function(e,t,n,r){function s(t,n){t.config=e.extend({},i,n);t.tiles=t.find(".tile");t.col=t.attr("data-col");t.tiles_width=0;t.tile_count=t.tiles.length;t.slideshow_speed=parseInt(t.attr("data-slideshow_speed"));t.animation_speed=parseInt(t.attr("data-animation_speed"));t.animation_order=t.attr("data-animation_order");t.slideshow=t.attr("data-slideshow")}var i={};e.fn.tiles=function(n){function o(){return r.slideshow=="no"?!1:!0}function u(){if(o()){var e=a();r.tiles.eq(e).find(".image").stop(!0,!0).fadeOut(r.animation_speed);r.find(".image:hidden").fadeIn(r.animation_speed)}}function a(){var e;if(r.animation_order=="asc")if(i==="")e=0;else{e=i+1;i==r.tile_count-1&&(e=0)}else if(r.animation_order=="desc")if(i==="")e=r.tile_count-1;else{e=i-1;i==0&&(e=r.tile_count-1)}else e=rand(0,r.tile_count-1);i=e;return e}function f(){if(e(".blueprint").hasClass("has-sidebar")){r.tiles_width=e("#blueprint-content").width()-22;r.tile_size=r.tiles_width/r.col}else{r.tiles_width=r.parents(".content:first").width()+88;r.tile_size=r.tiles_width/r.col}r.width(r.tiles_width);r.tiles.width(r.tile_size);r.tiles.height(r.tile_size)}new s(this,n);var r=this;f();var i="";jQuery(t).load(function(){r.show();slideshow=setInterval(function(){u()},r.slideshow_speed)});jQuery(t).smartresize(function(){f()});r.tiles.mouseenter(function(){r.find(".image:hidden").fadeIn(r.animation_speed);e(this).find(".image").stop(!0,!0).fadeOut(r.animation_speed);clearInterval(slideshow)});r.tiles.mouseleave(function(){e(this).find(".image").stop(!0,!0).fadeIn(r.animation_speed);slideshow=setInterval(function(){u()},r.slideshow_speed)})}})(jQuery,window,document);