turn.js/lib/scissor.min.js

/* turn.js 4.1.0 | Copyright (c) 2012 Emmanuel Garcia | turnjs.com | turnjs.com/license.txt */

(function(a){a.extend(a.fn,{scissor:function(){this.each(function(){var b=a(this),c={width:b.width()/2,height:b.height(),overflow:"hidden"},f=b.clone(!0),d=a("<div />",{css:c}),e=a("<div />",{css:c});b.after(d);d.after(e);b.css({marginLeft:0}).appendTo(d);f.css({marginLeft:-c.width}).appendTo(e)});return this}})})(jQuery);