define("plugins/scroll-window-height",function(require){var t=require("common/basePlugin"),i=require("adapter/jsClass"),o=require("adapter/dom"),s=require("adapter/enumerable"),h=i.Class(t,{constructor:function(t,i,n,e){this.settings=s.defaults(e,{delay:2e3});h.$super.call(this,t,i,n,e);this.context=o.find("#"+t);o.on(this.context,"click",this.handleClick.bind(this));o.on(window,"scroll",this.hideButton.bind(this));this.init()},init:function(){window.pageYOffset<100&&this.delay()},delay:function(){var t=this;setTimeout(function(){t.showButton()},this.settings.delay)},showButton:function(){o.show(this.context,!0)},hideButton:function(){o.hide(this.context,!0)},handleClick:function(t){t.preventDefault();var i=.8*window.innerHeight;$("body").velocity("scroll",{duration:1e3,offset:i});o.hide(this.context,!0)}});return h});