/*!
 * # Semantic UI 2.0.0 - Visibility
 * http://github.com/semantic-org/semantic-ui/
 *
 *
 * Copyright 2014 Contributors
 * Released under the MIT license
 * http://opensource.org/licenses/MIT
 *
 */
!function(e,o,t,n){"use strict";e.fn.visibility=function(i){var s,c=e(this),r=c.selector||"",a=(new Date).getTime(),l=[],u=arguments[0],d="string"==typeof u,m=[].slice.call(arguments,1);return c.each(function(){var c,b,g=e.isPlainObject(i)?e.extend(!0,{},e.fn.visibility.settings,i):e.extend({},e.fn.visibility.settings),f=g.className,p=g.namespace,v=g.error,h="."+p,P="module-"+p,V=e(o),C=e(this),y=e(g.context),R=(C.selector||"",C.data(P)),x=o.requestAnimationFrame||o.mozRequestAnimationFrame||o.webkitRequestAnimationFrame||o.msRequestAnimationFrame||function(e){setTimeout(e,0)},T=this;b={initialize:function(){b.debug("Initializing",g),b.setup.cache(),b.save.position(),b.should.trackChanges()&&(b.bind.events(),"image"==g.type&&b.setup.image(),"fixed"==g.type&&b.setup.fixed(),g.observeChanges&&b.observeChanges(),b.is.visible()||b.error(v.visible,C)),g.initialCheck&&b.checkVisibility(),b.instantiate()},instantiate:function(){b.debug("Storing 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e=C.data("src");e&&(b.verbose("Lazy loading image",e),g.observeChanges=!1,b.topVisible(function(){b.debug("Image top visible",T),b.precache(e,function(){b.set.image(e),g.onTopVisible=!1})}))},fixed:function(){b.verbose("Setting up fixed on element pass"),g.once=!1,g.onTopPassed=function(){C.addClass(f.fixed).css({top:g.offset+"px"}),g.transition&&e.fn.transition!==n&&C.transition(g.transition,g.duration)},g.onTopPassedReverse=function(){C.removeClass(f.fixed).css({position:"",top:""})}}},set:{image:function(o){var t=b.cache.screen.bottom<b.cache.element.top;C.attr("src",o),t?(b.verbose("Image outside browser, no show animation"),C.show()):g.transition?e.fn.transition!==n?C.transition(g.transition,g.duration):C.fadeIn(g.duration):C.show()}},is:{visible:function(){return b.cache&&b.cache.element?b.cache.element.width>0:!1}},refresh:function(){b.debug("Refreshing constants 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