/*! matchMedia() polyfill - Test a CSS media type/query in JS. Authors & copyright (c) 2012: Scott Jehl, Paul Irish, Nicholas Zakas, David Knight. MIT license */
window.matchMedia||(window.matchMedia=function(){"use strict";var styleMedia=(window.styleMedia||window.media);if(!styleMedia){var style=document.createElement('style'),script=document.getElementsByTagName('script')[0],info=null;style.type='text/css';style.id='matchmediajs-test';if(!script){document.head.appendChild(style);}else{script.parentNode.insertBefore(style,script);}
info=('getComputedStyle'in window)&&window.getComputedStyle(style,null)||style.currentStyle;styleMedia={matchMedium:function(media){var text='@media '+media+'{ #matchmediajs-test { width: 1px; } }';if(style.styleSheet){style.styleSheet.cssText=text;}else{style.textContent=text;}
return info.width==='1px';}};}
return function(media){return{matches:styleMedia.matchMedium(media||'all'),media:media||'all'};};}());
/*! matchMedia() polyfill addListener/removeListener extension. Author & copyright (c) 2012: Scott Jehl. Dual MIT/BSD license */
(function(){if(window.matchMedia&&window.matchMedia('all').addListener){return false;}
var localMatchMedia=window.matchMedia,hasMediaQueries=localMatchMedia('only all').matches,isListening=false,timeoutID=0,queries=[],handleChange=function(evt){clearTimeout(timeoutID);timeoutID=setTimeout(function(){for(var i=0,il=queries.length;i<il;i++){var mql=queries[i].mql,listeners=queries[i].listeners||[],matches=localMatchMedia(mql.media).matches;if(matches!==mql.matches){mql.matches=matches;for(var j=0,jl=listeners.length;j<jl;j++){listeners[j].call(window,mql);}}}},30);};window.matchMedia=function(media){var mql=localMatchMedia(media),listeners=[],index=0;mql.addListener=function(listener){if(!hasMediaQueries){return;}
if(!isListening){isListening=true;window.addEventListener('resize',handleChange,true);}
if(index===0){index=queries.push({mql:mql,listeners:listeners});}
listeners.push(listener);};mql.removeListener=function(listener){for(var i=0,il=listeners.length;i<il;i++){if(listeners[i]===listener){listeners.splice(i,1);}}};return mql;};}());window.mediaCheck=function(options){var mq;function mqChange(mq,options){if(mq.matches){if(typeof options.entry==="function"){options.entry();}}else if(typeof options.exit==="function"){options.exit();}};mq=window.matchMedia(options.media);mq.addListener(function(){mqChange(mq,options);});mqChange(mq,options);};