/*! matchMedia() polyfill - Test a CSS media type/query in JS. Authors & copyright (c) 2012: Scott Jehl, Paul Irish, Nicholas Zakas. Dual MIT/BSD license */window.matchMedia=window.matchMedia||function(e,t){"use strict";var n,r=e.documentElement,i=r.firstElementChild||r.firstChild,s=e.createElement("body"),o=e.createElement("div");o.id="mq-test-1";o.style.cssText="position:absolute;top:-100em";s.style.background="none";s.appendChild(o);return function(e){o.innerHTML='&shy;<style media="'+e+'"> #mq-test-1 { width: 42px; }</style>';r.insertBefore(s,i);n=o.offsetWidth===42;r.removeChild(s);return{matches:n,media:e}}}(document);