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window.matchMedia = window.matchMedia || function(a) {
"use strict";
var c, d = a.documentElement,
e = d.firstElementChild || d.firstChild,
f = a.createElement( "body" ),
g = a.createElement( "div" );
return g.id = "mq-test-1", g.style.cssText = "position:absolute;top:-100em", f.style.background = "none", f.appendChild( g ),
function(a) {
return g.innerHTML = '­<style media="' + a + '"> #mq-test-1 { width: 42px; }</style>', d.insertBefore( f, e ), c = 42 === g.offsetWidth, d.removeChild( f ), {
matches: c,
media: a
}
}
}(document);
(function(a) {
"use strict";
function x() {
u( ! 0 )
}
var b = {};
if (a.respond = b, b.update = function() {}, b.mediaQueriesSupported = a.matchMedia && a.matchMedia( "only all" ).matches, ! b.mediaQueriesSupported) {
var q, r, t, c = a.document,
d = c.documentElement,
e = [],
f = [],
g = [],
h = {},
i = 30,
j = c.getElementsByTagName( "head" )[0] || d,
k = c.getElementsByTagName( "base" )[0],
l = j.getElementsByTagName( "link" ),
m = [],
n = function() {
for (var b = 0; l.length > b; b++) {
var c = l[b],
d = c.href,
e = c.media,
f = c.rel && "stylesheet" === c.rel.toLowerCase();
d && f && ! h[d] && (c.styleSheet && c.styleSheet.rawCssText ? (p( c.styleSheet.rawCssText, d, e ), h[d] = ! 0) : ( ! / ^ ([a - zA - Z : ] * \ / \ / ) / .test( d ) && ! k || d.replace( RegExp.$1, "" ).split( "/" )[0] === a.location.host) && m.push(
{
href: d,
media: e
}
))
}
o()
},
o = function() {
if (m.length) {
var b = m.shift();
v(
b.href, function(c) {
p( c, b.href, b.media ), h[b.href] = ! 0, a.setTimeout(
function() {
o()
}, 0
)
}
)
}
},
p = function(a, b, c) {
var d = a.match( /@media[^\{]+\{([^\{\}]*\{[^\}\{]*\})+/gi ),
g = d && d.length || 0;
b = b.substring( 0, b.lastIndexOf( "/" ) );
var h = function(a) {
return a.replace( /(url\()['"]?([^\/\)'"][^:\)'"]+)['"]?(\))/g, "$1" + b + "$2$3" )
},
i = ! g && c;
b.length && (b += "/"), i && (g = 1);
for (var j = 0; g > j; j++) {
var k, l, m, n;
i ? (k = c, f.push( h( a ) )) : (k = d[j].match( /@media *([^\{]+)\{([\S\s]+?)$/ ) && RegExp.$1, f.push( RegExp.$2 && h( RegExp.$2 ) )), m = k.split( "," ), n = m.length;
for (var o = 0; n > o; o++) {
l = m[o], e.push(
{
media: l.split( "(" )[0].match( /(only\s+)?([a-zA-Z]+)\s?/ ) && RegExp.$2 || "all",
rules: f.length - 1,
hasquery: l.indexOf( "(" ) > -1,
minw: l.match( /\(\s*min\-width\s*:\s*(\s*[0-9\.]+)(px|em)\s*\)/ ) && parseFloat( RegExp.$1 ) + (RegExp.$2 || ""),
maxw: l.match( /\(\s*max\-width\s*:\s*(\s*[0-9\.]+)(px|em)\s*\)/ ) && parseFloat( RegExp.$1 ) + (RegExp.$2 || "")
}
)
}
}
u()
},
s = function() {
var a, b = c.createElement( "div" ),
e = c.body,
f = ! 1;
return b.style.cssText = "position:absolute;font-size:1em;width:1em", e || (e = f = c.createElement( "body" ), e.style.background = "none"), e.appendChild( b ), d.insertBefore( e, d.firstChild ), a = b.offsetWidth, f ? d.removeChild( e ) : e.removeChild( b ), a = t = parseFloat( a )
},
u = function(b) {
var h = "clientWidth",
k = d[h],
m = "CSS1Compat" === c.compatMode && k || c.body[h] || k,
n = {},
o = l[l.length - 1],
p = (new Date).getTime();
if (b && q && i > p - q) {
return a.clearTimeout( r ), r = a.setTimeout( u, i ), void 0;
}
q = p;
for (var v in e) {
if (e.hasOwnProperty( v )) {
var w = e[v],
x = w.minw,
y = w.maxw,
z = null === x,
A = null === y,
B = "em";
x && (x = parseFloat( x ) * (x.indexOf( B ) > -1 ? t || s() : 1)), y && (y = parseFloat( y ) * (y.indexOf( B ) > -1 ? t || s() : 1)), w.hasquery && (z && A || ! (z || m >= x) || ! (A || y >= m)) || (n[w.media] || (n[w.media] = []), n[w.media].push( f[w.rules] ))
}
}
for (var C in g) {
g.hasOwnProperty( C ) && g[C] && g[C].parentNode === j && j.removeChild( g[C] );
}
for (var D in n) {
if (n.hasOwnProperty( D )) {
var E = c.createElement( "style" ),
F = n[D].join( "\n" );
E.type = "text/css", E.media = D, j.insertBefore( E, o.nextSibling ), E.styleSheet ? E.styleSheet.cssText = F : E.appendChild( c.createTextNode( F ) ), g.push( E )
}
}
},
v = function(a, b) {
var c = w();
c && (c.open( "GET", a, ! 0 ), c.onreadystatechange = function() {
4 !== c.readyState || 200 !== c.status && 304 !== c.status || b( c.responseText )
}, 4 !== c.readyState && c.send( null ))
},
w = function() {
var b = ! 1;
try {
b = new a.XMLHttpRequest
} catch (c) {
b = new a.ActiveXObject( "Microsoft.XMLHTTP" )
}
return function() {
return b
}
}();
n(), b.update = n, a.addEventListener ? a.addEventListener( "resize", x, ! 1 ) : a.attachEvent && a.attachEvent( "onresize", x )
}
})( this );