/*!

* Retina.js v1.3.0
*
* Copyright 2014 Imulus, LLC
* Released under the MIT license
*
* Retina.js is an open source script that makes it easy to serve
* high-resolution images to devices with retina displays.
*/
!function(){function a(){}function b(a){return f.retinaImageSuffix+a}function
c(a,c){if(this.path=a||"","undefined"!=typeof c&&null!
==c)this.at_2x_path=c,this.perform_check=!1;else{if(void 0!
==document.createElement){var
d=document.createElement("a");d.href=this.path,d.pathname=d.pathname.replace(g,b),t
his.at_2x_path=d.href}else{var
e=this.path.split("?");e[0]=e[0].replace(g,b),this.at_2x_path=e.join("?")}this.perf
orm_check=!0}}function d(a){this.el=a,this.path=new
c(this.el.getAttribute("src"),this.el.getAttribute("data-at2x"));var
b=this;this.path.check_2x_variant(function(a){a&&b.swap()})}var
e="undefined"==typeof exports?
window:exports,f={retinaImageSuffix:"@2x",check_mime_type:!
0,force_original_dimensions:!0};e.Retina=a,a.configure=function(a)
{null===a&&(a={});for(var b in
a)a.hasOwnProperty(b)&&(f[b]=a[b])},a.init=function(a){null===a&&(a=e);var
b=a.onload||function(){};a.onload=function(){var
a,c,e=document.getElementsByTagName("img"),f=[];for(a=0;a<e.length;a+=1)c=e[a],c.ge
tAttributeNode("data-no-retina")||f.push(new d(c));b()}},a.isRetina=function(){var
a="(-webkit-min-device-pixel-ratio: 1.5), (min--moz-device-pixel-ratio: 1.5), (-o-
min-device-pixel-ratio: 3/2), (min-resolution: 1.5dppx)";return
e.devicePixelRatio>1?!0:e.matchMedia&&e.matchMedia(a).matches?!0:!1};var g=/\.\w+
$/;e.RetinaImagePath=c,c.confirmed_paths=[],c.prototype.is_external=function()
{return!(!this.path.match(/^https?\:/i)||
this.path.match("//"+document.domain))},c.prototype.check_2x_variant=function(a)
{var b,d=this;return this.is_external()?a(!
1):this.perform_check||"undefined"==typeof this.at_2x_path||null===this.at_2x_path?
this.at_2x_path in c.confirmed_paths?a(!0):(b=new
XMLHttpRequest,b.open("HEAD",this.at_2x_path),b.onreadystatechange=function(){if(4!
==b.readyState)return a(!1);if(b.status>=200&&b.status<=399){if(f.check_mime_type)
{var e=b.getResponseHeader("Content-Type");if(null===e||!e.match(/^image/i))return
a(!1)}return c.confirmed_paths.push(d.at_2x_path),a(!0)}return a(!1)},b.send(),void
0):a(!0)},e.RetinaImage=d,d.prototype.swap=function(a){function b(){c.el.complete?
(f.force_original_dimensions&&(c.el.setAttribute("width",c.el.offsetWidth),c.el.set
Attribute("height",c.el.offsetHeight)),c.el.setAttribute("src",a)):setTimeout(b,5)}
"undefined"==typeof a&&(a=this.path.at_2x_path);var
c=this;b()},a.isRetina()&&a.init(e)}();