typekit

inject-first.js

$('link').first().remove(); //remove current typekit-generated CSS
$('head').prepend('<link rel="stylesheet" href="http://macmhealey.wins.wsod.local/markit.com/typekit.css" type="text/css" />');

//FOR IE
document.createStyleSheet("http://macmhealey.wins.wsod.local/markit.com/typekit.css");

inject.js

$('link').first().remove(); //remove current typekit-generated CSS
var f=document.createElement("link");
f.setAttribute("rel", "stylesheet");
f.setAttribute("type", "text/css");
f.setAttribute("href", "http://macmhealey.wins.wsod.local/markit.com/typekit.css");
document.getElementsByTagName("head")[0].appendChild(f);

typekit.css

@font-face {
    font-family: 'akzidenz-grotesk-next';
    src: url('AGNext/Regular/agnextregular-webfont.eot');
    src: local('☺'),
       url('AGNext/Regular/agnextregular-webfont.eot?#iefix') format('embedded-opentype'),
         url('AGNext/Regular/agnextregular-webfont.woff') format('woff'),
         url('AGNext/Regular/agnextregular-webfont.ttf') format('truetype'),
         url('AGNext/Regular/agnextregular-webfont.svg#akzidenz-grotesk-next') format('svg');
}