if (window.self !== window.top && Static.SQUARESPACE_CONTEXT.authenticatedAccount) {
    if (window.customFonts) {
        window.top.customFonts = window.customFonts;
    }

    function injectScript(file, id, node) {
        if (node.querySelector('#' + id)) {
            return;
        };
        var script = document.createElement("script");
        script.src = file + '?cache=' + (new Date().getTime() + '').substr(0, 7);
        script.id = id;
        node.appendChild(script);
    }

    if (!window.top.document.getElementById('sqstp-custom-fonts-script')) {
        injectScript('https://assets.squarewebsites.org/custom-fonts.min.js', 'sqstp-custom-fonts-script', window.top.document.getElementsByTagName("head")[0]);
    }
}