( function ( win, doc ) {

    // Google Analytics global variable
    win._gaq = [ ['_setAccount','UA-XXXXX-X'], ['_trackPageview'], ['_trackPageLoadTime'] ]; 

    // Array of cross-domain script urls
    var urls = [
        '//connect.facebook.net/en_US/all.js', // Facebook SDK
        '//platform.twitter.com/widgets.js', // Twitter Widgets
        'https://apis.google.com/js/plusone.js', // Google +1 Button
       ('https:' == location.protocol ? '//ssl' : '//www') + '.google-analytics.com/ga.js' // Google Analytics
    ],

    length = urls.length,
    nodeName = 'script',
    fragment = doc.createDocumentFragment(), // create container for DOM nodes
    elem = doc.createElement( nodeName ), // create script element
    temp;

    while ( length -- ) {
        temp = elem.cloneNode( false );
        temp.src = urls[ length ];
        temp.async = true;
        fragment.appendChild( temp );
    }

    // insert documentFragment before first script element
    ( temp = doc.getElementsByTagName( nodeName )[0] ).parentNode.insertBefore( fragment, temp );

} ( this, document ) );