var head = document.getElementsByTagName('head')[0];

function insertCSS(path, stylesheetId) {
    var newSS = document.createElement('link');
    newSS.media = 'screen';
    newSS.type = 'text/css';
    newSS.id = stylesheetId;
    newSS.href = path;
    newSS.rel = 'stylesheet';
    head.appendChild(newSS);
}
function initPage() {
    insertCSS('http://www.appbid.com/wp-content/themes/mt/css/expand.css','expand');
}