jsshell nots and dev

addScripts.js

function addHeadScript (url, type, title, id) {
    if (!url) return;
    head = document.getElementsByTagName('head')[0];
    script = document.createElement('script');
    script.src = url;
    script.type = (type) ? type : 'text/javascript';
    script.title = title;
    script.id = (id) ? id : title.replace(\\s+\, '-'); 
    head.appendChild(script);
    return script;
}