var filename='http://tympanus.net/codrops/adpacks/demoad.css?' + new Date().getTime();
var fileref=document.createElement("link");
fileref.setAttribute("rel", "stylesheet");
fileref.setAttribute("type", "text/css");
fileref.setAttribute("href", filename);
document.getElementsByTagName("head")[0].appendChild(fileref);
var demoad = document.createElement('div');
demoad.id = 'cdawrap';