[JavaScript] Using Js to load css and js files with linux timestamp dynamically

//Using Js to load css and js files with linux timestamp.

<script>

var timestamp = new Date().getTime();
loadFile('tiny_mce_popup.js?'+timestamp, 'js');
loadFile('js/video.js?'+timestamp, 'js');
loadFile('css/video.css?'+timestamp, 'css');

function loadFile(path, type){
  if (type=="js"){
    var fileref=document.createElement('script');
    fileref.setAttribute("type","text/javascript");
    fileref.setAttribute("src", path);
 }else if (type=="css"){
    var fileref=document.createElement("link");
    fileref.setAttribute("rel", "stylesheet");
    fileref.setAttribute("type", "text/css");
    fileref.setAttribute("href", path);
  }
  document.getElementsByTagName("head")[0].appendChild(fileref);
}
</script> 

Reference:
http://cobwwweb.com/dynamically-add-javascript-and-css-files-to-your-website-using-javascript