function loadjscssfile(filename, filetype){
 if (filetype == "js"){ //if filename is a external JavaScript file
  var fileref=document.createElement('script')
  fileref.setAttribute("type","text/javascript")
  fileref.setAttribute("src", filename)
 }
 else if (filetype == "css"){ //if filename is an external CSS file
  var fileref=document.createElement("link")
  fileref.setAttribute("rel", "stylesheet")
  fileref.setAttribute("type", "text/css")
  fileref.setAttribute("href", filename)
 }
 if (typeof fileref != "undefined")
  document.getElementsByTagName("head")[0].appendChild(fileref)
}

/*loadjscssfile("/scripts/thickbox/jquery-latest.pack.js", "js");
loadjscssfile("/scripts/thickbox/thickbox.js", "js");
loadjscssfile("/scripts/thickbox/thickbox.css", "css");*/