function load(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)
  }
  function aeload(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("myscript.js", "js") //dynamically load and add this .js file
  //loadjscssfile(<javascript.php>, "js") //dynamically load <javascript.php> as a JavaScript file
  //loadjscssfile("mystyle.css", "css") 
dynamically load and add this .css file