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)
}

function detectIE() {
    //alert('detectIE triggered');
    try {
        if (navigator.appName == "Microsoft Internet Explorer"){
            document.getElementById('IE_warning').style.display="block";
            };  
        } catch(err) {
            txt="There was an error on this page.\n\n";
            txt+="Error description: " + err.description + "\n\n";
            txt+="Click OK to continue.\n\n";
            alert(txt);
        }
    }