function loadcssfile(filename){
  var fileref=document.createElement("link");
  fileref.setAttribute("rel", "stylesheet");
  fileref.setAttribute("type", "text/css");
  fileref.setAttribute("href", filename);
  document.getElementsByTagName("head")[0].appendChild(fileref)
}
function removejscssfile(filename, filetype){
 var targetelement=(filetype=="js")? "script" : (filetype=="css")? "link" : "none" //determine element type to create nodelist from
 var targetattr=(filetype=="js")? "src" : (filetype=="css")? "href" : "none" //determine corresponding attribute to test for
 var allsuspects=document.getElementsByTagName(targetelement)
 for (var i=allsuspects.length; i>=0; i--){ //search backwards within nodelist for matching elements to remove
  if (allsuspects[i] && allsuspects[i].getAttribute(targetattr)!=null && allsuspects[i].getAttribute(targetattr).indexOf(filename)!=-1)
   allsuspects[i].parentNode.removeChild(allsuspects[i]) //remove element by calling parentNode.removeChild()
 }
}

function isSmartPhone() {
  return ((navigator.userAgent.match(/iPhone/i)) || (navigator.userAgent.match(/iPod/i)));
}
if (isSmartPhone()) {removejscssfile('/TF-CSS.css','css');loadcssfile('/TF-CSS-mobile.css')};;