function swapCSS(newStyleTitle){
  var i, tags;
  for (i=0; (tags = document.getElementsByTagName("link")[i]); i++){
    if (tags.getAttribute("rel").indexOf("style")  != -1 && tags.getAttribute("title")){
        tags.disabled = true;
        if (tags.getAttribute("title") == newStyleTitle) tags.disabled = false;
    }
  }
}

window.onload = function(e){
  swapCSS('default');
}