function setActiveStyleSheet(title) {

  var i, a, main;

  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {

	 if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {

      a.disabled = true;

      if(a.getAttribute("title") == title) a.disabled = false;

	 }

  }

}