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;
      
    }
  }
}