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;
	     }
	   }
	}