function activeCSS(active,inactive) { 
	var links = document.getElementsByTagName("link");
	var ac = 0;
	var iac = 0; 
    for (var i=0; i<links.length; i++) { 
 		if (links[i].getAttribute("title") == inactive) { 
			links[i].disabled = false;
			iac = i; 
		}else if(links[i].getAttribute("title") == active) {
			links[i].disabled = true;
			ac = i;
		} 
	}
	links[iac].disabled = true;
	links[ac].disabled = false;
	
}