function setActiveStyleSheet(title) {
   if (title == "normal") {
   		var cookieval = "normal";
   } else if (title == "medium") {
	   var cookieval = "medium";
   } else {
   		var cookieval = "large";
   }
   var today = new Date();
   var zero_date = new Date(0,0,0);
   today.setTime(today.getTime() - zero_date.getTime());
   var cookie_expire_date = new Date(today.getTime() + (8 * 7 * 86400000));
   
   setCookie("bu-adc-12345", cookieval, cookie_expire_date , "/" , "bu.edu", false); 
   
   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;
     }
   }
}
function getCookie(name) {
   var start = document.cookie.indexOf(name);
   var len = start+name.length+1;
   if ((!start) && (name != document.cookie.substring(0,name.length))) return null;
   if (start == -1) return null;
   var end = document.cookie.indexOf(";",len);
   if (end == -1) end = document.cookie.length;
   return unescape(document.cookie.substring(len,end));
}

function setCookie(name,value,expires,path,domain,secure) {
    var cookieString = name + "=" +escape(value) +
       ( (expires) ? ";expires=" + expires.toGMTString() : "") +
       ( (path) ? ";path=" + path : "") +
       ( (domain) ? ";domain=" + domain : "") +
       ( (secure) ? ";secure" : "");
    document.cookie = cookieString;
}
function getActiveStyle() {
	if (getCookie("bu-adc-12345") == "large") {
		setActiveStyleSheet("large");
	} else {
		setActiveStyleSheet("normal");
	}
}