function makeCookie(Name,Value,Expiry,Path,Domain,Secure){

  if (Expiry != null) {

    var datenow = new Date();

    datenow.setTime(datenow.getTime() + Math.round(86400000*Expiry));

    Expiry = datenow.toGMTString();

  }



  Expiry = (Expiry != null) ? '; expires='+Expiry : '';

  Path = (Path != null)?'; path='+Path:'';

  Domain = (Domain != null) ? '; domain='+Domain : '';

  Secure = (Secure != null) ? '; secure' : '';



  document.cookie = Name + '=' + escape(Value) + Expiry + Path + Domain + Secure;

}



function readCookie(Name) {

  var cookies = document.cookie;

  if (cookies.indexOf(Name + '=') == -1) return null;

  var start = cookies.indexOf(Name + '=') + (Name.length + 1);

  var finish = cookies.substring(start,cookies.length);

  finish = (finish.indexOf(';') == -1) ? cookies.length : start + finish.indexOf(';');

  return unescape(cookies.substring(start,finish));

}



function setActiveStyleSheet(pTitle) {

  var vLoop, vLink;

  for(vLoop=0; (vLink = document.getElementsByTagName("link")[vLoop]); vLoop++) {

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

      vLink.disabled = true;

      if(vLink.getAttribute("title") == pTitle) vLink.disabled = false;

    }

  }

}



function selectStyle (vCookieName, vSelection) {

  //WRITE COOKIE

  makeCookie(vCookieName, vSelection, 90, '/');

  //ACTIVE SELECTED ALTERNAT STYLE SHEET

  setActiveStyleSheet(vSelection)

}



if (document.cookie.indexOf('style=')!=-1) {

  css = readCookie('style');

  //ACTIVATE SELECTED STYLE SHEET

  setActiveStyleSheet(css)

}