// This file contains cookie code to preserve where visitors come to the site from

// It has a function that can be included in forms to pass the information on

// these 3 functions Get, Set, and Delete are public domain by Bill Dortch
function Get_Cookie(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 Set_Cookie(name,value,expires,path,domain,secure) {
    document.cookie = name + "=" +escape(value) + ( (expires) ? ";expires=" + expires.toGMTString() : "") + ( (path) ? ";path=" + path : "") + ( (domain) ? ";domain=" + domain : "") + ( (secure) ? ";secure" : "");
}

function Delete_Cookie(name,path,domain) {
    if (Get_Cookie(name)) document.cookie = name + "=" +
        ( (path) ? ";path=" + path : "") +
        ( (domain) ? ";domain=" + domain : "") +
        ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}


// save referrer URL in a cookie

function ab_savefrom () {
  // If this is the page where you entered the site.
  ab_cookiedate = new Date();
  // cookie will expire in a month
  ab_expdate = new Date(ab_cookiedate.getTime() +2592000000);
  if ( document.referrer.indexOf("sylvina.com/") == -1 ) {
          document.cookie =  Set_Cookie("refme",document.referrer, ab_expdate, "/", ".sylvina.com" , "");
  }
}

// add referrer URL to form so you'll know

function ab_writefromhidden() {
  // document.write cookie contents as hidden form field
   document.write ( "<input type='hidden' name='referrer' value='" + Get_Cookie("refme") +"' />") ;
}

// every page needs to run ab_savefrom()
//onload = ab_savefrom();