var MyURL = new Array("www.olt.ru","otl.ru","localhost");
function getCookieVal (offset) {
  var endstr = document.cookie.indexOf (";", offset);
  if (endstr == -1)
   endstr = document.cookie.length;
  return unescape(document.cookie.substring(offset, endstr));
}
function GetCookie (name,def)
{
  var arg = name + "=";
  var alen = arg.length;
  var clen = document.cookie.length;
  var i = 0;
  while (i < clen)
  {
    var j = i + alen;
    if (document.cookie.substring(i, j) == arg)
      return getCookieVal (j);
    i = document.cookie.indexOf(" ", i) + 1;
    if (i == 0) 
     break; 
  }
  return def;
}
function SetCookie(name,value)
{
  var argv = SetCookie.arguments;
  var argc = SetCookie.arguments.length;
  var path = (2 < argc) ? ("; path="+argv[2]) : ("");
  var expdate = new Date();
  expdate.setTime(expdate.getTime()+(5*365*24*60*60*1000)); 
  s = name + "=" + escape(value) + "; expires=" + expdate.toGMTString() + path;
  document.cookie = s;
}
function GetReferer()
{
  var ref=document.referrer;
  var Serv,Pos1,Pos2;
  if (ref.length!=0)
  {
    Pos1=ref.indexOf("//");
    Pos2=ref.indexOf("/",Pos1+2);
    if (Pos1!=-1)
    {
        if (Pos2!=-1) Serv=ref.substring(Pos1+2, Pos2);
        else Serv=ref.substring(Pos1+2, ref.length);
        return Serv;
    }
  }
  return "";
}
function TestServURL()
{
  var ServRef=GetReferer();
  for (i=0;i<MyURL.length;i++) 
    if (ServRef.toUpperCase()==MyURL[i].toUpperCase()) return;
  SetCookie("referer",document.referrer);
}
TestServURL();