function getCookieVal (offset) {

  var endstr = document.cookie.indexOf (";", offset);

  if (endstr == -1)

    endstr = document.cookie.length;

  return unescape(document.cookie.substring(offset, endstr));

}


function FixCookieDate (date) {

  var base = new Date(0);

  var skew = base.getTime(); // dawn of (Unix) time - should be 0

  if (skew > 0)  // Except on the Mac - ahead of its time

    date.setTime (date.getTime() - skew);

}


function GetCookie (name) {

  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 null;

}


function SetCookie (name,value,expires,path,domain,secure) {

  document.cookie = name + "=" + escape (value) +

    ((expires) ? "; expires=" + expires.toGMTString() : "") +

    ((path) ? "; path=" + path : "") +

    ((domain) ? "; domain=" + domain : "") +

    ((secure) ? "; secure" : "");

}



function DeleteCookie (name,path,domain) {

  if (GetCookie(name)) {

    document.cookie = name + "=" +

      ((path) ? "; path=" + path : "") +

      ((domain) ? "; domain=" + domain : "") +

      "; expires=Thu, 01-Jan-70 00:00:01 GMT";

  }

}