function SetCookie (name, value) {
	var argv=SetCookie.arguments;
	var argc=SetCookie.arguments.length;
	var expires=(argc > 2) ? argv[2] : null;
	var path=(argc > 3) ? argv[3] : null;
	var domain=(argc > 4) ? argv[4] : null;
	var secure=(argc > 5) ? argv[5] : false;
	document.cookie=name+"="+escape(value)+
		((expires==null) ? "" : ("; expires="+expires.toGMTString()))+
		((path==null) ? "" : ("; path="+path))+
		((domain==null) ? "" : ("; domain="+domain))+
		((secure==true) ? "; secure" : "");
}

function getCookieVal (offset) {
  var endstr = document.cookie.indexOf (";", offset);
  if (endstr == -1)
    endstr = document.cookie.length;
  return  document.cookie.substring(offset, endstr);        //unescape(document.cookie.substring(offset, endstr));
}

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;
}