function setCookie (name, value)
{
 var D = new Date();D.setDate(D.getDate()+1000);
 document.cookie = name + "=" + value + "; expires=" + D.toGMTString();
// document.cookie = name + "=" + escape(value) + "; expires=" + D.toGMTString();
}

function deleteCookie (name)
{
 var D = new Date();D.setDate(D.getDate()-1000);
 document.cookie = name + "= ; expires=" + D.toGMTString();
}

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