function SetCookie (name, value)    {
   var argv = SetCookie.arguments;
   var argc = SetCookie.arguments.length;
   var expires = (argc > 2) ? argv[2] : null;
   var path = "/";
   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 SetTheCookie()   {
   if(document.forms[0].elements[0].value.length != 0)        {
      var expdate = new Date ();
      expdate.setTime(expdate.getTime() + (24 * 60 * 60 * 1000 * 365));
      SetCookie('DemoName', document.forms[0].elements[0].value, expdate);
      alert('Cookie has been set to ' + document.forms[0].elements[0].value + '.');
      document.forms[0].elements[0].value = " ";
            return false;
      }    else       {
      alert('You must sign-in first.');
      return false;
      }
   }

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)    {
   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 "";
   }