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

function getCookie(name)
{
   var nameOfCookie = name + "=";
   var x = 0;
   while(x <= document.cookie.length)
   {
      var y = (x+nameOfCookie.length);
      if (document.cookie.substring(x,y) == nameOfCookie)
      {
          if ((endOfCookie=document.cookie.indexOf(";",y)) == -1)
              endOfCookie = document.cookie.length;
          return unescape(document.cookie.substring(y,endOfCookie));
      }
      x = document.cookie.indexOf(" ",x) + 1;
      if (x == 0) break;
   }
   return "";
}