function setCookie(c_name,value,expiredays)
{
var ExpDate = new Date ();
ExpDate.setTime(ExpDate.getTime() + (3 * 24 * 3600 * 1000));
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+ExpDate.toUTCString());
}

function getCookie(c_name)
{
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=");
  if (c_start!=-1)
    {
    c_start=c_start + c_name.length+1;
    c_end=document.cookie.indexOf(";",c_start);
    if (c_end==-1) c_end=document.cookie.length;
    return unescape(document.cookie.substring(c_start,c_end));
    }
  }
return "";
}

setCookie("test", "test", 1);