function noticeon()
{
  flag = getCookie('nflag')
  if (flag=="off")
  {
    document.getElementById('notice').style.visibility='hidden'
  }
  else 
  {
    document.getElementById('notice').style.visibility='visible'
  }
}

function noticeoff()
{
  document.getElementById('notice').style.visibility='hidden'
}

function setCookie(c_name,value)
{
  document.cookie=c_name+ "=" +escape(value)+ "; path=/"
}

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 ""
}