// JavaScript Document

function setCookie(c_name,value,expiredays){
  var exdate=new Date();exdate.setDate(exdate.getDate()+expiredays)
  document.cookie=c_name+ "=" +escape(value)+((expiredays==null) ? "" : ";expires="+exdate.toGMTString())
}

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 "";
}