function removeLogoutFromUrl(address) {
  var addressTokens = address.split('?')
  address = addressTokens[0]
  if (addressTokens[1]) {
    addressTokens = addressTokens[1].split('&')
    var firstToken = true
    for (x in addressTokens) {
      if (addressTokens[x] == 'logout=Y') continue
      if (firstToken) {
        firstToken = false
        address = address + '?'
      } else address = address + '&'
      address = address + addressTokens[x]
    } // end for tokens
  } // end if tokens
  return address
} // end function removeLogoutFromUrl

function addLogoutToUrl(address) {
  if (address.indexOf('?') >= 0) return address + '&logout=Y'
  else return address + '?logout=Y'
} // end function addLogoutToUrl

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 "";
}