var loc = "";

function goToPm ()  {
  var f = document.dateform;
  var year = f.year.options[f.year.selectedIndex].value;
  var month = f.month.options[f.month.selectedIndex].value;
  loc = year +  month + ".html";
  return false;
}


function goToFnIndex () {
  var f = document.firstform;
  var page = f.first.options[f.first.selectedIndex].value;
  loc =  page + '.html';
  top.location.href= loc;
  return false;
}

function goToLnIndex () {
  var f = document.lastform;
  var page = f.last.options[f.last.selectedIndex].value;
  loc =  page + '.html';
  top.location.href= loc;
  return false;
}

function goToPmoy ()  {
  var f = document.pmoyform;
  var page = f.pmoy.options[f.pmoy.selectedIndex].value;
  loc = page + '.html';
  return false;
}