// submit Concordance form, with AJAX, if available
function submitConcordance() {
  if(ajaxSelf('ajax', 'keywords='+escape(document.getElementById('keywords').value)))  // attempt AJAX
    return false;
  else
    return true;  // no AJAX, just submit form
}

// submit matching words form
function submitMatches() {
  var out = '';

  var frm = document.getElementById('matches');
  for(var j=0; j<frm.elements.length; j++)
    if(frm.elements[j].checked)
      out += (out.length>0?'&':'')+escape(frm.elements[j].name)+'='+escape(frm.elements[j].value);

  if(ajaxSelf('ajax', 'keywords='+escape(document.getElementById('keywords').value)+'&'+out))  // attempt AJAX
    return false;
  else
    return true;  // no AJAX, just submit form
}