function searchfocus(defval) {
  if (document.getElementById('searchfield').value == '' || document.getElementById('searchfield').value == defval ) {
    document.getElementById('searchfield').value = '';
  }
}
function searchblur(defval) {
  if (document.getElementById('searchfield').value == '' ) {
    document.getElementById('searchfield').value = defval;
  };
  
}