function checkAllFields(ref) {
  var chkAll = document.getElementById('selall');
  var checks = document.getElementsByName('sel[]');
  var viewButton1 = document.getElementById('viewChecked_top');
  var viewButton2 = document.getElementById('viewChecked_bottom');
  var boxLength = checks.length;
  var allChecked = false;
  var totalChecked = 0;
  if ( ref == 1 ) {
    if ( chkAll.checked == true ) {
      for ( i=0; i < boxLength; i++ ) {
        checks[i].checked = true;
      }
    } else {
      for ( i=0; i < boxLength; i++ ) {
        checks[i].checked = false;
      }
    }
  } else {
    for ( i=0; i < boxLength; i++ ) {
      if ( checks[i].checked == true ) {
        allChecked = true;
        continue;
      } else {
        allChecked = false;
        break;
      }
    }
    if ( allChecked == true ) {
      chkAll.checked = true;
    } else {
      chkAll.checked = false;
    }
  }
  for ( j=0; j < boxLength; j++ ) {
    if ( checks[j].checked == true ) {
      totalChecked++;
    }
  }
  viewButton1.value = "View ["+totalChecked+"] Selected";
  viewButton2.value = "View ["+totalChecked+"] Selected";
}