var FORM_NAME = 'pgeForm';

function findForm()
{
  try
  {
    return eval(FORM_NAME);
  }
  catch(ex)
  {
    alert(ex.description);
    return null;
  }
}

function pgeSort(sortId)
{
  var formObj = findForm();

  try { formObj.sort.value = sortId; } catch(ex) { return; }

  if (formObj != null) { formObj.submit(); }
}

function pgeGoto(pageId)
{
  if (pageId <= 0) return;

  var formObj = findForm();

  try { formObj.page.value = pageId; } catch(ex) { return; }

  if (formObj != null) { formObj.submit(); }
}

function pgeFind(keyword)
{
  if (keyword == '') return;

  var formObj = findForm();

  try { formObj.word.value = keyword; } catch(ex) { }

  try { formObj.page.value = ''; } catch(ex) { }

  try { formObj.sort.value = ''; } catch(ex) { }

  try { formObj.category.value = ''; } catch(ex) { }

  if (formObj != null) { formObj.submit(); }
}