function show_hide_save_as()
{
  if (document.getElementById('tsgSearchForm_is_save_cb')){
	var st = $('tsgSearchForm_is_save_cb').checked;
	if(st)
	{
		Element.setStyle($('save_input'), {visibility: 'visible'});
		$('tsgSearchForm_save_input_field').disabled = false;
		$('tsgSearchForm_save_input_field').focus();
	}
	else
	{
		Element.setStyle($('save_input'), {visibility: 'hidden'});
		$('tsgSearchForm_save_input_field').disabled = true;
		$('tsgSearchForm_save_input_field').value = "";
	}
  }
}
Event.observe(window, 'load', function(){show_hide_save_as();}, false);