function fValidaBuscaAvancada()
{
  var form = document.frmBuscaAvancada;
  var bParam = false;
  
  if (form.q.value != "")
  {
	  bParam = true;
	}
	
	if (form.d.value != "0")
  {
	  bParam = true;
	}
	
	if (form.v1.value != "")
  {
	  bParam = true;
	}
	
	if (form.v2.value != "")
  {
	  bParam = true;
	}
	
	if (form.p.checked)
  {
	  bParam = true;
	}
	
	if (form.l.checked)
  {
	  bParam = true;
	}
	
	if (form.fg.checked)
  {
	  bParam = true;
	}
	
	if (!bParam)
	{
		alert("Por favor preencha um ou mais filtros para realizar a busca");
		return false;
	}
	else 
	{
		return true;
	}
}