function validate_required(field)
{
with (field)
{
if (value==null||value=="")
  {return false;}
else {return true}
}
}

function validateSearch(thisform)
{
	with (thisform)
	{
		if (validate_required(s)==false)
		{
			return false;
		}
		else if(thisform.s.value == "Pesquisar...")
		{
			return false;
		}
	}
}