function formatFormCadastro(checkbox)
{
	if(checkbox.getAttribute('id') == 'input_beta_tester')
	{
		document.getElementById('input_lancamento').checked = '';
	}
	else
	{
		document.getElementById('input_beta_tester').checked = '';
	}
}

function trim(str)
{
	return str.replace(/^\s+|\s+$/g,"");
}

function validateDate(dateStr, format) {
   if (format == null) { format = "MDY"; }
   format = format.toUpperCase();
   if (format.length != 3) { format = "MDY"; }
   if ( (format.indexOf("M") == -1) || (format.indexOf("D") == -1) || (format.indexOf("Y") == -1) ) { format = "MDY"; }
   if (format.substring(0, 1) == "Y") { // If the year is first
      var reg1 = /^\d{2}(\-|\/|\.)\d{1,2}\1\d{1,2}$/
      var reg2 = /^\d{4}(\-|\/|\.)\d{1,2}\1\d{1,2}$/
   } else if (format.substring(1, 2) == "Y") { // If the year is second
      var reg1 = /^\d{1,2}(\-|\/|\.)\d{2}\1\d{1,2}$/
      var reg2 = /^\d{1,2}(\-|\/|\.)\d{4}\1\d{1,2}$/
   } else { // The year must be third
      var reg1 = /^\d{1,2}(\-|\/|\.)\d{1,2}\1\d{2}$/
      var reg2 = /^\d{1,2}(\-|\/|\.)\d{1,2}\1\d{4}$/
   }
   // If it doesn't conform to the right format (with either a 2 digit year or 4 digit year), fail
   if ( (reg1.test(dateStr) == false) && (reg2.test(dateStr) == false) ) { return false; }
   var parts = dateStr.split(RegExp.$1); // Split into 3 parts based on what the divider was
   // Check to see if the 3 parts end up making a valid date
   if (format.substring(0, 1) == "M") { var mm = parts[0]; } else 
      if (format.substring(1, 2) == "M") { var mm = parts[1]; } else { var mm = parts[2]; }
   if (format.substring(0, 1) == "D") { var dd = parts[0]; } else 
      if (format.substring(1, 2) == "D") { var dd = parts[1]; } else { var dd = parts[2]; }
   if (format.substring(0, 1) == "Y") { var yy = parts[0]; } else
      if (format.substring(1, 2) == "Y") { var yy = parts[1]; } else { var yy = parts[2]; }
   if (parseFloat(yy) <= 50) { yy = (parseFloat(yy) + 2000).toString(); }
   if (parseFloat(yy) <= 99) { yy = (parseFloat(yy) + 1900).toString(); }
   var dt = new Date(parseFloat(yy), parseFloat(mm)-1, parseFloat(dd), 0, 0, 0, 0);
   if (parseFloat(dd) != dt.getDate()) { return false; }
   if (parseFloat(mm)-1 != dt.getMonth()) { return false; }
   return true;
}

function validateEmail(field, alerttxt)
{
	with (field)
	{
		format = /^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$/;
		if (!format.test(trim(value)))
		{
			alert(alerttxt);
			return false;
		}
		else 
		{
			return true;
		}
	}
}

function validaFormCadastro()
{
	var thisform = document.getElementById('formulario');

	with (thisform)
	{
		if(input_beta_tester.checked == input_lancamento.checked)
		{
			alert('Indique se deseja ser um beta tester!');
			return false;
		}

		if(!validateEmail(input_email, 'E-mail Incorreto!'))
		{
			input_email.focus();
			return false;
		}
	}

	return true;
}

function validaFormRegistroUsuarios()
{
	var thisform = document.getElementById('formRegistroUsuarios');

	with (thisform)
	{
		if(!validateDate(data.value, 'DMY'))
		{
			alert('Data Incorreta!');
			data.focus();
			return false;
		}
	}

	return true;
}