var isValidEmail = true;
var errMessage = "";

function validateEmail( value )
{
	var tfld = document.getElementById(value).value;  // value of field with whitespace trimmed off

	var email = /^[^@]+@[^@.]+\.[^@]*\w\w$/;
	var email2 = /^[A-Za-z][\w.-]+@\w[\w.-]+\.[\w.-]*[A-Za-z][A-Za-z]$/;

	if ((!email.test(tfld)) || (!email2.test(tfld)))
	{
		isValidEmail = false;
		errMessage += "\nAdresa de e-mail invalida.";
	}
	else
		isValidEmail = true;
}

function valid_form()
{
	if( errMessage != "")
		alert( errMessage );

	errMessage = "";
	return isValidEmail;
}