var patternNoBlank = /.+/;
var patternMail = /^(.+)@(.+)$/;

function validateNotBlank(field)
{
	var ok = false;
	
	if (field != null)
	{
		ok = validateString(field, patternNoBlank);
	}
	
	return ok;
}

function validateEmail(field)
{
	var ok = false;

	if (field != null)
	{
		ok = validateString(field, patternMail);
	}

	return ok;	
}

function validateString(str, pattern) 
{
	return pattern.test(str);
}