$(function() {

/**
 * Validates a form upon submit.
 */
function validate(id, rules) {
	var returnValue = true;

	for (var i = 0; i < rules.length; i++) {
		var value = $('#' + id).find(':input[name=' + rules[i].field + ']').val();

		for (var j = 0; j < rules[i].rules.length; j++) {
			var rule = rules[i].rules[j];

			if (rule == 'required') {
				if (value == '') {
				
					var selector = '#error_' + rules[i].field + '_required, #error-' + rules[i].field + '-required';
					
					console.log(selector);
				
					var error = $(selector);

					if (error.hasClass('hidden')) {
						error.removeClass('hidden').hide();
					}

					error.fadeIn('normal');

					returnValue = false;

					continue;
				}

				$('#error_' + rules[i].field + '_required').fadeOut('fast');
			}
		}
	}

	return returnValue;
}

var validates = function() {
	return validate($(this).attr('id'), [{"field":"name","label":"Naam","rules":["trim","required"]},{"field":"email_address","label":"E-mailadres","rules":["trim","required","valid_email"]},{"field":"message","label":"Bericht","rules":["trim","required"]}]);
};

$.fn.tempranillo = validates;

$('form#contact').submit(validates);

});