$(document).ready(function() { 

	$('#contactForm').ajaxForm({ 
		target: '#formResult', 
		beforeSubmit:  validate,
		clearForm: true,
		resetForm: true,
		success: function() { 
			$('#formResult').fadeIn('slow'); 
		}
	});

});

function validate(formData, jqForm, options) { 
		
		for (i=0; i<formData.length-1; i++) {
			if (!formData[i].value) {
				$('#formResult').hide();
				$('#formResult').html('<p>Niet alle verplichte velden ingevuld.</p>');
				$('#formResult').fadeIn('slow'); 
				return false;
			}
		}	
		
		var form = jqForm[0];
		
		if (!isValidEmail(form.email.value)) {
			$('#formResult').hide();
			$('#formResult').html('<p>E-mail adres is ongeldig.</p>');
			$('#formResult').fadeIn('slow'); 
			return false;
		}
	
}

function isValidEmail(email) {
   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
   return reg.test(email);
}