$(function() {
	$('#theForm').validate({
		errorPlacement: function(error, element) { },	
	  highlight: function(element, errorClass) {
	     $(element).prev().addClass('required');
	  },
	  unhighlight: function(element, errorClass) {
	     $(element).prev().removeClass('required');
	  },		
		rules: { 
			f_lastname: { required: true },
			f_firstname: { required: true },
			f_email: { required: true, email: true },
			f_commentaire: { required: true }
    },submitHandler: function(form) {
					$(form).ajaxSubmit({
	            		target: '#response'
	        		});
				
					return false;
				}
	});
});