var requerido = "Campo requerido";
$('#id_contact').validate({
	errorElement: "span",
	errorClass: "error",
	highlight: function(element, errorClass) {
		$(element).addClass(errorClass);
		$(element).fadeOut(function() {
			$(element).fadeIn();
		})
	},
	unhighlight: function(element, errorClass) {
	 $(element).removeClass(errorClass);
	},
	rules: {
	   name: {
	     required: true,
	     minlength: 4,
	     maxlength: 60
	   },
	   email: {
	     required: true,
	     email: true
	   },
	   message: {
	     required: true
	   },
	   subject: {
	     required: true
	   }
	},
	messages: {
	   name: {
	     required: requerido,
	     minlength: "mínimo 4 caracteres"
	   },
	   email: {
	     required: requerido
	   },
	   message: {
	     required: requerido
	   },
	   subject: {
	     required: requerido
	   }
	}
});