$(document).ready(function() {
	var validator = $(".contacto").validate({		

		rules: {
			nombre: "required",
			email: {required:true, email:true},
			telefono: "required",
			empresa: "required",
			mensaje: "required"
		},
		messages: {
			nombre: "",
			email: {required:"",email:""},
			telefono: "",
			empresa: "",
			mensaje: ""
		},

		// the errorPlacement has to take the table layout into account

		errorPlacement: function(error, element) {
			if ( element.is(":radio") )
				error.appendTo( element.parent().next().next() );
			else if ( element.is(":checkbox") )
				error.appendTo ( element.next() );
			else {
				error.appendTo( element );
				}
		},

		// set this class to error-labels to indicate valid fields
		success: function(label) {
			// set   as text for IE
			label.html(" ").addClass("checked");
		}
	});
 });