function checkenter(e) {
	var et = e || window.event;
	var keycode = et.charcode || et.keycode;
	if (keycode == 13) {
		if (window.event) {
			window.event.returnvalue = false;
		} else {
			e.preventdefault();
		}
	}
}

document.onkeydown = function (e) {
	var ev = document.all ? window.event : e;
	if (ev.keycode == 13) {
		$("#submit").click();
	}
}

$("#submit").click(function () {
	var name = $("#name").val();
	var email = $("#email").val();
	var phone = $("#phone").val();
	var content = $("#content").val();
	$.ajax({
		async: false,
		type: "post",
		datatype: 'json',
		data: { name: name, email: email, phone: phone, content: content },
		url: "/ajax/messages_cn.ashx",
		success: function (data) {
			if (data.code == "ok") {
				alert(data.msg);
				if (data.msg == "留言提交成功，谢谢！") {
					window.location.reload();
				}
			}
		}
	});
});