function showMenu(div_id) {
    var dis1 = 'none';
    var dis2 = 'none';
    var dis3 = 'none';
    var dis4 = 'none';
    var dis5 = 'none';
    var dis6 = 'none';
	if(div_id == 'listOne') {
		dis1 = '';
	}
	if(div_id == 'listTwo') {
		dis2 = '';
	}
	if(div_id == 'listThree') {
		dis3 = '';
	}
	if(div_id == 'listFour') {
		dis4 = '';
	}
	if(div_id == 'listFive') {
		dis5 = '';
	}
	if(div_id == 'listSix') {
		dis6 = '';
	}
	document.getElementById('listOne').style.display = dis1;
	document.getElementById('listTwo').style.display = dis2;
	document.getElementById('listThree').style.display = dis3;
	document.getElementById('listFour').style.display = dis4;
	document.getElementById('listFive').style.display = dis5;
	document.getElementById('listSix').style.display = dis6;
}
function hideMenu(div_id) {
	document.getElementById(div_id).style.display = 'none';
}

function onCardSubmit(id) {
	var nick_name = $.trim($('#nick_name').val());
	var word = $.trim($('#word').val());
	var friend = $.trim($('#friend').val());
	var sender = $.trim($('#sender').val());
	var sender_mail = $.trim($('#sender_mail').val());
	var receiver = $.trim($('#receiver').val());
	var receiver_mail = $.trim($('#receiver_mail').val());
	
	if(word == '' || word == '请输入你想对好友说的话' ) {
		alert('请输入你想对好友说的话');
		return;
	}
	if(sender == '') {
		alert('请输入发送者姓名');
		return;
	}
	if(sender_mail == '') {
		alert('发送者E-mail');
		return;
	} else if(!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(sender_mail))){
		alert('您输入的E-mail格式不正确，请重新输入');
		return;
	}
	if(receiver == '') {
		alert('请输入收件者姓名');
		return;
	}
	if(receiver_mail == '') {
		alert('收件者E-mail');
		return;
	} else if(!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(sender_mail))) {
		alert('您输入的E-mail格式不正确，请重新输入');
		return;
	}
	$.post("/ajax/card.php", {
		id : id, nick_name : nick_name, word : word, friend : friend, sender : sender, sender_mail : sender_mail, receiver : receiver, receiver_mail : receiver_mail
	}, function(result) {
		if(result) {
			document.card.reset();
			$('#result').show();
		} else {
			alert('非常抱歉，系统发生错误，请稍候再试');
		}
	});
}