Jquery 点击按钮显示和隐藏层

不好意思,刚刚发了一个类似的效果,发现代码比较多,而却还有一个bug,现在修正了,特出代码:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head runat="server">

<title></title>

<script type="text/javascript" src="../Javascript/jquery-1.6.js"></script>

<style type="text/css">

#choice_list_district{ height:50px;}

#tab td{cursor:pointer;}

</style>

<script type="text/javascript">

$(function () {

//绑定事件处理

$("#choice_list_district a").click(function (e) {

if ($("#divObj").css("display") == "none") {

e.stopPropagation();

//设置弹出层位置

var offset = $(e.target).offset();

//设置弹出层位置在点击的下面

$("#divObj").css({ top: offset.top + $(e.target).height() + "px", left: offset.left });

$("#divObj").show();

}

else {

$("#divObj").hide();

}

});

//单击空白区域隐藏弹出层

$(document).click(function (event) { $("#divObj").hide(); });

//单击弹出层则自身隐藏

//$("#divObj").click(function (event) { $("#divObj").hide(speed) });

$("#tab tr td").click(function (event) {

$("#aaa").val($(this).html());

});

});

</script>

</head>

<body>

<form />

</div>

</div>

</form>

</body>

</html>