Window.event.SrcElement
例题：
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<style type="text/css">
.red{color:Red;font-size:x-large;}
</style>
<script type="text/javascript" src="../Scripts/jquery-1.4.1.min.js"></script>
<script type="text/javascript">
$(function () {
$(document).click(function () {
if (window.event.srcElement.outerText=="删除"||window.event.srcElement.value=="删除") {
alert("点击了删除按钮");
if (window.event.srcElement.tagName=="IMG") {
alert("点击了图片");
}
});
});
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<img src="#" width="100px" height="100px"/>
<a href="#">删除</a>
<input type="button" id="btnDel" value="删除"/>
</div>
</form>
</body>
</html>
