用js取得鼠标所在位置的对象_javascript技巧

<title> 取得鼠标所在位置的对象 </title> <meta name="Author" content="宝玉 [url]http://www.nwpubbs.net[/url]"> <table border="1" cellpadding="" cellspacing="" width="" id="table1"><tr> <td>table1</td> </tr></table> <table border="1" cellpadding="" cellspacing="" width="" id="table2"><tr> <td>table2</td> </tr></table> <table border="1" cellpadding="" cellspacing="" width="" id="table3"><tr> <td>table3</td> </tr></table> <table border="1" cellpadding="" cellspacing="" width="" id="table4"><tr> <td>table4</td> </tr></table> <table border="1" cellpadding="" cellspacing="" width="" id="table5"><tr> <td>table5</td> </tr></table> <table border="1" cellpadding="" cellspacing="" width="" id="table6"><tr> <td>table6</td> </tr></table> 鼠标当前在：<span id="show"></span>
[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]