js链接确认提醒功能

<html> <head> <script type="text/javascript"> function S（i）{return document.getElementById（i）} function copyUrl（）{//复制网址 var clipBoardContent=S（"downloadDirect"）.href; try{ window.clipboardData.setData（"Text",clipBoardContent）; alert（"复制成功！"）; }catch（e）{ alert（"复制失败！"）; } } document.onclick = function（evt）{//在不是连接的位置单击时,隐藏 显示的层 var _target = evt ？ evt.target : event.srcElement ; var _id = _target.id; if（ _id == "" ）{ _id = _target.tagName; } if（ _id ！="A"）{ S（"downloadPanel"）.style.display = "none"; } } window.onload=function（）{//网页载入时,绑定指定对象下的所有a var xx=S（"xx"）; var xxx = xx.getElementsByTagName（"a"）; for（var i=0,j=xxx.length; i<j; i++）{ xxx[i].onclick=function（evt）{ var _event = evt ？ evt : window.event; var _target = evt ？ evt.target : window.event.srcElement; var _p = S（"downloadPanel"）; _p.style.top = _event.clientY + document.body.scrollTop ; _p.style.left = （ _event.clientX + document.body.scrollLeft < 160 ？ _event.clientX + document.body.scrollLeft + 10 : _event.clientX + document.body.scrollLeft - 120 ）; S（"downloadPanel"）.style.display = ""; S（"downloadDirect"）.href= this.href; return false; } } } </script> <style type="text/css"> html,body{ font-size:12px;} a {color:#4d5d2c;text-decoration:underline;cursor:pointer;} .pointer {cursor:pointer;} .infobar {background:#fff9e3;border:1px solid #fadc80;color:#743e04;margin-bottom:10px;padding:8px 20px 4px 20px;} </style> </head> <body>打开网址  复制  关闭 http://www.baidu.com http://www.jb51.net http://www.163.com http://www.sina.com http://www.qq.com</body> </html>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]