js链接确认提醒功能

<html>

<head>

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>

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

//www.gxlcms.com

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]