可关闭与最小化的右下角浮动广告代码

2010-09-17 14:29:49 作者：

可关闭或最小化的右下角浮动广告，非常实用啊，现在右下角广告还是比较多的，而且广告效果也还可以，除了用作广告，我们还可将右下角定义为网站广告显示、用户提醒等功能。

很多朋友喜欢带有最小化功能的代码。

<!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> 
<title>可最小化和关闭的右下角浮动窗口</title> 
<meta http-equiv="content-type" content="text/html;charset=gb2312"> 
<style type="text/css"> 
#msg_win{position:absolute;right:0px;display:none;overflow:hidden;z-index:99;border:1px solid #c00;background:#F9EFFC;width:240px;font-size:12px;margin:0px;} 
#msg_win .icos{position:absolute;top:2px;*top:0px;right:2px;z-index:9;} 
.icos a{float:left;color:#FFFFFF;margin:1px;text-align:center;font-weight:bold;width:14px;height:22px;line-height:22px;padding:1px;text-decoration:none;font-family:webdings;} 
.icos a:hover{color:#FFCC00;} 
#msg_title{background:#AC19E3;border-bottom:1px solid #710B97;border-top:1px solid #FFF;border-left:1px solid #FFF;color:#FFFFFF;height:25px;line-height:25px;text-indent:5px;font-weight:bold;} 
#msg_content{margin:5px;margin-right:0;width:230px;height:126px;overflow:hidden;} 
</style> 
</head> 
<body> 
<div style="height:2000px;"></div> 
<div id="msg_win" style="display:block;top:503px;visibility:visible;opacity:1;"> 
<div class="icos"><a id="msg_min" title="最小化" href="javascript:void 0">_</a><a id="msg_close" title="关闭" href="javascript:void 0">×</a></div> 
<div id="msg_title">浮动窗口标题：</div> 
<div id="msg_content">浮动窗口内容：欢迎提出宝贵意见，谢谢！</div> 
</div> 
<script language="javascript"> 
var Message={ 
set: function() {//最小化与恢复状态切换 
var set=this.minbtn.status == 1?[0,1,'block',this.char[0],'最小化']:[1,0,'none',this.char[1],'恢复']; 
this.minbtn.status=set[0]; 
this.win.style.borderBottomWidth=set[1]; 
this.content.style.display =set[2]; 
this.minbtn.innerHTML =set[3] 
this.minbtn.title = set[4]; 
this.win.style.top = this.getY().top; 
}, 
close: function() {//关闭 
this.win.style.display = 'none'; 
window.onscroll = null; 
}, 
setOpacity: function(x) {//设置透明度 
var v = x >= 100 ? '': 'Alpha(opacity=' + x + ')'; 
this.win.style.visibility = x<=0?'hidden':'visible';//IE有绝对或相对定位内容不随父透明度变化的bug 
this.win.style.filter = v; 
this.win.style.opacity = x / 100; 
}, 
show: function() {//渐显 
clearInterval(this.timer2); 
var me = this,fx = this.fx(0, 100, 0.1),t = 0; 
this.timer2 = setInterval(function() { 
t = fx(); 
me.setOpacity(t[0]); 
if (t[1] == 0) {clearInterval(me.timer2) } 
},6);//10 to 6 
}, 
fx: function(a, b, c) {//缓冲计算 
var cMath = Math[(a - b) > 0 ? "floor": "ceil"],c = c || 0.1; 
return function() {return [a += cMath((b - a) * c), a - b]} 
}, 
getY: function() {//计算移动坐标 
var d = document,b = document.body, e = document.documentElement; 
var s = Math.max(b.scrollTop, e.scrollTop); 
var h = /BackCompat/i.test(document.compatMode)?b.clientHeight:e.clientHeight; 
var h2 = this.win.offsetHeight; 
return {foot: s + h + h2 + 2+'px',top: s + h - h2 - 2+'px'} 
}, 
moveTo: function(y) {//移动动画 
clearInterval(this.timer); 
var me = this,a = parseInt(this.win.style.top)||0; 
var fx = this.fx(a, parseInt(y)); 
var t = 0 ; 
this.timer = setInterval(function() { 
t = fx(); 
me.win.style.top = t[0]+'px'; 
if (t[1] == 0) { 
clearInterval(me.timer); 
me.bind(); 
} 
},6);//10 to 6 
}, 
bind:function (){//绑定窗口滚动条与大小变化事件 
var me=this,st,rt; 
window.onscroll = function() { 
clearTimeout(st); 
clearTimeout(me.timer2); 
me.setOpacity(0); 
st = setTimeout(function() { 
me.win.style.top = me.getY().top; 
me.show(); 
},100);//600 mod 100 
}; 
window.onresize = function (){ 
clearTimeout(rt); 
rt = setTimeout(function() {me.win.style.top = me.getY().top},100); 
} 
}, 
init: function() {//创建HTML 
function $(id) {return document.getElementById(id)}; 
this.win=$('msg_win'); 
var set={minbtn: 'msg_min',closebtn: 'msg_close',title: 'msg_title',content: 'msg_content'}; 
for (var Id in set) {this[Id] = $(set[Id])}; 
var me = this; 
this.minbtn.onclick = function() {me.set();this.blur()}; 
this.closebtn.onclick = function() {me.close()}; 
this.char=navigator.userAgent.toLowerCase().indexOf('firefox')+1?['_','::','×']:['0','2','r'];//FF不支持webdings字体 
this.minbtn.innerHTML=this.char[0]; 
this.closebtn.innerHTML=this.char[2]; 
setTimeout(function() {//初始化最先位置 
me.win.style.display = 'block'; 
me.win.style.top = me.getY().foot; 
me.moveTo(me.getY().top); 
},0); 
return this; 
} 
}; 
Message.init(); 
</script> 
</body> 
</html>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

可关闭与最小化的右下角浮动广告代码

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