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<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>