右下角显示窗口

<style>
#msg_win{
border:1px solid #A67901;
background:#EAEAEA;
240px;
position:absolute;right:0;
font-size:12px;font-family:Arial;
margin:0px;
display:none;
overflow:hidden;
z-index:99;
}
#msg_win .icos{
position:absolute; top:2px;
*top:0px;right:2px;
z-index:9;
}
.icos a{
float:left;
color:#833B02;margin:1px;
text-align:center;font-weight:bold;
14px;height:22px;line-height:22px;padding:1px;
text-decoration:none;
font-family:'webdings';
}
.icos a:hover{color:#fff; }
#msg_title{
background:#FECD00 url(bar_bg.gif) repeat-x 0 100%;
border-bottom:1px solid #A67901;
border-top:1px solid #FFF;
border-left:1px solid #FFF;
color:#000;height:25px;line-height:25px; 
text-indent:5px;
}
#msg_content{
margin:5px;
margin-right:0;
230px;
height:126px;
overflow:hidden;
}

</style>  

 <script type="text/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[0];
  this.content.style.display =set[2];
  this.minbtn.innerHTML =set[3]
  this.minbtn.title = set[4];
  
  if(set[0]==1)
  {
      this.win.style.top = Number(this.getY().top.substring(0,this.getY().top.length-2))+185+'px';
      this.win.style.height = 25+'px';
  }
  else
  {
      this.win.style.top = Number(this.getY().top.substring(0,this.getY().top.length-2))-175+'px';
      this.win.style.height = 202+'px';
  }
 },
 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) }
  },10);
 },
 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();
   }
  },10);
 },
 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();
   },600);
  };
  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=document.createElement('DIV');
  this.win.style.width=410;
  this.win.style.height=202;
  this.win.id="msg_win";
  this.win.innerHTML='<div class="icos"><a href="javascript:void 0" title="最小化" id="msg_min">0</a><a href="javascript:void 0" title="关闭" id="msg_close">r</a></div><div id="msg_title">温馨提示</div><div id="msg_content"></div>';
  document.body.appendChild(this.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);
  },500);
  return this;
 }
};
Message.init();
Message.title.innerHTML = '个人买房小助手';
Message.content.style.width="400";
Message.content.style.height="165";
Message.content.innerHTML = '<a href="Hddt.aspx" target="soft"><img width="400" height="165" src="../Images/Soft/book.jpg" border=0 alt="" title="个人买房小助手 "></a>';
</script>