我现在需要做一个浮动广告。就像www.sina.com右下角那个层一样的效果。 
  但是有要求,各游览器兼容。跨语言。 
  全部代码都用javascript写,层也要是javascript生成的。 
  我想在层上加几个超链 
  最后只要黏贴代码放到页面最后就能使用的。
  我自己想是用javascript最合适了,但现在我自己做的一个,他不能随滚动条滚动。 
  给个例子让我参考。 
  谢谢

解决方案 »

  1.   


      var width = document.body.clientWidth;
            var height = document.body.clientHeight;        var divWidth = 200;
            var divHeight = 100;
            var div = document.createElement("div");
            div.setAttribute("id", "ShowDiv");
            div.style.zIndex = 99;
            div.style.width = divWidth + "px";
            div.style.height = divHeight+"px";
            div.style.position = "absolute";
            div.style.backgroundColor = "Red";
            div.innerHTML = "HELLO";
                   div.style.top = (height - divHeight) + "px";
           div.style.left = (width - divWidth) + "px";
           document.body.appendChild(div);       window.onresize = function() {
               width = document.body.clientWidth;
               height = document.body.clientHeight;
               var showDiv = document.getElementById("ShowDiv");
               showDiv.style.top = height - divHeight + "px";
               showDiv.style.left = width - divWidth + "px";
           }
           window.onscroll = function() {
           width = document.body.clientWidth;
           height = document.body.clientHeight;
           var showDiv = document.getElementById("ShowDiv");
           showDiv.style.top = height - divHeight + document.body.scrollTop + "px";
           showDiv.style.left = width - divWidth + "px";
           }
      

  2.   

    <!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> new document </title>
      <style>
        a{ text-decoration:none; border:0}
        body,p,span,h1,h2,h3,h4,h5,h6,ul,li,table,tr,th,td,em,div,form,label{ margin:0; padding:0; font-size:12px; font-family:Arial;}
        .message_layer_wrap{ width:195px; border:1px solid #a1ccfe; }
        .message_layer_wrap .message_title{ height:22px; line-height:22px; margin:1px; background:#ebf4fc; color:#626262; }
        .message_title_link{ cursor:hand; cursor:pointer;}
        .message_layer_wrap .message_title .message_title_img{ float:left; padding:4px; line-height:18px;}
        .message_layer_wrap .message_title p{ float:right; padding:5px; line-height:17px;}
        .message_layer_wrap .message_title .message_news{ line-height:22px; float:left; margin:-1px 0 0 0; margin:1px 0 0 0\9;}
        .message_layer_content{ background:url(http://www.cnblogs.com/images/cnblogs_com/jiayin2009/203894/o_message_bg01.gif) no-repeat; width:195px; height:77px;  border-top:1px solid #a1ccfe;}
        .message_layer_content .message_left{ background:url(http://www.cnblogs.com/images/cnblogs_com/jiayin2009/203894/o_message_pic02.gif) no-repeat left 15px;margin:0 0 0 16px; width: 120px; padding:13px 0 0 21px; line-height:18px;}
        .message_layer_content p{ text-align:center; line-height:18px; padding:7px 0 0 0;}
      </style>
     </head> <body>
     <br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/>
     <br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/>
     <br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/>
    <script type="text/javascript">
    var $ = function(id) { return "string" == typeof id ? document.getElementById(id) : id };var isIE = navigator.userAgent.indexOf('MSIE') != -1;var isIE6 = isIE && ([/MSIE (\d)\.0/i.exec(navigator.userAgent)][0][1] == "6");var $d = (document.compatMode == "CSS1Compat") ? document.documentElement : document.body;var addEvent = function(otarget, stype, fnhandler){
        otarget.attachEvent ? otarget.attachEvent("on"+stype, fnhandler) : otarget.addEventListener(stype, fnhandler, false);
    }var CurrentStyle = function(element){
        return element.currentStyle || element.ownerDocument.defaultVeiw(element, null);
    }var Bind = function(object, fun){
        var args = Array.prototype.slice.call(arguments).slice(2);
        return function(){
            return fun.apply(object, args.concat(Array.prototype.slice.call(arguments)));
        }
    }var Extend = function(distination, source){
        for(var property in source){
            distination[property] = source[property];
        }
        return distination;
    }var Class = {
        create: function(){
            return function(){
                this.initialize.apply(this, arguments);
            }
        }
    }
    var ShortMsg = Class.create();
    ShortMsg.prototype = {
        initialize: function(msgbox, options){
            this.MsgBox = $(msgbox);
            this.SetOptions(options);
            this._step = this.options.Step;
            this._speed = this.options.Speed;
            this._timer = null;
        },    SetOptions: function(options){
            this.options = {
                Step:        2,
                Speed:        50    
            };
            Extend(this.options, options || {});
        },    MoveMsgBox: function(){ // 主要是这个函数 在IE6下会有问题
            var self = this;        
            this.ofsHeight = this.MsgBox.offsetHeight;
            self.MsgBox.style.height = 0; // 初始化高度为0
            self._timer = setInterval(function(){
                if(parseInt(self.MsgBox.style.height ,10) < self.ofsHeight){
                    self.MsgBox.style.height = (parseInt(self.MsgBox.style.height, 10) + self._step) + "px"; //在这里追加高度同时减小top值.但在IE6下如果滚动条拖到最下面设置高度为0好像没有用...
                    self.MsgBox.style.top = (parseInt(self.MsgBox.style.top, 10) - self._step) + "px";
                }else{
                    clearInterval(self._timer);
                }
            },self._speed)
        },    ShowMsgBox: function(){
            var iWidth = isIE6 ? ($d.scrollLeft + $d.clientWidth) : $d.clientWidth;
            var iHeight = isIE6 ? ($d.scrollTop + $d.clientHeight) : $d.clientHeight;
            this.MsgBox.style.left = (iWidth - this.MsgBox.offsetWidth) + "px";
            this.MsgBox.style.top = (iHeight  - this.MsgBox.offsetHeight) + "px";
        },    Init: function(){
            this.MsgBox.style.left = ($d.scrollLeft + $d.clientWidth - this.MsgBox.offsetWidth) + "px";
            this.MsgBox.style.top = ($d.scrollTop + $d.clientHeight) + "px";
            this.MsgBox.style.position = !isIE6 ? "fixed" : "absolute";
            if(isIE6){
                addEvent(window, "scroll", Bind(this,this.ShowMsgBox));
            }    
            this.MoveMsgBox();    
            addEvent(window, "resize", Bind(this, this.ShowMsgBox));
        }
    }
    </script>
    <!--wrap start-->
    <div class="message_layer_wrap" id="msgbox" >
    <!--title start-->
        <div class="message_title">
            <div class="message_title_link">
                <div class="message_title_img"><img src="http://www.cnblogs.com/images/cnblogs_com/jiayin2009/203894/o_message_pic05.gif" /></div>
                <div class="message_news">新消息</div>
            </div>
            <p><a href="#"><img src="http://www.cnblogs.com/images/cnblogs_com/jiayin2009/203894/o_chahao.gif" /></a></p>
            <div class="clear"></div>
         </div>
     <!--title end-->
      <!--content start-->
        <div class="message_layer_content">
               <div class="message_left">1111</div>
        </div>
      <!--content end-->
    </div>
    <!--wrap end-->
    <script type="text/javascript">
    <!--
        var SM = new ShortMsg('msgbox');
        SM.Init();
    //-->
    </script>
     </body>
    </html>
      

  3.   

    网上搜索keywords:QQ MSN 右下角广告代码
      

  4.   

    是谁把 我刚回的贴删掉了,这是示例地址:
    http://www.lxasp.com/jquery/demo/floatfixbox/right-bottom-tip-demo3.htm