Bmail联系人飞来飞去效果

好久没来了。本来想利用此贴写一些关于表现，行为和结构分离的东西，但是一直没什么时间，而且这段代码写的很匆忙，所以只好另找时间了。代码在IE6,Firefox1.7,Opera9下运行了一下应该没什么错误，如果有什么问题的话希望大家可以提出来。
其中fly函数块借鉴了Bmail的代码

<html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>博客邮箱飞来飞去效果演示</title> <script type="text/javascript">     var ev={};     var flyDiv="bxAddrFly";//发送的层     var inceptDiv="SendAddress";//负责接收层效果的控件     var addEvent="addAddress()";//层发送成功后的接收事件     function oo(obj){return (document.getElementById) ? document.getElementById(obj): document.all[obj];}     function isNone(str){return str==null||str==""?true:false}     //=================兼容Firefox/Event=================     //因为要将表现与行为分离所在此处浪费了很多代码     var Browser = new Object();     Browser.isFirefox = (navigator.userAgent.toLowerCase().indexOf("firefox")!=-1);     if (Browser.isFirefox) { extendEventObject();}     function extendEventObject() {              window.constructor.prototype.__defineGetter__("event", function(){         var o = arguments.callee.caller;         var e;         while(o != null){             e = o.arguments[0];             if(e && (e.constructor == Event || e.constructor == MouseEvent)) return e;             o = o.caller;         }         return null;         });                  Event.prototype.__defineGetter__("srcElement", function () {             var node = this.target;             while (node.nodeType != 1) node = node.parentNode;             return node;         });         }     window.onload = function(){         var addrTree = oo('tbAddrTree');         addrTree.onmouseover = function(){addrTree_event(event)};         addrTree.onmouseout = function(){addrTree_event(event)};         addrTree.onclick = function(){addrTree_event(event)};     }     function addrTree_event(e){             var memberID,tr         var ee = e.srcElement;          if(ee.tagName=="A"&&e.type=="mouseover"){ee.style.textDecoration="underline"}         if(ee.tagName=="A"&&e.type=="mouseout"){ee.style.textDecoration=""}         if(e.type=="click"&&e.srcElement.tagName=="A"){                         var li=ee.parentNode.parentNode;             ev.AddInfo="\""+li.getAttribute("memberName")+"\"<\""+li.getAttribute("email")+"\">"             oo(flyDiv).innerHTML=li.getAttribute("memberName");             addrTree_add(e.clientX,e.clientY)         }     }     function addrTree_add(ex,ey){         if(oo(flyDiv).style.display=='none'){oo(flyDiv).style.display=''}         //此处获取控件的坐标         var inceptE = oo(inceptDiv);         var inceptEX = inceptE.offsetTop;            var inceptEY = inceptE.offsetLeft;            while(inceptE = inceptE.offsetParent){             inceptEX += inceptE.offsetTop;                inceptEY += inceptE.offsetLeft;            }         ev.flyArr=new Array(ex,ey,inceptEX,inceptEY,10);         fly(flyDiv,addEvent);     }     //     function fly(flyObj,flyRun){         var obj,a=ev.flyArr,x,y         if(flyObj!=null){             if(ev.flyObj!=null){                 window.clearTimeout(ev.flyTm);                 ev.flyObj.style.top=-900;             }             a[5]=0;             ev.flyObj=oo(flyObj);             ev.flyRun=flyRun;         }                  obj=ev.flyObj;         if(a[4]==null){a[4]=1}         a[5]+=a[4]/Math.sqrt(Math.pow(a[2]-a[0],2)+Math.pow(a[3]-a[1],2));         if(a[5]>1){             obj.style.top=-900;             eval(ev.flyRun);             ev.flyObj=null;             return;         }                  window.clearTimeout(ev.flyTm);         x=(a[2]-a[0])*a[5]+a[0];         y=(a[3]-a[1])*a[5]+a[1];         obj.style.left=x;         obj.style.top=y;         document.body.style.overflowX="hidden";             ev.flyTm=window.setTimeout("fly()",10)     }     //事件处理     function addAddress()     {         var key=ev.AddInfo;         if (oo(inceptDiv).value.indexOf(key)==-1)         {             oo(inceptDiv).value+=key+",";         }     } </script> <style type="text/css"> ul{ list-style:none; margin:0; padding:0;} li{ margin:0; padding:0;} #content{width:100%;} #sendmail{float:left; width:60%;} #friendlist{float:left; width:30%;} #bxAddrFly{position:absolute;height:15px; width:50px;background:#e5edf6; border:1px #7F9DB9 solid;} #tbAddrTree{ width:190px; float:left; padding:4px;border:1px #7F9DB9 solid;} #tbAddrTree li{ width:100%; float:left;} #tbAddrTree a{backgroud: #fff;width: 100%;color:#494949;text-decoration: none;float:left;} #tbAddrTree a:hover{background: #e5edf6} </style> </head> <body> <div id="content">   <div id="sendmail">     <input name="textfield" type="text" id="SendAddress" size="70">   </div>   <div id="friendlist">     <div id="tbAddrTree">       <ul>         <li membername="test0" email="test0@163.com"><nobr><a>test0</a></nobr></li>         <li membername="test1" email="test1@163.com"><nobr><a>test1</a></nobr></li>         <li membername="test2" email="test2@163.com"><nobr><a>test2</a></nobr></li>         <li membername="test3" email="test3@163.com"><nobr><a>test3</a></nobr></li>         <li membername="test4" email="test4@163.com"><nobr><a>test4</a></nobr></li>         <li membername="test5" email="test5@163.com"><nobr><a>test5</a></nobr></li>         <li membername="test6" email="test6@163.com"><nobr><a>test6</a></nobr></li>         <li membername="test7" email="test7@163.com"><nobr><a>test7</a></nobr></li>       </ul>     </div>     <div id="bxAddrFly" style="display:none;">&nbsp;</div>   </div> </div> </body> </html>

[Ctrl+A 全选注:引入外部Js需再刷新一下页面才能执行]

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Bmail联系人飞来飞去效果

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