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IE的option的title属性无法显示的替代做法

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<%@ page language="java" import="java.util.*" pageEncoding="utf-8" %>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
   
   
    <title>My JSP 'index.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">   
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
<script type="text/javascript">
function
</script>
  </head>
<body id="myid" title="mytitle">
<select   title="这是提示">
<option title="abc">1</option>
</select>    
  <script   Language="JavaScript">    
  //***********默认设置定义.*********************    
  tPopWait=50;//停留tWait豪秒后显示提示。    
  tPopShow=5000;//显示tShow豪秒后关闭提示    
  showPopStep=20;    
  popOpacity=99;    
  //***************内部变量定义*****************    
  sPop=null;    
  curShow=null;    
  tFadeOut=null;    
  tFadeIn=null;    
  tFadeWaiting=null;    
  document.write("<style   type='text/css'id='defaultPopStyle'>");    
  document.write(".cPopText   {     background-color:   #F8F8F5;color:#000000;   border:   1px   #000000   solid;font-color:   font-size:   12px;   padding-right:   4px;   padding-left:   4px;   height:   20px;   padding-top:   2px;   padding-bottom:   2px;   filter:   Alpha(Opacity=0)}");    
  document.write("</style>");    
  document.write("<div   id='dypopLayer'   style='position:absolute;z-index:1000;'   class='cPopText'></div>");    
   
  function   showPopupText(){    
  var   o=event.srcElement;    
  MouseX=event.x;    
  MouseY=event.y;    
  if(o.alt!=null   &&   o.alt!=""){o.dypop=o.alt;o.alt=""};    
                  if(o.title!=null   &&   o.title!=""){o.dypop=o.title;o.title=""};    
  if(o.dypop!=sPop)   {    
  sPop=o.dypop;    
  clearTimeout(curShow);    
  clearTimeout(tFadeOut);    
  clearTimeout(tFadeIn);    
  clearTimeout(tFadeWaiting);    
  if(sPop==null   ||   sPop=="")   {    
  dypopLayer.innerHTML="";    
  dypopLayer.style.filter="Alpha()";    
  dypopLayer.filters.Alpha.opacity=0;    
  }    
  else   {    
  if(o.dyclass!=null)   popStyle=o.dyclass      
  else   popStyle="cPopText";    
  curShow=setTimeout("showIt()",tPopWait);    
  }    
  }    
  }    
  function   showIt(){    
  dypopLayer.className=popStyle;    
  dypopLayer.innerHTML=sPop;    
  popWidth=dypopLayer.clientWidth;    
  popHeight=dypopLayer.clientHeight;    
  if(MouseX+12+popWidth>document.body.clientWidth)   popLeftAdjust=-popWidth-24    
  else   popLeftAdjust=0;    
  if(MouseY+12+popHeight>document.body.clientHeight)   popTopAdjust=-popHeight-24    
  else   popTopAdjust=0;    
  dypopLayer.style.left=MouseX+12+document.body.scrollLeft+popLeftAdjust;    
  dypopLayer.style.top=MouseY+12+document.body.scrollTop+popTopAdjust;    
  dypopLayer.style.filter="Alpha(Opacity=0)";    
  fadeOut();    
  }    
  function   fadeOut(){    
  if(dypopLayer.filters.Alpha.opacity<popOpacity)   {    
  dypopLayer.filters.Alpha.opacity+=showPopStep;    
  tFadeOut=setTimeout("fadeOut()",1);    
  }    
  else   {    
  dypopLayer.filters.Alpha.opacity=popOpacity;    
  tFadeWaiting=setTimeout("fadeIn()",tPopShow);    
  }    
  }    
  function   fadeIn(){    
  if(dypopLayer.filters.Alpha.opacity>0)   {    
  dypopLayer.filters.Alpha.opacity-=1;    
  tFadeIn=setTimeout("fadeIn()",1);    
  }    
  }    
  document.onmouseover=showPopupText;    
  </script>
</body>     
</html>
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