你说的好象不太可能实现
要是不写这个title
就没有触发的事件

解决方案 »

  1.   

    <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: #993300;color:#FFFFFF; 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;
    var o = document.getElementById("lrrq");
    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="点击日期输入框,然后选择日期";
    //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><html>
    <head>
    <meta http-equiv="Content-Language" content="zh-cn">
    <meta name="GENERATOR" content="Microsoft FrontPage 5.0">
    <meta name="ProgId" content="FrontPage.Editor.Document">
    <meta http-equiv="Content-Type" content="text/html; charset=gb2312">
    <title></title>
    </head>
    <body bgcolor="#E8F1F9">
    <table border="0" cellpadding="0" cellspacing="0" style="border-collapse: collapse" bordercolor="#666666" width="100%" id="AutoNumber1"> 
     <form method="POST"  name="reg" >
    <tr>
              <td width="24%" align="right" height="19"><b><font size="2">录入日期:</font></b></td>
              <td width="76%" height="19">
              <input name="lrrq" id="lrrq"  size="20" onmouseover="showPopupText()"><!-- 给input加个ID -->
      </td>
            </tr>
        
      </form>
    </table>
    </body>
    </html>
      

  2.   

    <script>
    //***********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: #993300;color:#FFFFFF; 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=document.getElementById("lrrq");
    MouseX=event.x;
    MouseY=event.y;
    sPop="点击日期输入框,然后选择日期";
    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);
    }
    }
    function fadeIn1(){
    if(dypopLayer.filters.Alpha.opacity>0) {
    dypopLayer.filters.Alpha.opacity-=100;
    tFadeIn=setTimeout("fadeIn()",1);
    }
    }</script>
     <form method="POST"  name="reg" >
    <table border="0" cellpadding="0" cellspacing="0" style="border-collapse: collapse" bordercolor="#666666" width="100%" id="AutoNumber1" >  
              <input name="lrrq"   size="20" id="lrrq" onmouseover=showPopupText() onmouseout=fadeIn1()>
        
      </form>
    时间 比较紧  随便改改
    但是还可以达到效果