求一段JAVASCRIPT代码

<SCRIPT LANGUAGE="JavaScript">
<!-- 
//***********默认设置定义.*********************
tPopWait=1000;//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 {  font-family: ; background-color: #f8f8f3; color:#030303;border: 1px #000000 solid; font-size: ; padding-right: 4px; padding-left: 4px; height: 20px; padding-top: 1px; padding-bottom: 0px; 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.title="按住可以拖动"};
        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><a href=guestbook/index.htm target=_blank title="给我留言<br>换行了没有"> <b>G</b>uest<b>B</b>ook</a>

解决方案 »

  1.   

    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
    "http://www.w3.org/TR/html4/loose.dtd">
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=gb2312">
    <title>无标题文档</title>
    <script language="JavaScript" type="text/JavaScript">
    <!--
    function MM_reloadPage(init) {  //reloads the window if Nav4 resized
      if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
        document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
      else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
    }
    MM_reloadPage(true);
    //-->
    </script>
    </head><body>
    <div id="Layer1" style="position:absolute; width:195px; height:100px; z-index:1; left: 148px; top: 17px;" >
      <table width="197" height="58" border="0" cellspacing="1" bordercolor="#FFFFFF" bgcolor="#999999"  id="Purview2"  style="DISPLAY: none" onMouseMove="aa()"  onMouseOut="bb()">
        <tr>
          <td bgcolor="#CCCCCC"><a href="http://163.com">aaaaa</a></td>
        </tr>
        <tr>
          <td bgcolor="#CCCCCC"><a href="http://163.com">abbbaaaa</a></td>
        </tr>
      </table>
    </div>
    <table bgcolor="#999999">
    <tr>
    <td   onMouseMove="aa()"  onMouseOut="bb()">aaaaaaaaaaaaaaaaaaa</td>
    </tr>
    </table>
    </body>
    </html>
    <script>function aa()
    {
         Purview2.style.display = "";
    }
    function bb()
    {
         Purview2.style.display = "none";
    }
    </script>