请教鼠标事件

<style type="text/css">
BODY{
FONT-SIZE: 12px;}
</style>
<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><a title="df">fdsf</a>

解决方案 »

  1.   

    多谢大侠！
    只是还有一事不太明白：因为有些表项注解比较多，直接写在title=""中不太现实，能否另存成数组或字符串名，这样title=""就简洁些
      

  2.   

    直接写在title=""中不太现实，能否另存成数组或字符串名
    可以的.<script>
    var arrTitle = new Array();
    arrTitle=["百度网站","Google全球"];
    function linkTitle()
    {
        for(var i=0;i<document.links.length;i++)
        {  
            document.links[i].title=arrTitle[i];
        }
    }
    </script>
    <body onload="linkTitle()">
    <a href="http://www.baidu.com">baidu</a>
    <a href="http://www.google.com">google</a>