『研究』如何实现鼠标点击链接时出现链接介绍，顺便送一个BT下载电影的好网址！

Question

用层实现,mouseover事件中显示层,mouseout隐藏层

Answer 1

<a href="#" title="介绍">链接</a>

Answer 2

<a href="#" title='电影标题:****</br>主演:***</br>下载地址:<a href="#">下载</a>'>电影</a><script>
//***********默认设置定义.*********************
tPopWait=50;//停留tWait毫秒后显示提示。
tPopShow=5000;//显示tShow毫秒后关闭提示
showPopStep=20;
popOpacity=70;//***************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;
        //在这里设置..可以做出各种各样的效果.
        dypopLayer.innerHTML="<font color=red><b>"+sPop+"</b></font>";
        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>

Answer 3

楼上的，谢谢你了，但是，我对javascript了解不多，你能不能做个简单的应用范例？谢谢！～！