js鼠标移动在title中显示图片的效果代码

  作者:bea

1.js代码 代码如下: //***********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;
1.js代码


代码如下:


//***********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 { line-break : normal;word-break : break-all ; background-color: #FEFCF3;color:#000000; border: 1px #E7B68C solid;padding-top: 2px; padding-right: 4px; padding-left: 4px; padding-bottom: 2px;font-size: 12px;width:468px; 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;


2.html代码包含js代码即可,使用范例
具体的看给出的测试代码。



<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>

<script type="text/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 { line-break : normal;word-break : break-all ; background-color: #FEFCF3;color:#000000; border: 1px #E7B68C solid;padding-top: 2px; padding-right: 4px; padding-left: 4px; padding-bottom: 2px;font-size: 12px;width:468px; 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>
</head>
<body>
测试中心,测试代码。理论上应该没问题了
<br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>
<a href="http://s." target="_blank" title="<img src=http://img./imgby/server468.gif width=468 height=60 />">大</a> <a href="http://" target="_blank" title="<img src=http:///images/logo.gif width=215 height=80 />">小</a>
</body>
</html>




[Ctrl+A 全选 注:
如需引入外部Js需刷新才能执行]



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