<html>
<head>
<title>媒体播放与图象滚动</title>
<script type="html/javascript">
var offImgArray=new Array();
offImgArray["play"]=new Image(75,33);
offImgArray["stop"]=new Image(75,33);
offImgArray["pause"]=new Image(75,33);
offImgArray["rewind"]=new Image(75,33);

offImgArray["play"].src="playoff.jpg";
offImgArray["stop"].src="stopoff.jpg";
offImgArray["pause"].src="pauseoff.jpg";
offImgArray["rewind"].src="rewindoff.jpg";

var onImgArray =new Array();
onImgArray["play"]=new Image(75,33);
onImgArray["stop"]=new Image(75,33);
onImgArray["pause"]=new Image(75,33);
onImgArray["rewind"]=new Image(75,33);

onImgArray["play"].src="playon.jpg";
onImgArray["stop"].src="stopon.jpg";
onImgArray["pause"].src="pauseon.jpg";
onImgArray["rewind"].src="rewindon.jpg";
function imageOn(imgName){
document.images[imgName].src = onImgArray[imgName].src;
}
function imageOff(imgName){
document.images[imgName].src = offImgArray[imgName].src;
}

function setMsg(msg){
window.status = msg;
return true;
}

function playIt(){
}
function stopIt(){
}
function pauseIt(){
}
function rewindIt(){
}
</script>
</head>
<body>
<center>
<form>
点唱机控制<br>
<a href="javascript:playIt()"
onmouseover="imageOn('play');return setMsg('播放选择的曲子')"//这里错误提示:缺少对象
onmouseout="imageOff('play');return setMsg('')">)"//这里错误提示:缺少对象

<img src="playoff.jpg" name="play" height="33" width="75" border="0">
</a>
<a href="javascript:stopIt()"
onmouseover="imageOn('stop');return setMsg('停止选择的曲子')")"//这里错误提示:缺少对象

onmouseout="imageOff('stop');return setMsg('')">)"//这里错误提示:缺少对象

<img src="stopoff.jpg" name='stop' height="33" width="75" border="0">
</a>
<a href="javascript:pauseIt()"
onmouseover="imageOn('pause');return setMsg('暂停选择的曲子')")"//这里错误提示:缺少对象

onmouseout="imageOff('pause');return setMsg('')">)"//这里错误提示:缺少对象

<img src="pauseoff.jpg" name='pause' height="33" width="75" border="0">
</a>
<a href="javascript:rewindIt()"
onmouseover="imageOn('rewind');return setMsg('返回选择的曲子')")"//这里错误提示:缺少对象

onmouseout="imageOff('rewind');return setMsg('')">)"//这里错误提示:缺少对象

<img src="rewindoff.jpg" name='rewind' height="33" width="75" border="0">
</a>
</form>
</body>
</html>