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鼠标移动更改图片背景
<HTML>
<head>
<script>
function MM_swapImage() { //v3.0
var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=http://www.mamicode.com/x.src; x.src=a[i+2];}
}
function MM_swapImgRestore() { //v3.0
var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=http://www.mamicode.com/x.oSrc;
}
function MM_findObj(n, d) { //v4.01
var p,i,x; if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
if(!x && d.getElementById) x=d.getElementById(n); return x;
}
</script>
</head>
<body>
<table id="div1" style="height:80px; width:800px; background:red">
<input type="button" value="http://www.mamicode.com/第一个按钮" onclick="mychange()" />
</table>
<input type="image" src="http://www.mamicode.com/down_show.png" name="Image1" border="0" id="Image1" onm ouseOver="MM_swapImage(‘Image1‘,‘‘,‘./down_press.png‘,1)" onm ouseOut="MM_swapImgRestore()">
</body>
</HTML>