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<!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=utf-8" />
<title>无标题文档</title>
<script type="text/javascript">
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function MM_preloadImages() { //v3.0
var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
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);}
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if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_nbGroup(event, grpName) { //v6.0
var i,img,nbArr,args=MM_nbGroup.arguments;
if (event == "init" && args.length > 2) {
if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
nbArr[nbArr.length] = img;
for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
if (!img.MM_up) img.MM_up = img.src;
img.src = img.MM_dn = args[i+1];
nbArr[nbArr.length] = img;
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img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
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document[grpName] = nbArr = new Array();
for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
if (!img.MM_up) img.MM_up = img.src;
img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
nbArr[nbArr.length] = img;
} }
}
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</head>
<body onload="MM_preloadImages(‘img/but02_c.png‘,‘img/but02_b.png‘)">
<table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><a href="javascript:;" target="_top" onclick="MM_nbGroup(‘down‘,‘group1‘,‘but02‘,‘img/but02_c.png‘,1)" onmouseover="MM_nbGroup(‘over‘,‘but02‘,‘img/but02_b.png‘,‘img/but02_c.png‘,1)" onmouseout="MM_nbGroup(‘out‘)"><img src="img/but02.png" alt="上一步" name="but02" width="17" height="24" border="0" id="but02" onload="" /></a></td>
<td><a href="javascript:;" target="_top" onclick="MM_nbGroup(‘down‘,‘group1‘,‘but03‘,‘img/but03_c.png‘,1)" onmouseover="MM_nbGroup(‘over‘,‘but03‘,‘img/but03_b.png‘,‘img/but03_c.png‘,1)" onmouseout="MM_nbGroup(‘out‘)"><img src="img/but03.png" alt="上一步" name="but03" width="17" height="24" border="0" id="but03" onload="" /></a></td>
<td><a href="javascript:;" target="_top" onclick="MM_nbGroup(‘down‘,‘group1‘,‘home‘,‘img/home_c.png‘,1)" onmouseover="MM_nbGroup(‘over‘,‘home‘,‘img/home_b.png‘,‘img/home_c.png‘,1)" onmouseout="MM_nbGroup(‘out‘)"><img src="img/home.png" alt="上一步" name="home" width="38" height="38" border="0" id="home" onload="" /></a></td>
</tr>
<td><a href="javascript:;" target="_top" onclick="MM_nbGroup(‘down‘,‘group1‘,‘but04‘,‘img/but04_c.png‘,1)" onmouseover="MM_nbGroup(‘over‘,‘but04‘,‘img/but04_b.png‘,‘img/but04_c.png‘,1)" onmouseout="MM_nbGroup(‘out‘)"><img src="img/but04.png" alt="上一步" name="but04" width="38" height="38" border="0" id="but04" onload="" /></a></td>
<td><a href="javascript:;" target="_top" onclick="MM_nbGroup(‘down‘,‘group1‘,‘but05‘,‘img/but05_c.png‘,1)" onmouseover="MM_nbGroup(‘over‘,‘but05‘,‘img/but05_b.png‘,‘img/but05_c.png‘,1)" onmouseout="MM_nbGroup(‘out‘)"><img src="img/but05.png" alt="上一步" name="but05" width="134" height="38" border="0" id="but05" onload="" /></a></td>
</table>
</body>
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原文地址：http://www.cnblogs.com/robt/p/4595785.html
