***页面导航***下拉菜单的导航条。
把下列代码加到网页的<body></body>标签之间 从google下载我的照片管理软件<html>
<head>
<title>无标题文档</title>
<meta http-equiv="content-type" content="text/html; charset=gb2312">
<script language=javascript>
<!--
function mm_gotourl() { //v3.0
var i, args=mm_gotourl.arguments; document.mm_returnvalue = false;
for (i=0; i<(args.length-1); i+=2) eval(args+".location='"+args+"'");
}
function jm_cc(ob){
var obj=mm_findobj(ob); if (obj) {
obj.select();js=obj.createtextrange();js.execcommand("copy");}
}
function mm_findobj(n, d) { //v4.0
var p,i,x;if(!d) d=document; if((p=n.indexof("?"))>0&&parent.frames.length) {
d=parent.frames.document; n=n.substring(0,p);}
if(!(x=d)&&d.all) x=d.all; for (i=0;!x&&i<d.forms.length;i++) x=d.forms;
for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=mm_findobj(n,d.layers.document);
if(!x && document.getelementbyid) x=document.getelementbyid(n); return x;
}
//-->
</script>
<script language=javascript>
<!--
menuprefix = 'menu';// prefix that all menu layers must start with
// all layers with this prefix will be treated
// as a part of the menu system.
var menutree, mousemenu, hidetimer, dohide;
function init() {
ie4 = (document.all)?true:false;
ns4 = (document.layers)?true:false;
document.onmousemove = mousemove;
if (ns4) { document.captureevents(event.mousemove); }
}
function expandmenu(menucontainer,subcontainer,menuleft,menutop) {
// hide all submenus thats's not below the current level
dohide = false;
if (menucontainer != menutree) {
if (ie4) {
var menulayers = document.all.tags("div");
for (i=0; i<menulayers.length; i++) {
if ((menulayers.id.indexof(menucontainer) != -1) && (menulayers.id != menucontainer)) {
hideobject(menulayers.id);
}
}
}
else if (ns4) {
for (i=0; i<document.layers.length; i++) {
var menulayer = document.layers;
if ((menulayer.id.indexof(menucontainer) != -1) && (menulayer.id != menucontainer)) {
menulayer.visibility = "hide";
}
}
}
}
// if this is item has a submenu, display it, or it it's a toplevel menu, open it
if (subcontainer) {
if ((menuleft) && (menutop)) {
positionobject(subcontainer,menuleft,menutop);
hideall();
}
else {
if (ie4) {
positionobject(subcontainer, document.all.offsetwidth + document.all.style.pixelleft - 10, mousey);
}
else {
positionobject(subcontainer, document.layers.document.width + document.layers.left + 50, mousey);
}
}
showobject(subcontainer);
menutree = subcontainer;
}
}
function showobject(obj) {
if (ie4) { document.all.style.visibility = "visible"; }
else if (ns4) { document.layers.visibility = "show";}
}
function hideobject(obj) {
if (ie4) { document.all.style.visibility = "hidden"; }
else if (ns4) { document.layers.visibility = "hide"; }
}
function positionobject(obj,x,y) {
if (ie4) {
var foo = document.all.style;
foo.left = x;
foo.top = y;
}
else if (ns4) {
var foo = document.layers;
foo.left = x;
foo.top = y;
}
}
function hideall() {
if (ie4) {
var menulayers = document.all.tags("div");
for (i=0; i<menulayers.length; i++) {
if (menulayers.id.indexof(menuprefix) != -1) {
hideobject(menulayers.id);
}
}
}
else if (ns4) {
for (i=0; i<document.layers.length; i++) {
var menulayer = document.layers;
if (menulayer.id.indexof(menuprefix) != -1) {
hideobject(menulayer.id);
}
}
}
}
function hideme(hide) {
if (hide) {
if (dohide) { hideall(); }
}
else {
dohide = true;
hidetimer = window.settimeout("hideme(true);", 2000);
}
}
function mousemove(e) {
if (ie4) { mousey = window.event.y; }
if (ns4) { mousey = e.pagey; }
}
function itemhover(obj,src,text,style) {
if (ns4) {
var text = '<nobr><a href="' + src + '" class="' + style + '">' + text + '<\/a><\/nobr>'
obj.document.open();
obj.document.write(text);
obj.document.close();
}
}
onload = init;
//-->
</script>
<style type=text/css>
<!--
.menu { position: absolute; left: 0; top: 2;
visibility: hidden; background: #ffffff;
width: 100px; margin: 0px 0px; padding: 0px 0px;
border: 1px silver solid;
overflow: visible; ; clip: rect( )}
.menu a:visited { font-family: "tahoma"; font-size: 11px;
text-decoration: none; font-weight: normal;
color: black; background: #e2e2e2;
width: 108px; padding-left: 8px; ; line-height: 22px; border-color: #ffffff #666666 #333333 #999999; border-style: solid; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; clip:rect( )}
.menu a:hover { font-family: "tahoma"; font-size: 11px;
text-decoration: none; font-weight: normal;
color: #ffffff; background: #009900;
width: 108px; padding-left: 8px; ; line-height: 22px; clip:rect( )}
.menu .border { border: 1px solid #f4f4f4;
border-bottom: 1px solid #808080;
border-right: 1px solid #808080; }
.menu .text { overflow: hidden;
width: 125px; height: 15px; }
.menu .arrow { overflow: hidden;
width: 15px; height: 12px;
padding-left: 5px; padding-top: 3px; }
.menu .arrow img { width: 6px; height: 7px;
border: 0px; }.menu a { font-family: "tahoma"; font-size: 11px;
text-decoration: none; font-weight: normal;
color: black; background: #e2e2e2;
width: 108px; padding-left: 8px;; clip:rect( ); border-color: #ffffff #666666 #333333 #999999; border-style: solid; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; line-height: 22px} .menu a:link {color: #000000; text-decoration: none}
.a {font-size: 12px; text-decoration: none}
a:link {color: #ffffff; text-decoration: none}
a:hover {text-decoration: underline}
a:visited {color: #ffffff; text-decoration: none}
-->
</style>
</head>
<body bgcolor="#ffffff" text="#000000" leftmargin="0" topmargin="0">
<table border="0" cellpadding="0" cellspacing="1" bgcolor="#333333" width="778" class="a">
<tr bgcolor="#009830" align="center" valign="bottom">
<td width="10" height="18"> </td>
<td width="74"><a href="#;"onmouseover="expandmenu(null,'menu1',getpos(this,'left'),getpos(this,'top')+this.offsetheight);" class="a" >第一项</a></td>
<td width="58"><a href="#;"onmouseover="expandmenu(null,'menu2',getpos(this,'left'),getpos(this,'top')+this.offsetheight);" class="a" >第二项</a></td>
<td width="58"><a href="#;"onmouseover="expandmenu(null,'menu3',getpos(this,'left'),getpos(this,'top')+this.offsetheight);" class="a" >第三项</a></td>
<!--可以复制上面的做出menu4 menu5 menu6....-->
<td width="40"><a href="#;" class="a" >首页</a></td>
<td width="18" height="18"> </td>
</tr>
</table>
<script language="javascript">
function getpos(el,sprop) {
var ipos = 0
while (el!=null) {
ipos+=el["offset" + sprop]
el = el.offsetparent
}
return ipos
}
</script>
<!-- 第一开始 -->
<div id="menu1" class="menu" onmouseout="hideme();" style="">
<a href="#;" onmouseover="expandmenu('menu1');">第一项</a><br>
<a href="#;" onmouseover="expandmenu('menu1');">第一项</a><br>
<a href="#;" onmouseover="expandmenu('menu1');">第一项</a><br>
<a href="#;" onmouseover="expandmenu('menu1');">第一项</a><br>
</div>
<!-- 第二开始 -->
<div id="menu2" class="menu" onmouseout="hideme();">
<a href="#;" onmouseover="expandmenu('menu2');">第二项</a><br>
<a href="#;" onmouseover="expandmenu('menu2');">第二项</a><br>
<a href="#;" onmouseover="expandmenu('menu2');">第二项</a><br>
<a href="#;" onmouseover="expandmenu('menu2');">第二项</a><br>
</div>
<!-- 第三开始 -->
<div id="menu3" class="menu" onmouseout="hideme();">
<a href="#;" onmouseover="expandmenu('menu3');">第三项</a><br>
<a href="#;" onmouseover="expandmenu('menu3');">第三项</a><br>
<a href="#;" onmouseover="expandmenu('menu3');">第三项</a><br>
<a href="#;" onmouseover="expandmenu('menu3');">第三项</a><br>
</div>
<!--可以复制上面的做出menu4 menu5 menu6....-->
<p class="a"> </p>
</body>
</html>
--------------------------------------
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