javascript 树形导航菜单实例代码

2024-05-06 14:36:48

字体：大中小

来源：转载

供稿：网友

代码如下:
<!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>树形导航菜单</title>
<style type="text/css">

</style>
<script language="JavaScript1.2">
scores = new Array(20);var numTotal=0;NS4 = (document.layers) ? 1 : 0;IE4 = (document.all) ? 1 : 0;ver4 = (NS4 || IE4) ? 1 : 0;if (ver4) {
with (document) {
write("<STYLE TYPE='text/css'>");
if (NS4) {
write(".parent {position:absolute; visibility:visible}");
write(".child {position:absolute; visibility:visible}");
write(".regular {position:absolute; visibility:visible}")
}
else {
write(".child {display:none}")
} write("</STYLE>");
}}function getIndex(el) {
ind = null;
for (I=0; I<document.layers.length; I++) {
whichEl = document.layers[I];
if (whichEl.id == el) {
ind = I;
break;
}
}
return ind;}function arrange() {
nextY = document.layers[firstInd].pageY +document.layers[firstInd].document.height;
for (I=firstInd+1; I<document.layers.length; I++) {
whichEl = document.layers[I];
if (whichEl.visibility != "hide") {
whichEl.pageY = nextY;
nextY += whichEl.document.height;
}
}}function initIt(){
if (!ver4) return;
if (NS4) {
for (I=0; I<document.layers.length; I++) {
whichEl = document.layers[I];
if (whichEl.id.indexOf("C") != -1) whichEl.visibility = "hide";
}
arrange();
}
else {
divColl = document.all.tags("DIV");
for (I=0; I<divColl.length; I++) {
whichEl = divColl(I);
if (whichEl.className == "child") whichEl.style.display = "none";
} }}function expandIt(el) {
if (!ver4) return; if (IE4) {
whichEl1 = eval(el + "C");
for(I=1;I<=numTotal;I++){
whichEl = eval(scores[I] + "C");
if(whichEl!=whichEl1) {
whichEl.style.display = "none";
}
}
whichEl1 = eval(el + "C");
if (whichEl1.style.display == "none") {
whichEl1.style.display = "block";
}
else {
whichEl1.style.display = "none";
}
}
else {
whichEl = eval("document." + el + "C");
for(I=1;I<=numTotal;I++){
whichEl = eval("document." + scores[I] + "C");
if(whichEl!=whichEl1) {
whichEl.visibility = "hide";
}
}
if (whichEl.visibility == "hide") {
whichEl.visibility = "show";
}
else {
whichEl.visibility = "hide";
}
arrange();
}}onload = initIt;
</script>
</head>
<body bgcolor="" >
<div id='KB1P' class='parent'><a href="#" onClick="expandIt('KB1'); return false"> +时间日期类</a></div>
<div id='KB1C' class='child'>