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這段程序放在<body>與</body>之間
<script language="JavaScript">
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("Child") != -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) {
whichEl = eval(el + "Child");
if (whichEl.style.display == "none") {
whichEl.style.display = "block";
}
else {
whichEl.style.display = "none";
}
}
else {
whichEl = eval("document." + el + "Child");
if (whichEl.visibility == "hide") {
whichEl.visibility = "show";
}
else {
whichEl.visibility = "hide";
}
arrange();
}
}
onload = initIt;
</script>
</font></p>
<div id="KB1Parent" class="parent"><a href="#" onClick="expandIt("KB1"); return false" ><img src="img/plus.gif" border=0>文件夾一</a></div>
<div id="KB1Child" class="child"><a href="sample.htm" target="_blank" ><img src="img/spacer.gif" border=0 alt='樹型目錄菜單'><img src="img/open.gif" border=0>頁面一</a><br>
<a href="sample.htm" target="_blank" ><img src="img/spacer.gif" border=0 alt='樹型目錄菜單' width="15" height="11"><img src="img/open.gif" border=0>頁面二</a><br>
<a href="sample.htm" target="_blank" ><img src="img/spacer.gif" border=0 alt='樹型目錄菜單' width="15" height="11"><img src="img/open.gif" border=0>頁面三</a></div>
<div id="KB2Parent" class="parent"><a href="#" onClick="expandIt("KB2"); return false" ><img src="img/plus.gif" border=0>文件夾二</a></div>
<div id="KB2Child" class="child"><a href="sample.htm" target="_blank" ><img src="img/spacer.gif" border=0 alt='樹型目錄菜單' width="15" height="11"><img src="img/open.gif" border=0>頁面一</a><br>
<a href="sample.htm" target="_blank" ><img src="img/spacer.gif" border=0 alt='樹型目錄菜單'><img src="img/open.gif" border=0>頁面二</a><br>
<a href="sample.htm" target="_blank" ><img src="img/spacer.gif" border=0 alt='樹型目錄菜單' width="15" height="11"><img src="img/open.gif" border=0>頁面三</a></div>
<div id="KB3Parent" class="parent"><a href="#" onClick="expandIt("KB3"); return false" ><img src="img/plus.gif" border=0>文件夾三</a></div>
<div id="KB3Child" class="child"> <a href="sample.htm" target="_blank" ><img src="img/spacer.gif" border=0 alt='樹型目錄菜單'><img src="img/open.gif" border=0>頁面一</a><br>
<a href="sample.htm" target="_blank" ><img src="img/open.gif" border=0>頁面二</a><br>
<a href="sample.htm" target="_blank" ><img src="img/spacer.gif" border=0 alt='樹型目錄菜單'><img src="img/open.gif" border=0>頁面三</a></div>
<script language="JavaScript">
if (NS4) {
firstEl = "KB1Parent";
firstInd = getIndex(firstEl);
arrange();
}
</script>
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