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// ---------------------------------------------
// --- Name: Easy DHTML Treeview --
// --- Author: D.D. de Kerf --
// --- Adapted: Dieter Hametner --
// --- Version: 0.2 Date: 13-6-2001 --
// ---------------------------------------------
function findSibling(node, name)
{
while ((node.nextSibling.nodeType != Node.ELEMENT_NODE)
|| (node.nextSibling.nodeName != name)) {
node = node.nextSibling;
}
if (node.nextSibling.nodeName == name)
return node.nextSibling;
return null;
}
function findImageNode(node, className)
{
for (var idx = 0; idx < node.childNodes.length; idx++) {
var n = node.childNodes.item(idx);
if ((n.nodeType == Node.ELEMENT_NODE) && (n.nodeName == "IMG")) {
attr = n.getAttributeNode("class");
if ((attr != null) && (attr.nodeValue == className)) {
return n;
}
}
}
return null;
}
function setImages(node, expand, folder)
{
// Change the image (if there is an image)
if (node.childNodes.length > 0)
{
expandNode = findImageNode(node, "recording_expander");
if (expandNode != null)
expandNode.src = expand;
folderNode = findImageNode(node, "recording_folder");
if (folderNode != null)
folderNode.src = folder;
}
}
function Toggle(node)
{
// Unfold the branch if it isn't visible
sibling = findSibling(node, "UL");
if (sibling == null)
return;
if (sibling.style.display == 'none')
{
setImages(node, "minus.png", "folder_open.png");
sibling.style.display = 'block';
}
// Collapse the branch if it IS visible
else
{
setImages(node, "plus.png", "folder_closed.png");
sibling.style.display = 'none';
}
}
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