//  Script found at: http://www.treeview.net
//  Author: Marcelino Alves Martins

// Open all folders
// May not work with very large trees (browser may time out)
// You may call this on a node other than the root, but it must be a folder
function expandTree(folderObj)
{
    var childObj;
    var i;

    //Open folder
    if (!folderObj.isOpen)
      clickOnNodeObj(folderObj)

    //Call this function for all folder children
    for (i=0 ; i < folderObj.nChildren; i++)  {
      childObj = folderObj.children[i]
      if (typeof childObj.setState != "undefined") {//is folder
        expandTree(childObj)
      }
    }
}

// Close all folders
function collapseTree()
{
	//hide all folders
	clickOnNodeObj(foldersTree)
	//restore first level
	clickOnNodeObj(foldersTree)
}

// In order to show a folder, open all the folders that are higher in the hierarchy 
// all the way to the root must also be opened.
// (Does not affect selection highlight.)
function openFolderInTree(linkID) 
{
	var folderObj;
	folderObj = findObj(linkID);
	folderObj.forceOpeningOfAncestorFolders();
	if (!folderObj.isOpen)
		clickOnNodeObj(folderObj);
} 

// Load a page as if a node on the tree was clicked (synchronize frames)
// (Highlights selection if highlight is available.)
function loadSynchPage(linkID) 
{
	var docObj;
	docObj = findObj(linkID);
	if (docObj) {
		docObj.forceOpeningOfAncestorFolders();
		highlightObjLink(docObj);
		// clickOnLink(linkID,docObj.link,TARGETFRAME);

		//Scroll the tree window to show the selected node
		//scroll doesn work with NS4, for example
		//if (typeof document.body != "undefined") document.body.scrollTop=docObj.navObj.offsetTop
	} else {
		// remove highlight
		if (browserVersion == 1 || browserVersion == 3) {
			if (lastClicked != null) {
				var prevClickedDOMObj = getElById('itemTextLink'+lastClicked.id);
				prevClickedDOMObj.style.color=lastClickedColor;
				prevClickedDOMObj.style.backgroundColor=lastClickedBgColor;
			}
		}
	}



}