/***************************************************************
*  Copyright notice
*
*  (c) 2003-2004 Jean-Michel Garnier (garnierjm@yahoo.fr)
*  All rights reserved
*
*  This script is part of the phpXplorer project. The phpXplorer project is
*  free software; you can redistribute it and/or modify*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation; either version 2 of the License, or*  (at your option) any later version.
*
*  The GNU General Public License can be found at*  http://www.gnu.org/copyleft/gpl.html.
*  A copy is found in the textfile GPL.txt distributed with these scripts.
*
*  This script is distributed in the hope that it will be useful,*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the*  GNU General Public License for more details.
*
*  This copyright notice MUST APPEAR in all copies of the script!
***************************************************************/
/*****************************************************************************
Name : toggle
Parameters :  node , DOM element (<a> tag)
Description :     Description, collapse or unfold a branch
Author : Jean-Michel Garnier /  D.D. de Kerf
*****************************************************************************/
function toggle(node) {
    // Get the next tag (read the HTML source)
	var nextDIV = node.nextSibling;
	// find the next DIV
	while(nextDIV.nodeName != "DIV") {
		nextDIV = nextDIV.nextSibling;
	}

	// Unfold the branch if it isn't visible
	if (nextDIV.style.display == 'none') {
		// Change the image (if there is an image)
		if (node.childNodes.length > 0) {
			if (node.childNodes.item(0).nodeName == "IMG") {
				node.childNodes.item(0).src = getImgDirectory(node.childNodes.item(0).src) + "minus.gif";
			}
		}
		nextDIV.style.display = 'block';
	}
	// Collapse the branch if it IS visible
	else {
		// Change the image (if there is an image)
		if (node.childNodes.length > 0) {
			if (node.childNodes.item(0).nodeName == "IMG") {
  				node.childNodes.item(0).src = getImgDirectory(node.childNodes.item(0).src) + "plus.gif";
			}
		}
		nextDIV.style.display = 'none';
	}
}

/*****************************************************************************
Name : toggle2
Parameters :  node DOM element (<a> tag), folderCode String
Description :    if you use the "code" attribute in a folder element, toggle2 is called
instead of toggle. The consequence is that you MUST implement a selectFolder function in your page.
Author : Jean-Michel Garnier
*****************************************************************************/
function toggle2(node, folderCode) {
    toggle(node);
    selectFolder(folderCode);
}

/*****************************************************************************
Name : getImgDirectory
Parameters : Image source path
Return : Image source Directory
Author : Jean-Michel Garnier
*****************************************************************************/

function getImgDirectory(source) {
    return source.substring(0, source.lastIndexOf('/') + 1);
}