/*
**  Copyright (C) 2007 Atos Origin 
**
**  Author: Raphael Semeteys <raphael.semeteys@atosorigin.com>
**
**  This program 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.
**
** This program 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.
**
**  You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
**
**
** O3S
** commons.js: common JavaScript functions
**
*/

function matchStart(target, pattern) {
	var pos = target.indexOf(pattern);
	if (pos == 0) {
		return true;
	} else {
		return false;
	}
}

function expand(div) {
	var rows = document.getElementsByTagName("tr");
	var id = div.parentNode.parentNode.id + "-";
	for (var i = 0; i < rows.length; i++) {
		var r = rows[i];
		if (matchStart(r.id, id)) {
			if (document.all) r.style.display = "block"; //IE4+ specific code
    			else r.style.display = "table-row"; //Netscape and Mozilla
		}
	}
	div.className = "expanded";
	div.onclick = function () {
		collapse(this);
	}
}

function collapse(div) {
	var rows = document.getElementsByTagName("tr");
	var id = div.parentNode.parentNode.id + "-";
	for (var i = 0; i < rows.length; i++) {
		var r = rows[i];
		if (matchStart(r.id, id)) {
			r.style.display = "none";
		}
	}
	div.className = "collapsed";
	div.onclick = function () {
		expand(this);
	}
}

function collapseAll() {
	var rows = document.getElementsByTagName("TR");
		for (var j = 0; j < rows.length; j++) {
		var r = rows[j];
		if (r.id.indexOf("-") >= 0) {
			r.style.display = "none";
		}
	}
	document.getElementById("all_selector").href = "javascript:expandAll();";
	document.getElementById("all_selector").firstChild.nodeValue = "Expand All";
}

function expandAll() {
	var rows = document.getElementsByTagName("TR");
		for (var j = 0; j < rows.length; j++) {
		var r = rows[j];
		if (r.id.indexOf("-") >= 0) {
			if (document.all) r.style.display = "block"; //IE4+ specific code
    			else r.style.display = "table-row"; //Netscape and Mozilla
		}
	}
	document.getElementById("all_selector").href = "javascript:collapseAll();";
	document.getElementById("all_selector").firstChild.nodeValue = "Collapse All";
}