/*
	Outliner functions
	version: 1.0b1
	last modified 14-May-2002
	created by Marc Barrot, with help from Aaron Straup Cope
	copyright 2002 by Precision IT Management,Inc
 	You may use and distribute this code freely,
	just keep this header information intact.
*/

function expand(ioNode) {
	ioWedge = "i" + ioNode.substr(1);

	if (document.getElementById && document.getElementById(ioNode) != null) {
		document.getElementById(ioWedge).src='../gems/activeRenderer/ol2.gif';
		document.getElementById(ioWedge).title='collapse';
		document.getElementById(ioNode).className='expanded';
	}

	else if (document.all) {
		document.all[ioWedge].src='../gems/activeRenderer/ol2.gif';
		document.all[ioWedge].title='collapse';
		document.all[ioNode].style.zIndex=100;
		document.all[ioNode].className='expanded';
	}

	else if (document.layers && document.layers[ioNode] != null) {
		document.layers[ioWedge].src='../gems/activeRenderer/ol2.gif';
		document.layers[ioWedge].title='collapse';
		document.layers[ioNode].className='expanded';
	}
}

function collapse(ioNode) {
	ioWedge = "i" + ioNode.substr(1);

	if (document.getElementById && document.getElementById(ioNode) !=  null) {
		document.getElementById(ioWedge).src='../gems/activeRenderer/ol3.gif';
		document.getElementById(ioWedge).title='expand';
		document.getElementById(ioNode).className='collapsed';
	}

	else if (document.all) {
		document.all[ioWedge].src='../gems/activeRenderer/ol3.gif';
		document.all[ioWedge].title='expand';
		document.all[ioNode].className='collapsed';
	}

	else if (document.layers && document.layers[ioNode] != null) {
		document.layers[ioWedge].src='../gems/activeRenderer/ol3.gif';
		document.layers[ioWedge].title='expand';
		document.layers[ioNode].className='collapsed';
	}
}

function ioSwitch(ioNode) {

	if (document.getElementById && document.getElementById(ioNode) !=  null) {
		nodeState = document.getElementById(ioNode).className;
	}

	else if (document.all) {
		nodeState = document.all[ioNode].className;
	}

	else if (document.layers && document.layers[ioNode] != null) {
		nodeState = document.layers[ioNode].className;
	}

    if (nodeState == 'collapsed') {
		expand(ioNode);
	}

	else {
		collapse(ioNode);
	}
}

function expandAll(divName) {

	nodeList = document.getElementsByName(divName);

	if (nodeList.length > 0) {

		for (var i = 0; i < nodeList.length; i++) {
			expand(nodeList.item(i).id);
		}
	}

	else {
		nodeList = document.getElementsByTagName('div');
		
		if (nodeList.length > 0) {

			for (var i = 0; i < nodeList.length; i++) {
			
				if (nodeList.item(i).name == divName) {
					expand(nodeList.item(i).id);	
				}
			}

		}

		else {
			alert ("Oops, your browser is not DOM level 1 compatible, sorry.");
		}
	}
}

function collapseAll(divName) {
	nodeList = document.getElementsByName(divName);

	if (nodeList.length > 0) {

		for (var i = 0; i < nodeList.length; i++) {
			collapse(nodeList.item(i).id);
		}
	}

	else {
		nodeList = document.getElementsByTagName('div');
		
		if (nodeList.length > 0) {

			for (var i = 0; i < nodeList.length; i++) {
			
				if (nodeList.item(i).name == divName) {
					collapse(nodeList.item(i).id);
				}
			}

		}

		else {
			alert ("Oops, your browser is not DOM level 1 compatible, sorry.");
		}
	}
}