var treeopened = null;

function opentree(tree)

{

	var cls = '';

	if (document.getElementById) {

		var el = document.getElementById (tree);

		if (el && el.className) {

			el.className = (el.className == 'navOpened') ? 'navClosed' : 'navOpened';

		}

	}

	if (navigator.appName == 'Microsoft Internet Explorer' && document.documentElement && navigator.userAgent.indexOf ('Opera') == -1) setH();

	return false;

}



function setActiveNode(id)

{

	if (activeItem == id) {

		return false;

	}

	if (activeItem != '' ) {

		var cur = document.getElementById(activeItem);

		cur.className = 'node';

	}

	activeItem = id;

	var el = document.getElementById(id);

	el.className='nodeActive';

	

	return false;

}



function openScreen (id, url)

{

	setActiveNode(id);

	top.mainFrame.workFrame.location.href = url;



	return false;

}



function mover (o)

{

	o.className = 'navTitleOver';

}



function mout (o)

{

	o.className = 'navTitle';

}