/* script for two-level-navigation glonn */

var activeLevel = new Array("","");

function swap(_id)
{
	if (activeLevel[0] != _id && activeLevel[1] != _id )
	{	
		_image = document.getElementById(_id);
		if (_image.src.indexOf('a.gif') != -1)
		{
			_image.src = 'internals/navi' + _id + '_i.gif';
		}
		else
		{
			_image.src = 'internals/navi' + _id + '_a.gif';
		}
	}
}

function set(_id, LVL)
{
	if (activeLevel[LVL] != "")
	{
		document.getElementById(activeLevel[LVL]).src = 'internals/navi' + activeLevel[LVL] + '_i.gif';
	}
	document.getElementById(_id).src = 'internals/navi' + _id + '_a.gif';
	activeLevel[LVL] = _id;
	window.status=activeLevel[0] + " " + activeLevel[1];
}