var NavigationList = new Object();

NavigationList.Toggle = function(_this, id)
{
	_this.blur();
	switch(document.getElementById(id).style.display)
	{
		case 'none':
			document.getElementById(id).style.display = '';
			_this.parentNode.style.listStyleImage = "url('assets/img/icon/arrow-down.gif')";
			break;
		default:
			document.getElementById(id).style.display = 'none';
			_this.parentNode.style.listStyleImage = "url('assets/img/icon/arrow.gif')";
	}
}