var spacerImg = null;
var orangeImg = null;

function navOver(id)
{
	if (document.images && orangeImg && spacerImg)
	{
		document.images[id].src = orangeImg.src;
	}
}

function navOut(id)
{
	if (document.images && orangeImg && spacerImg)
	{
		document.images[id].src = spacerImg.src;
	}
}

function initNav(path)
{
	path = path || '';
	if (document.images)
	{
		spacerImg = new Image();
		spacerImg.src = path + "images/spacer.gif";

		orangeImg = new Image();
		orangeImg.src = path + "images/orange.gif";
	}
}