var preloaded = [];
for (var i = 1; i <= 8; i++) {
	preloaded[i] = [loadImage(i + "-0.gif"), loadImage(i + "-1.gif")];
}

function init() {
	if (mtDropDown.isSupported()) {
		mtDropDown.initialize();
	}
}
function loadImage(sFilename) {
	var img = new Image();
	img.src ="_images/nav/" + sFilename;
	return img;
}
function swapImage(imgName, sFilename) {
document.images[imgName].src = sFilename;
}