function init() {

			if (mtDropDown.isSupported()) {
				mtDropDown.initialize();
			}
		}

		function loadImage(sFilename) {
			var img = new Image();
			img.src ="/_images/nav/" + sFilename;
			return img;
		}

		// this is a crappy example image swapper. Use whichever you want.
		function swapImage(imgName, sFilename) {
			document.images[imgName].src = sFilename;
		}