var preloaded = [];

		// here is a lame preloading script i am putting in just for demonstration
		for (var i = 1; i <= 8; i++) {
			preloaded[i] = [loadimage(i + "-0.gif"), loadimage(i + "-1.gif")];
		}

		function init() {
			// whatever stuff you need to do onload goes here.

			//==========================================================================================
			// if supported, initialize mtdropdowns
			//==========================================================================================
			// check issupported() so that menus aren't accidentally sent to non-supporting browsers.
			// this is better than server-side checking because it will also catch browsers which would
			// normally support the menus but have javascript disabled.
			//
			// if supported, call initialize() and then hook whatever image rollover code you need to do
			// to the .onactivate and .ondeactivate events for each menu.
			//==========================================================================================
			if (mtdropdown.issupported()) {
				mtdropdown.initialize();

				// hook all the image swapping of the main toolbar to menu activation/deactivation
				// instead of simple rollover to get the effect where the button stays hightlit until
				// the menu is closed.
				menu1.onactivate = function() { swapimage("button1", preloaded[1][1].src) };
				menu1.ondeactivate = function() { swapimage("button1", preloaded[1][1].src) };

				menu1.onactivate = function() { swapimage("button2", preloaded[2][1].src) };
				menu1.ondeactivate = function() { swapimage("button2", preloaded[2][1].src) };

				menu1.onactivate = function() { swapimage("button3", preloaded[3][1].src) };
				menu1.ondeactivate = function() { swapimage("button3", preloaded[3][1].src) };

				menu1.onactivate = function() { swapimage("button4", preloaded[4][1].src) };
				menu1.ondeactivate = function() { swapimage("button4", preloaded[4][1].src) };

				menu1.onactivate = function() { swapimage("button5", preloaded[5][1].src) };
				menu1.ondeactivate = function() { swapimage("button5", preloaded[5][1].src) };
				
				menu1.onactivate = function() { swapimage("button6", preloaded[6][1].src) };
				menu1.ondeactivate = function() { swapimage("button6", preloaded[6][1].src) };
				
				menu1.onactivate = function() { swapimage("button7", preloaded[7][1].src) };
				menu1.ondeactivate = function() { swapimage("button7", preloaded[7][1].src) };
				
				menu1.onactivate = function() { swapimage("button9", preloaded[9][1].src) };
				menu1.ondeactivate = function() { swapimage("button9", preloaded[9][1].src) };
				
			}
		}

		// this is a crappy example preloader. use whichever one you want.
		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;
		}