var preloaded = [];

		// here is a lame preloading script i am putting in just for demonstration
		for (var i = 1; i <= 100//total Buttons.
			 ; 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.
					
				
				menu41.onactivate = function() { swapImage("button41", preloaded[41][1].src) };
				menu41.ondeactivate = function() { swapImage("button41", preloaded[41][0].src) };
				
				menu42.onactivate = function() { swapImage("button42", preloaded[42][1].src) };
				menu42.ondeactivate = function() { swapImage("button42", preloaded[42][0].src) };
											
				menu43.onactivate = function() { swapImage("button43", preloaded[43][1].src) };
				menu43.ondeactivate = function() { swapImage("button43", preloaded[43][0].src) };
				
				menu44.onactivate = function() { swapImage("button44", preloaded[44][1].src) };
				menu44.ondeactivate = function() { swapImage("button44", preloaded[44][0].src) };
				
				menu45.onactivate = function() { swapImage("button45", preloaded[45][1].src) };
				menu45.ondeactivate = function() { swapImage("button45", preloaded[45][0].src) };
				
				menu46.onactivate = function() { swapImage("button46", preloaded[46][1].src) };
				menu46.ondeactivate = function() { swapImage("button46", preloaded[46][0].src) };
				
				menu47.onactivate = function() { swapImage("button47", preloaded[47][1].src) };
				menu47.ondeactivate = function() { swapImage("button47", preloaded[47][0].src) };
				
				menu48.onactivate = function() { swapImage("button48", preloaded[48][1].src) };
				menu48.ondeactivate = function() { swapImage("button48", preloaded[48][0].src) };
				
				menu49.onactivate = function() { swapImage("button49", preloaded[49][1].src) };
				menu49.ondeactivate = function() { swapImage("button49", preloaded[49][0].src) };
				
				
			
			}
		}

		// this is a crappy example preloader. Use whichever one you want.
		function loadImage(sFilename) {
			var img = new Image();
			img.src ="menu/" + sFilename;
			return img;
		}

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