var preloaded = [];

		// here is a lame preloading script i am putting in just for demonstration
		for (var i = 1; i <= 40//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.
					
				
				menu30.onactivate = function() { swapImage("button30", preloaded[30][1].src) };
				menu30.ondeactivate = function() { swapImage("button30", preloaded[30][0].src) };
				
				menu31.onactivate = function() { swapImage("button31", preloaded[31][1].src) };
				menu31.ondeactivate = function() { swapImage("button31", preloaded[31][0].src) };
											
				menu32.onactivate = function() { swapImage("button32", preloaded[32][1].src) };
				menu32.ondeactivate = function() { swapImage("button32", preloaded[32][0].src) };
				
				menu33.onactivate = function() { swapImage("button33", preloaded[33][1].src) };
				menu33.ondeactivate = function() { swapImage("button33", preloaded[33][0].src) };
				
				menu34.onactivate = function() { swapImage("button34", preloaded[34][1].src) };
				menu34.ondeactivate = function() { swapImage("button34", preloaded[34][0].src) };
				
				menu35.onactivate = function() { swapImage("button35", preloaded[35][1].src) };
				menu35.ondeactivate = function() { swapImage("button35", preloaded[35][0].src) };
				
				menu36.onactivate = function() { swapImage("button36", preloaded[36][1].src) };
				menu36.ondeactivate = function() { swapImage("button36", preloaded[36][0].src) };
				
				menu37.onactivate = function() { swapImage("button37", preloaded[37][1].src) };
				menu37.ondeactivate = function() { swapImage("button37", preloaded[37][0].src) };
				
				menu38.onactivate = function() { swapImage("button38", preloaded[38][1].src) };
				menu38.ondeactivate = function() { swapImage("button38", preloaded[38][0].src) };
				
				menu39.onactivate = function() { swapImage("button39", preloaded[39][1].src) };
				menu39.ondeactivate = function() { swapImage("button39", preloaded[39][0].src) };
				
				menu40.onactivate = function() { swapImage("button40", preloaded[40][1].src) };
				menu40.ondeactivate = function() { swapImage("button40", preloaded[40][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;
					}