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("home", 'images/nav_over_r1_c1.gif') };
				//menu1.ondeactivate = function() { swapImage("home", 'images/nav_out_r1_c1.gif') };

				menu2.onactivate = function() { swapImage("products_nav", 'images/products_nav_f2.gif') };
				menu2.ondeactivate = function() { swapImage("products_nav", 'images/products_nav.gif') };
				
		//		menu3.onactivate = function() { swapImage("services_nav", 'images/services_nav_f2.gif') };
			//	menu3.ondeactivate = function() { swapImage("services_nav", 'images/services_nav.gif') };
				
				menu4.onactivate = function() { swapImage("contact_nav", 'images/contact_nav_f2.gif') };
				menu4.ondeactivate = function() { swapImage("contact_nav", 'images/contact_nav.gif') };
			}
		}

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