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("products", 'images/products_f2.jpg') };
		menu1.ondeactivate = function() { swapImage("products", 'images/products.jpg') };
		
		
		menu2.onactivate = function() { swapImage("support", 'images/support_f2.jpg') };
		menu2.ondeactivate = function() { swapImage("support", 'images/support.jpg') };
		
		menu3.onactivate = function() { swapImage("finance", 'images/finance_f2.jpg') };
		menu3.ondeactivate = function() { swapImage("finance", 'images/finance.jpg') };

		menu4.onactivate = function() { swapImage("client", 'images/client_f2.jpg') };
		menu4.ondeactivate = function() { swapImage("client", 'images/client.jpg') };

		menu5.onactivate = function() { swapImage("contact", 'images/contact_f2.jpg') };
		menu5.ondeactivate = function() { swapImage("contact", 'images/contact.jpg') };
		
		*/
	}
}

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