var biotopURL = "www.biotop.com";//host564.ipowerweb.com/~biotopco/biotop
		
		var preloaded = [];



		// here is a lame preloading script i am putting in just for demonstration

		for (var i = 1; i <= 6; i++) {

			preloaded[i] = [loadImage("en_nb_layer1_" + i + ".gif"), loadImage("en_nb_layer1_" + i + "_ov.gif")];

		}



		function init() {

			// whatever stuff you need to do onload goes here.



			//==========================================================================================

			// if supported, initialize MenuDropDowns

			//==========================================================================================

			// 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 (MenuDropDown.isSupported()) {

				MenuDropDown.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][0].src) };



				menu2.onactivate = function() { swapImage("button2", preloaded[2][1].src) };

				menu2.ondeactivate = function() { swapImage("button2", preloaded[2][0].src) };



				menu3.onactivate = function() { swapImage("button3", preloaded[3][1].src) };

				menu3.ondeactivate = function() { swapImage("button3", preloaded[3][0].src) };



				menu4.onactivate = function() { swapImage("button4", preloaded[4][1].src) };

				menu4.ondeactivate = function() { swapImage("button4", preloaded[4][0].src) };



				menu5.onactivate = function() { swapImage("button5", preloaded[5][1].src) };

				menu5.ondeactivate = function() { swapImage("button5", preloaded[5][0].src) };


				menu6.onactivate = function() { swapImage("button6", preloaded[6][1].src) };

				menu6.ondeactivate = function() { swapImage("button6", preloaded[6][0].src) };

}

		}



		// this is a crappy example preloader. Use whichever one you want.

		function loadImage(sFilename) {
			var img = new Image();

			img.src ="http://"+biotopURL+"/Templates/images/" + sFilename;

			return img;

		}



		// this is a crappy example image swapper. Use whichever you want.

		function swapImage(imgName, sFilename) {

			document.images[imgName].src = sFilename;

		}