function init() {
			// whatever stuff you need to do onload goes here.
			

			//==========================================================================================
			// if supported, initialize dropdowns
			//==========================================================================================
			// 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 (DropDown.isSupported()) {
				
				//alert(DropDown.isSupported());
				DropDown.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("nav_solutions", "nav_solutions", "_over") };
			    menu1.ondeactivate = function() { swapImage("nav_solutions", "nav_solutions", "") };				

			    menu2.onactivate = function() { swapImage("nav_products", "nav_products", "_over") };
			    menu2.ondeactivate = function() { swapImage("nav_products", "nav_products", "") };				
		
			    menu3.onactivate = function() { swapImage("nav_support", "nav_support", "_over") };
			    menu3.ondeactivate = function() { swapImage("nav_support", "nav_support", "") };						
			
			    //menu4.onactivate = function() { swapImage("nav_contact", "nav_contact", "_on") };
			    //menu4.ondeactivate = function() { swapImage("nav_contact", "nav_contact", "") };						
			
					
			}
		}


		function loadImage(sFilename) {
			var img = new Image();
			img.src ="/images/" + sFilename;
			
			return img;
		}

		function swapImage(imgName, sFilename, mouseEvent) {
			thisImgSrc = document.images[imgName].src
			
			if (thisImgSrc.indexOf("_on") != -1){
                document.images[imgName].src = "/images/" + sFilename + "_on" + mouseEvent + ".gif"
            }else {
                document.images[imgName].src = "/images/" + sFilename + mouseEvent + ".gif"
            }
			 
			
		}