function loadMenus() {
	   //Dynamic Menus
		window.Summary = new Menu("Summary");
		Summary.addMenuItem("Comparison Calculator", "top.window.location='wcs_compcalc.html'");
		Summary.addMenuItem("Flight Unit Matrix", "top.window.location='map2.html'");
		
		window.S76 = new Menu("S76");
		S76.addMenuItem("Description", "top.window.location='s76_gendesc.html'");
		S76.addMenuItem("Data", "top.window.location='safety_1.html'");
		//S76.addMenuItem("Performance", "top.window.location='safety_2.html'");
		S76.addMenuItem("Exterior", "top.window.location='exterior.html'");
		S76.addMenuItem("Interior", "top.window.location='interior.html'");
		S76.addMenuItem("Cockpit VR", "top.window.location='s76cockpitvr.html'");
		S76.addMenuItem("Cabin VR", "top.window.location='s76cabinvr.html'");
		S76.addMenuItem("Safety", "top.window.location='safety.html'");

		window.Summary.disableDrag = true;
		window.Summary.writeMenus();
		
		window.S76.disableDrag = true;
		window.S76.writeMenus();
	}
	function newImage(arg) {
		if (document.images) {
			rslt = new Image();
			rslt.src = arg;
			return rslt;
		}
	}

	function changeImages() {
		if (document.images && (preloadFlag == true)) {
			for (var i=0; i<changeImages.arguments.length; i+=2) {
				document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
			}
		}
	}

	var preloadFlag = false;
	
	function preloadImages() {
		if (document.images) {
			button5_over = newImage("images/level_menu_roll-01-01.jpg");
			button6_over = newImage("images/level_menu_roll-01-02.jpg");
			button7_over = newImage("images/level_menu_roll-01-03.jpg");
			button8_over = newImage("images/level_menu_roll-01-04.jpg");
			button9_over = newImage("images/level_menu_roll-01-05.jpg");
			preloadFlag = true;
		}
		

	}