// <!--
			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) {
					but_menu_0_over = newImage("images/menu_01.jpg");
					but_menu_1_over = newImage("images/menu_11.jpg");
					but_menu_2_over = newImage("images/menu_21.jpg");
					but_menu_3_over = newImage("images/menu_31.jpg");
					but_menu_4_over = newImage("images/menu_41.jpg");
					but_menu_5_over = newImage("images/menu_51.jpg");
					but_menu_6_over = newImage("images/menu_61.jpg");
					but_menu_7_over = newImage("images/menu_71.jpg");
					but_menu_8_over = newImage("images/menu_81.jpg");
					but_menu_0_click = newImage("images/menu_02.jpg");
					but_menu_1_click = newImage("images/menu_12.jpg");
					but_menu_2_click = newImage("images/menu_22.jpg");
					but_menu_3_click = newImage("images/menu_32.jpg");
					but_menu_4_click = newImage("images/menu_42.jpg");
					but_menu_5_click = newImage("images/menu_52.jpg");
					but_menu_6_click = newImage("images/menu_62.jpg");
					but_menu_7_click = newImage("images/menu_72.jpg");
					but_menu_8_click = newImage("images/menu_82.jpg");
					preloadFlag = true;
				}
			}


			// turn object visible
			function on(val) {
				var itm = document.getElementById(val);
				itm.style.display="block";
			}
			
			// turn object off
			function off(val) {
				var itm = document.getElementById(val);
				itm.style.display="none";
			}

		// -->