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) {
								navigation_01_over = newImage("/store/partner/images/navigation_01-over.gif");
								navigation_02_over = newImage("/store/partner/images/navigation_02-over.gif");
								navigation_03_over = newImage("/store/partner/images/navigation_03-over.gif");
								navigation_04_over = newImage("/store/partner/images/navigation_04-over.gif");
								navigation_05_over = newImage("/store/partner/images/navigation_05-over.gif");
								navigation_06_over = newImage("/store/partner/images/navigation_06-over.gif");
								preloadFlag = true;
							}
						}