function newImage(arg) {
			if (document.images) {
				rslt = new Image();
				rslt.src = arg;
				return rslt;
			}
		}

		
		function movepic(img_name,img_src) {
         document[img_name].src=img_src;
        }
         
		
		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) {
				index_05_over = newImage("images/index_05-over.gif");
				index_05_index_06_over = newImage("images/index_05-index_06_over.gif");
				index_06_index_05_over = newImage("images/index_06-index_05_over.gif");
				index_06_over = newImage("images/index_06-over.gif");
				index_06_index_07_over = newImage("images/index_06-index_07_over.gif");
				index_07_index_06_over = newImage("images/index_07-index_06_over.gif");
				index_07_over = newImage("images/index_07-over.gif");
				index_07_index_08_over = newImage("images/index_07-index_08_over.gif");
				index_08_index_07_over = newImage("images/index_08-index_07_over.gif");
				index_08_over = newImage("images/index_08-over.gif");
				index_08_index_09_over = newImage("images/index_08-index_09_over.gif");
				index_09_index_08_over = newImage("images/index_09-index_08_over.gif");
				index_09_over = newImage("images/index_09-over.gif");
				index_09_index_10_over = newImage("images/index_09-index_10_over.gif");
				index_10_index_09_over = newImage("images/index_10-index_09_over.gif");
				index_10_over = newImage("images/index_10-over.gif");
				index_10_index_11_over = newImage("images/index_10-index_11_over.gif");
				index_11_index_10_over = newImage("images/index_11-index_10_over.gif");
				index_11_over = newImage("images/index_11-over.gif");
				preloadFlag = true;
			}
		}