// JavaScript Document

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) {
		nav_main_01_over = newImage("images/nav_main_01-over.jpg");
		nav_main_02_over = newImage("images/nav_main_02-over.jpg");
		nav_main_03_over = newImage("images/nav_main_03-over.jpg");
		nav_main_04_over = newImage("images/nav_main_04-over.jpg");
		nav_main_05_over = newImage("images/nav_main_05-over.jpg");
		nav_main_06_over = newImage("images/nav_main_06-over.jpg");
		nav_main_07_over = newImage("images/nav_main_07-over.jpg");
		nav_main_08_over = newImage("images/nav_main_08-over.jpg");
		nav_main_09_over = newImage("images/nav_main_09-over.jpg");
		nav_main_10_over = newImage("images/nav_main_10-over.jpg");
		nav_main_11_over = newImage("images/nav_main_11-over.jpg");
		nav_main_12_over = newImage("images/nav_main_12-over.jpg");
		nav_main_13_over = newImage("images/nav_main_13-over.jpg");
		nav_main_14_over = newImage("images/nav_main_14-over.jpg");
		preloadFlag = true;
	}
}