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) {
		Home_Nav_02_over = newImage("img/Home-Nav_02-over.jpg");
		Home_Nav_03_over = newImage("img/Home-Nav_03-over.jpg");
		Home_Nav_04_over = newImage("img/Home-Nav_04-over.jpg");
		Home_Nav_05_over = newImage("img/Home-Nav_05-over.jpg");
		preloadFlag = true;
	}
}

function preloadSecondImages() {
	if (document.images) {
		Second_Nav_02_over = newImage("img/Second-Nav_02-over.jpg");
		Second_Nav_03_over = newImage("img/Second-Nav_03-over.jpg");
		Second_Nav_04_over = newImage("img/Second-Nav_04-over.jpg");
		Second_Nav_05_over = newImage("img/Second-Nav_05-over.jpg");
		Second_Nav_06_over = newImage("img/Second-Nav_06-over.jpg");
		preloadFlag = true;
	}
}

function preloadThirdImages() {
	preloadFlag = false;
	if (document.images) {
		Third_Nav_01over = newImage("img/Third-Nav_01over.jpg");
		Third_Nav_02over = newImage("img/Third-Nav_02over.jpg");
		Third_Nav_03over = newImage("img/Third-Nav_03over.jpg");
		Third_Nav_04over = newImage("img/Third-Nav_04over.jpg");
		Third_Nav_05over = newImage("img/Third-Nav_05over.jpg");
		Third_Nav_06over = newImage("img/Third-Nav_06over.jpg");
		Third_Nav_07over = newImage("img/Third-Nav_07over.jpg");
		Third_Nav_08over = newImage("img/Third-Nav_08over.jpg");
		preloadFlag = true;
	}
}