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) {
		subNav_03_over = newImage("images/subNav_03-over.gif");
		subNav_07_over = newImage("images/subNav_07-over.gif");
		subNav_11_over = newImage("images/subNav_11-over.gif");
		subNav_15_over = newImage("images/subNav_15-over.gif");
		subNav_19_over = newImage("images/subNav_19-over.gif");
		subNav_22_over = newImage("images/subNav_22-over.gif");
		subNav_26_over = newImage("images/subNav_26-over.gif");
		subNav_29_over = newImage("images/subNav_29-over.gif");
		subNav_33_over = newImage("images/subNav_33-over.gif");
		subNav_37_over = newImage("images/subNav_37-over.gif");
		preloadFlag = true;
	}
}