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) {
		highlights_01_over = newImage("images/highlights_01-over.gif");
		highlights_02_over = newImage("images/highlights_02-over.gif");
		highlights_03_over = newImage("images/highlights_03-over.gif");
		highlights_04_over = newImage("images/highlights_04-over.gif");
		highlights_05_over = newImage("images/highlights_05-over.gif");
		nav_home_over = newImage("images/nav_home_on.gif");
		nav_weight_over = newImage("images/nav_weight_on.gif");
		nav_maternity_over = newImage("images/nav_maternity_on.gif");
		nav_fashion_over = newImage("images/nav_newmom_on.gif");
		nav_newmom_over = newImage("images/nav_fashion_on.gif");
		nav_mastectomy_over = newImage("images/nav_mastectomy_on.gif");
		nav_contact_over = newImage("images/nav_contact_on.gif");
		preloadFlag = true;
	}
}