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;

	if (document.images) {
		Home_over = newImage("images/TopNav/Home-over.gif");
		products_over = newImage("images/TopNav/products-over.gif");
		content_over = newImage("images/TopNav/content-over.gif");
		Support_over = newImage("images/TopNav/Support-over.gif");
		individualsAndSchools_over = newImage("images/TopNav/individualsAndSchools-over.gif");
		companypolicy_over = newImage("images/TopNav/companypolicy-over.gif");
		SiteMap_over = newImage("images/TopNav/SiteMap-over.gif");
		suggestion_over = newImage("images/TopNav/suggestion-over.gif");
		TopNavBar_11_over = newImage("images/TopNav/TopNavBar_11-over.gif");
		Contact_over = newImage("images/TopNav/Contact-over.gif");
		upgrades_over = newImage("images/TopNav/upgrades-over.gif");
		preloadFlag = true;
	}