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) {
		ui_nav_solutions_8 = newImage("image/ui-nav-solutions_8.gif");
		ui_nav_solutions_10 = newImage("image/ui-nav-solutions_10.gif");
		ui_nav_products_9 = newImage("image/ui-nav-products_9.gif");
		ui_nav_products_11 = newImage("image/ui-nav-products_11.gif");
		ui_nav_products_13 = newImage("image/ui-nav-products_13.gif");
		ui_nav_productSupport_12 = newImage("image/ui-nav-productSupport_12.gif");
		ui_nav_productSupport_14 = newImage("image/ui-nav-productSupport_14.gif");
		ui_nav_productSupport_16 = newImage("image/ui-nav-productSupport_16.gif");
		ui_nav_training_15 = newImage("image/ui-nav-training_15.gif");
		ui_nav_training_17 = newImage("image/ui-nav-training_17.gif");
		ui_nav_training_19 = newImage("image/ui-nav-training_19.gif");
		ui_nav_partners_18 = newImage("image/ui-nav-partners_18.gif");
		ui_nav_partners_20 = newImage("image/ui-nav-partners_20.gif");
		ui_nav_partners_22 = newImage("image/ui-nav-partners_22.gif");
		ui_nav_howtobuy_21 = newImage("image/ui-nav-howtobuy_21.gif");
		ui_nav_howtobuy_23 = newImage("image/ui-nav-howtobuy_23.gif");
		ui_nav_howtobuy_4 = newImage("image/ui-nav-howtobuy_4.gif");
		ui_nav_howtobuy_6 = newImage("image/ui-nav-howtobuy_6.gif");
		ui_nav_articles_5 = newImage("image/ui-nav-articles_5.gif");
		ui_nav_articles_7 = newImage("image/ui-nav-articles_7.gif");
		preloadFlag = true;
		preloadFlag = true;
	}
}