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) {
		var btnmrktbasic_down = newImage("/images/btn-mrkt-basic-down.gif");
		var btnmrktcomm_down = newImage("/images/btn-mrkt-comm-down.gif");
		var btnmrktext_down = newImage("/images/btn-mrkt-ext-down.gif");
		var btnmrktcorp_down = newImage("/images/btn-mrkt-comm-down.gif");

		var btnhostingplat_down = newImage("/images/btn-host-PLAT-down.gif");
		var btnhostinggold_down = newImage("/images/btn-host-gold-down.gif");

		var pckgbtnsstarter_down = newImage("/images/pckg-btns-starter-down.gif");
		var pckgbtnsservcs_down = newImage("/images/pckg-btns-servcs-down.gif");
		var pckgbtnscommerce_down = newImage("/images/pckg-btns-commerce-down.gif");
		var pckgbtnstailored_down = newImage("/images/pckg-btns-tailored-down.gif");

		var design_over = newImage("/images/home-nav/design-over.gif");
		var hosting_over = newImage("/images/home-nav/hosting-over.gif");
		var programming_over = newImage("/images/home-nav/programming-over.gif");
		var marketing_over = newImage("/images/home-nav/marketing-over.gif");
		var clientlogin_over = newImage("/images/home-nav/clientlogin-over.gif");
		
		//SUBS ------------------------------------------------------------------------------
		//common to all sub headers
		var overview_over = newImage("/images/home-nav/sub/overview-over.gif");
		var contact_over = newImage("/images/home-nav/sub/contact-over.gif");

		//services/programming
		var services_over = newImage("/images/home-nav/sub/services-over.gif");
		var rates_over = newImage("/images/home-nav/sub/rates-over.gif");
		var request_quote_over = newImage("/images/home-nav/sub/request-quote-over.gif");

		//services/hosting
		var rates_services_over = newImage("/images/home-nav/sub/rates-services-over.gif");
		var reseller_over = newImage("/images/home-nav/sub/reseller-over.gif");
		var ordernow_over = newImage("/images/home-nav/sub/ordernow-over.gif");

		//marketing
		//var rates_services_over = newImage("/images/home-nav/sub/rates-services-over.gif");
		//var ordernow_over = newImage("/images/home-nav/sub/ordernow-over.gif");

		//services/design
		var portfolio_over = newImage("/images/home-nav/sub/portfolio-over.gif");
		//var rates_services_over = newImage("/images/home-nav/sub/rates-services-over.gif");
		//var request_quote_over = newImage("/images/home-nav/sub/request-quote-over.gif");

		preloadFlag = true;
	}
}