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) {
		map_09_map_03_over = newImage("/images/map/map_09-map_03_over.gif");
		map_12_over 	   = newImage("/images/map/map_12-over.gif");
		map_13_map_12_over = newImage("/images/map/map_13-map_12_over.gif");
		map_17_map_12_over = newImage("/images/map/map_17-map_12_over.gif");
		map_20_map_12_over = newImage("/images/map/map_20-map_12_over.gif");
		map_21_map_12_over = newImage("/images/map/map_21-map_12_over.gif");
		map_23_map_03_over = newImage("/images/map/map_23-map_03_over.gif");
		map_24_map_03_over = newImage("/images/map/map_24-map_03_over.gif");
		map_27_map_21_over = newImage("/images/map/map_27-map_21_over.gif");
		map_29_map_21_over = newImage("/images/map/map_29-map_21_over.gif");
		map_32_map_21_over = newImage("/images/map/map_32-map_21_over.gif");
		map_33_map_03_over = newImage("/images/map/map_33-map_03_over.gif");
		map_38_map_21_over = newImage("/images/map/map_38-map_21_over.gif");
		map_39_map_21_over = newImage("/images/map/map_39-map_21_over.gif");

		arb_over 					= newImage("/images/logos/arb.gif");
		css_financial_over			= newImage("/images/logos/css_financial_partners.gif");
		css_stellar_management_over	= newImage("/images/logos/css_stellar_management.gif");
		echo_over 					= newImage("/images/logos/echo.gif");
		gem_group_over 				= newImage("/images/logos/gem_group.gif");
		icon_display_over 			= newImage("/images/logos/icon_display.gif");
		pfd_over 					= newImage("/images/logos/pfd.gif");
		target_over 				= newImage("/images/logos/target.gif");
		the_sponsorship_over 		= newImage("/images/logos/the_sponsorship_consultancy.gif");

		preloadFlag = true;
	}
}