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) {
		product_safety_over = newImage("images/product_safety_over.gif");
		product_safety_over004 = newImage("images/product_safety_over-04.gif");
		product_safety_over005 = newImage("images/product_safety_over-05.gif");
		product_safety_over006 = newImage("images/product_safety_over-06.gif");
		check_valves_over = newImage("images/check-valves_over.gif");
		check_valves_over009 = newImage("images/check-valves_over-09.gif");
		check_valves_over010 = newImage("images/check-valves_over-10.gif");
		check_valves_over011 = newImage("images/check-valves_over-11.gif");
		check_valves_over012 = newImage("images/check-valves_over-12.gif");
		check_valves_over013 = newImage("images/check-valves_over-13.gif");
		air_actuated_over = newImage("images/air-actuated_over.gif");
		air_actuated_over016 = newImage("images/air-actuated_over-16.gif");
		unloader_pilot_over = newImage("images/unloader-pilot_over.gif");
		unloader_pilot_over019 = newImage("images/unloader-pilot_over-19.gif");
		unloader_pilot_over020 = newImage("images/unloader-pilot_over-20.gif");
		unloader_pilot_over021 = newImage("images/unloader-pilot_over-21.gif");
		unloader_pilot_over022 = newImage("images/unloader-pilot_over-22.gif");
		piloted_over = newImage("images/piloted_over.gif");
		piloted_over025 = newImage("images/piloted_over-25.gif");
		piloted_over026 = newImage("images/piloted_over-26.gif");
		piloted_over027 = newImage("images/piloted_over-27.gif");
		products_over = newImage("images/products_over.gif");
		products_over030 = newImage("images/products_over-30.gif");
		products_over031 = newImage("images/products_over-31.gif");
		products_over032 = newImage("images/products_over-32.gif");
		products_over033 = newImage("images/products_over-33.gif");
		products_over034 = newImage("images/products_over-34.gif");
		products_over035 = newImage("images/products_over-35.gif");
		products_over036 = newImage("images/products_over-36.gif");
		products_over037 = newImage("images/products_over-37.gif");
		combo_over = newImage("images/combo_over.gif");
		combo_over040 = newImage("images/combo_over-40.gif");
		combo_over041 = newImage("images/combo_over-41.gif");
		combo_over042 = newImage("images/combo_over-42.gif");
		bullwhip_over = newImage("images/bullwhip_over.gif");
		bullwhip_over045 = newImage("images/bullwhip_over-45.gif");
		bullwhip_over046 = newImage("images/bullwhip_over-46.gif");
		bullwhip_over047 = newImage("images/bullwhip_over-47.gif");
		bullwhip_over048 = newImage("images/bullwhip_over-48.gif");
		bullwhip_over049 = newImage("images/bullwhip_over-49.gif");
		bullwhip_over050 = newImage("images/bullwhip_over-50.gif");
		specialty_over = newImage("images/specialty_over.gif");
		specialty_over053 = newImage("images/specialty_over-53.gif");
		specialty_over054 = newImage("images/specialty_over-54.gif");
		specialty_over055 = newImage("images/specialty_over-55.gif");
		specialty_over056 = newImage("images/specialty_over-56.gif");
		specialty_over057 = newImage("images/specialty_over-57.gif");
		specialty_over058 = newImage("images/specialty_over-58.gif");
		specialty_over059 = newImage("images/specialty_over-59.gif");
		misc__over = newImage("images/misc._over.gif");
		misc__over062 = newImage("images/misc._over-62.gif");
		misc__over063 = newImage("images/misc._over-63.gif");
		misc__over064 = newImage("images/misc._over-64.gif");
		misc__over065 = newImage("images/misc._over-65.gif");
		misc__over066 = newImage("images/misc._over-66.gif");
		misc__over067 = newImage("images/misc._over-67.gif");
		misc__over068 = newImage("images/misc._over-68.gif");
		misc__over069 = newImage("images/misc._over-69.gif");
		products_over071 = newImage("images/products_over-71.gif");
		products_over072 = newImage("images/products_over-72.gif");
		products_over073 = newImage("images/products_over-73.gif");
		products_over074 = newImage("images/products_over-74.gif");
		products_over075 = newImage("images/products_over-75.gif");
		products_over076 = newImage("images/products_over-76.gif");
		products_over077 = newImage("images/products_over-77.gif");
		products_over078 = newImage("images/products_over-78.gif");
		products_over079 = newImage("images/products_over-79.gif");
		products_over081 = newImage("images/products_over-81.gif");
		products_over082 = newImage("images/products_over-82.gif");
		products_over083 = newImage("images/products_over-83.gif");
		products_over084 = newImage("images/products_over-84.gif");
		products_over085 = newImage("images/products_over-85.gif");
		products_over086 = newImage("images/products_over-86.gif");
		products_over087 = newImage("images/products_over-87.gif");
		products_over088 = newImage("images/products_over-88.gif");
		products_over089 = newImage("images/products_over-89.gif");
		products_over091 = newImage("images/products_over-91.gif");
		products_over092 = newImage("images/products_over-92.gif");
		products_over093 = newImage("images/products_over-93.gif");
		products_over094 = newImage("images/products_over-94.gif");
		products_over095 = newImage("images/products_over-95.gif");
		products_over096 = newImage("images/products_over-96.gif");
		products_over097 = newImage("images/products_over-97.gif");
		products_over098 = newImage("images/products_over-98.gif");
		products_over099 = newImage("images/products_over-99.gif");
		preloadFlag = true;
	}
}