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) {
		home_over = newImage("../img/images/home-over.gif");
		preloadFlag = true;
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		heating_over = newImage("../img/images/heating-over.gif");
		preloadFlag = true;
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		ac_over = newImage("../img/images/ac-over.gif");
		preloadFlag = true;
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		ventilation_over = newImage("../img/images/ventilation-over.gif");
		preloadFlag = true;
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		indoor_over = newImage("../img/images/indoor-over.gif");
		preloadFlag = true;
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		preventive_over = newImage("../img/images/preventive-over.gif");
		preloadFlag = true;
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		service_over = newImage("../img/images/service-over.gif");
		preloadFlag = true;
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		bids_over = newImage("../img/images/bids-over.gif");
		preloadFlag = true;
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		HeatingAC_over = newImage("../img/images/HeatingAC-over.gif");
		preloadFlag = true;
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		doityourself_over = newImage("../img/images/doityourself-over.gif");
		preloadFlag = true;
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		Specials_over = newImage("../img/images/Specials-over.gif");
		preloadFlag = true;
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		store_over = newImage("../img/images/store-over.gif");
		preloadFlag = true;
	}
}