function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}
function changeImagesArray(array) {
	if (preloadFlag == true) {
		var d = document; var img;
		for (var i=0; i<array.length; i+=2) {
			img = null; var n = array[i];
			if (d.images) {img = d.images[n];}
			if (!img && d.getElementById) {img = d.getElementById(n);}
			if (img) {img.src = array[i+1];}
		}
	}
}
function changeImages() {
	changeImagesArray(changeImages.arguments);
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		pre_lake_tahoe_vacation_over = newImage('images/lake-tahoe-vacation-over.gif');
		pre_renting_your_property_over = newImage('images/renting-your-property-over.gif');
		pre_contact_over = newImage('images/contact-over.gif');
		pre_owner_login_over = newImage('images/owner-login-over.gif');
		pre_tahoe_vacation_rentals_over = newImage('images/tahoe-vacation-rentals-over.gif');
		pre_quotes_pictures_over = newImage('images/quotes-pictures-over.gif');
		pre_real_estate_over = newImage('images/real-estate-over.gif');
		pre_rental_policies_over = newImage('images/rental-policies-over.gif');
		pre__4th_night_free_over = newImage('images/4th-night-free-over.gif');
		pre_lake_tahoe_map_over = newImage('images/lake-tahoe-map-over.gif');
		pre_home_over = newImage('images/home-over.gif');
		preloadFlag = true;
	}
}