var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		pre_kitchens = newImage('images/sideMenu/kitchens1.jpg');
		pre_bathrooms = newImage('images/sideMenu/bathrooms1.jpg');
		pre_heatingCooling = newImage('images/sideMenu/heatingCooling1.jpg');
		pre_waterworks = newImage('images/sideMenu/waterworks1.jpg');
		pre_contact = newImage('images/contact1.jpg');
preloadFlag = true;
	}
}