var imagesPreloaded = false;

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function imageReplace(imageId, newImagePath) {
	if ( (document.images) && (imagesPreloaded == true) ) {
		document[imageId].src = newImagePath;
	}
}

function preloadImages() {
	if (document.images) {
		homeButton_hover = newImage("poyarcars_files/homeButton_hover.gif");
		carsButton_hover = newImage("poyarcars_files/carsButton_hover.gif");
		trucksButton_hover = newImage("poyarcars_files/trucksButton_hover.gif");
		suvsButton_hover = newImage("poyarcars_files/suvsButton_hover.gif");
		vansButton_hover = newImage("poyarcars_files/vansButton_hover.gif");
		directionsButton_hover = newImage("poyarcars_files/directionsButton_hover.gif");
		faqButton_hover = newImage("poyarcars_files/faqButton_hover.gif");
		aboutusButton_hover = newImage("poyarcars_files/aboutusButton_hover.gif");
		imagesPreloaded = true;
	}
}