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) {
		bvision_over = newImage("images/bvision-over.gif");
		bservices_over = newImage("images/bservices-over.gif");
		bprocess_over = newImage("images/bprocess-over.gif");
		bclients_over = newImage("images/bclients-over.gif");
		bhome_over = newImage("images/bhome-over.gif");
		bcontact_over = newImage("images/bcontact-over.gif");
		bjobs_over = newImage("images/bjobs-over.gif");
		bfaq_over = newImage("images/bfaq-over.gif");
		babout_over = newImage("images/babout-over.gif");
		preloadFlag = true;
	}
}

preloadImages();