// JavaScript Document
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("images/home-over.gif");
		food_over = newImage("images/food-over.gif");
		drinks_over = newImage("images/drinks-over.gif");
		entert_over = newImage("images/entert-over.gif");
		rooms_over = newImage("images/rooms-over.gif");
		cater_over = newImage("images/cater-over.gif");
		cal_over = newImage("images/cal-over.gif");
		dir_over = newImage("images/dir-over.gif");
		preloadFlag = true;
	}
}