/*
	http://www.tsuruga.com/js/imgmenu.js
*/

var preloadFlag	= false;
var orverimg	= [];

/* Header menu */
//var imgroot		= "http://www.tsuruga.com/images/header/";
var imgroot		= "imgs/header/";
var bnames		= ["facilities","spa","rooms","cuisine","floorguides","access","reserve","inquiry"];
var bfimgs		= ["facilities-f","spa-f","rooms-f","cuisine-f","floorguides-f","access-f","reserve-f","inquiry-f"];
var btimgs		= ["facilities-t","spa-t","rooms-t","cuisine-t","floorguides-t","access-t","reserve-t","inquiry-t"];
var bcimgs		= ["facilities-c","spa-c","rooms-c","cuisine-c","floorguides-c","access-c","reserve-c","inquiry-c"];
var bnms		= ["施設","温泉","お部屋","お食事","フロアガイド","交通アクセス","ご予約","お問い合せ"];
var now			= 10;

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

function preloadImages() {
	if (document.images) {
		var i = 0;
		for(i=0; i<btimgs.length; i++) {
			orverimg[i]		= newImage(imgroot + btimgs[i] + ".gif");
		}
		preloadFlag = true;
	}
}

function changeImages(id, img) {
	if (document.images && (preloadFlag == true)) {
		document.getElementById(id).src = imgroot + img + ".gif";
	}
}

/* Header menu */
function moverhm(num) {
	num = eval(num);
	changeImages(bnames[num], btimgs[num]);
	return true;
}

function mouthm(num) {
	num = eval(num);
	if (num != now) {
		changeImages(bnames[num], bfimgs[num]);
	}
	return true;
}

function mclickhm(num) {
	num = eval(num);
	changeBkgImages(bnames[num], bcimgs[num]);
	return true;
}