var home_url = '';
//http://www.workload.co.jp/demo/ws-hikari/';
//var home_url = 'http://www.workload.co.jp/demo/ws-hikari/';
//var home_url = 'http://192.168.0.3/~workshop-hikari/';
var img_list = new Array(
	"img/title02-01.gif",	/* mTopMenu1:新規登録メニュー */
	"img/title02-11.gif",	/* mTopMenu2:新規登録メニュー */
	"img/title02-21.gif",	/* mTopMenu3:新規登録メニュー */
	"img/title02-31.gif",	/* mTopMenu4:新規登録メニュー */
	"img/title02-41.gif",	/* mTopMenu5:新規登録メニュー */
	"img/btn_search_o.gif",	/* btnSearch:検索ボタン */
	"img/title02-51.gif"	/* mTopMenu6:会社概要メニュー */
);
var buf_img = new Array();
var swap_index, swap_obj;
window.onload = navi_preLoad;

function navi_preLoad() {
	var i;

	for (i = 0; i < img_list.length; i++) {
		buf_img[i] = new Image();
		buf_img[i].src = home_url + img_list[i];
	}
}
function navi_swapImage(name, index) {
	var buf = new Image();

	swap_obj = getObj(name);
	swap_index = index;

	buf.src = swap_obj.src;
	swap_obj.src = buf_img[index].src;
	buf_img[index].src = buf.src;
}
function navi_restoreImage() {
	var buf = new Image();

	buf.src = buf_img[swap_index].src;
	buf_img[swap_index].src = swap_obj.src;
	swap_obj.src = buf.src;
}
function getObj(name) {
	var obj;

	if ( !(obj = document[name]) ) {
		if ( document.all ) { obj = document.all[name]; }
		else if ( document.getElementById ) { obj = document.getElementById(name); }
	}
	return obj;
}