// JavaScript Document

//　ロールオーバーボタン
nMaxItem = 4;
NameIndex = 0;
DefaultState = 1;
MouseOverState = 2;
MouseDownState = 3;
imgCounter = 0;
ImageList = new Array();
bIsSupportOK = (
	((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 )) ||
	((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 ))
);
function AddImageToImageList(name, Default, MouseOver, MouseDown)
{
	ImageList[imgCounter] = new Array(nMaxItem);
	ImageList[imgCounter][NameIndex] = name;
	ImageList[imgCounter][DefaultState] = new Image();
	ImageList[imgCounter][DefaultState].src = Default;
	if (MouseOver != "") {
		ImageList[imgCounter][MouseOverState] = new Image();
		ImageList[imgCounter][MouseOverState].src = MouseOver;
	}
	if (MouseDown != "") {
		ImageList[imgCounter][MouseDownState] = new Image();
		ImageList[imgCounter][MouseDownState].src = MouseDown;
	}
	imgCounter++;
}
function ReplaceImage(name, state)
{
	for (i = 0; i < imgCounter; i++) {
		if (document.images[ImageList[i][NameIndex]] != null) {
			if ((name == ImageList[i][NameIndex]) && (ImageList[i][state] != null))
				document.images[name].src = ImageList[i][state].src;
		}
	}
}
AddImageToImageList("home", "img/menu/home-n.gif", "img/menu/home-o.gif", "img/menu/home-o.gif");
AddImageToImageList("lesson", "img/menu/lesson-n.gif", "img/menu/lesson-o.gif", "img/menu/lesson-o.gif");
AddImageToImageList("camp", "img/menu/camp-n.gif", "img/menu/camp-o.gif", "img/menu/camp-o.gif");
AddImageToImageList("test", "img/menu/test-n.gif", "img/menu/test-o.gif", "img/menu/test-o.gif");
AddImageToImageList("comp", "img/menu/comp-n.gif", "img/menu/comp-o.gif", "img/menu/comp-o.gif");
AddImageToImageList("ryuo", "img/menu/ryuo-n.gif", "img/menu/ryuo-o.gif", "img/menu/ryuo-o.gif");
AddImageToImageList("takaifuji", "img/menu/takaifuji-n.gif", "img/menu/takaifuji-o.gif", "img/menu/takaifuji-o.gif");
AddImageToImageList("yomase", "img/menu/yomase-n.gif", "img/menu/yomase-o.gif", "img/menu/yomase-o.gif");
AddImageToImageList("access", "img/menu/access-n.gif", "img/menu/access-o.gif", "img/menu/access-o.gif");
AddImageToImageList("stuff", "img/menu/stuff-n.gif", "img/menu/stuff-o.gif", "img/menu/stuff-o.gif");
AddImageToImageList("blog", "img/menu/blog-n.gif", "img/menu/blog-o.gif", "img/menu/blog-o.gif");
AddImageToImageList("link", "img/menu/link-n.gif", "img/menu/link-o.gif", "img/menu/link-o.gif");
AddImageToImageList("photo", "img/menu/photo-n.gif", "img/menu/photo-o.gif", "img/menu/photo-o.gif");


//　テーブル背景チェンジ
function tableBG(trObject, status){
	var bgColor = status ? "#FFFFCC" : "";
	trObject.style.backgroundColor = bgColor;
}