function winOpen(num) {

	if(num == 1) {
		newwin=window.open("privacy.html","privacy",'toolbar=0,location=0,status0,menubar=0,scrollbars=yes,resizable=yes,width=580,height=650');
		}
	else if(num == 2) {
		newwin=window.open("environment.html",'environment','toolbar=0,location=0,status0,menubar=0,scrollbars=yes,resizable=yes,width=580,height=620');
		}
	else if(num == 3) {
		newwin=window.open("map.html",'environment','toolbar=0,location=0,status0,menubar=0,scrollbars=yes,resizable=yes,width=540,height=430');
		}
  newwin.focus();
}

if (document.images) {
	img1 = new Image(); img1.src = "image/btn_01_s.gif";
	img2 = new Image(); img2.src = "image/btn_02_s.gif";
	img3 = new Image(); img3.src = "image/btn_03_s.gif";
	img4 = new Image(); img4.src = "image/btn_04_s.gif";
	img5 = new Image(); img5.src = "image/btn_05_s.gif";
	img6 = new Image(); img6.src = "image/btn_06_s.gif";
	img7 = new Image(); img7.src = "image/btn_07_s.gif";

	imgs1 = new Image(); imgs1.src = "image/btn_02_s01_s.gif";
	imgs2 = new Image(); imgs2.src = "image/btn_02_s02_s.gif";
	imgs3 = new Image(); imgs3.src = "image/btn_02_s03_s.gif";
}

function setImage(img, image) {
	if (img) {
		img.src = image;
	}
}

function show(id) {
	if (document.all) {
		document.all.item(id).style.visibility = "visible";
	}
	else if (document.layers) {
		document.layers[id].visibility = "show";
	}
	else if (document.getElementById) {
		document.getElementById(id).style.visibility = "visible";
	}
}

function hide(id) {
	if (document.all) {
		document.all.item(id).style.visibility = "hidden";
	}
	else if (document.layers) {
		document.layers[id].visibility = "hide";
	}
	else if (document.getElementById) {
		document.getElementById(id).style.visibility = "hidden";
	}
}

function hideSub(e) {

	var xx = Number(e.x);
	var yy = Number(e.y);

	if ((xx >= 0 && xx <= 167) && (yy > 81 && yy < 114)) {
		return;
	}
	else {
		if ((xx >= 167 && xx < 330) && (yy > 86 && yy < 178)) {
			return;
		} else {
			hide('menu_s00');
		}
	}
}

function c_hand(palm) {
    palm.style.cursor = "hand";
}

// アイコン排他制御用
var selObj;
var selImage;

function setSelObj(obj) {
	selObj = obj;
}

function getSelObj() {
	return selObj;
}

function setSelImage(image) {
	selImage = image;
}

function getSelImage() {
	return selImage;
}

function setImage_procs(obj, mapname, mapimage, icnimage, icnimage_s) {

	// アイコン排他制御
	if(selObj != null && selImage != null) {
		chgObj = getSelObj();
		chgImage = getSelImage();

		chgObj.src = chgImage;
	}

	// 説明表示
	if(mapname) {
		mapname.src = mapimage;
	}

	// アイコン変更
	if(obj) {
		obj.src = icnimage_s;
	}

	// 変更状態のアイコン情報をセット
	setSelObj(obj);
	setSelImage(icnimage);
}