//-----------------------------------------------------------
//「ワールド航空サービス」左メニュー表示用プログラム
//Programed by Takashi Yamada<yamada@yo-brain.co.jp>
//(C)2003 Takashi Yamada<takashi@yamacyan.jp>
//(C)2003 YO'BRAIN Inc.
//2003/06/09:Version 1.2:Takashi Yamada<takashi@yamacyan.jp>
//-----------------------------------------------------------
var ie = (document.all)?true:false;
var newPaletteY = newPaletteYs = 0;
var paletteY = 0;
var paletteYs = -130;
var static_x=10;

function menuInitialization(){
	document.getElementById('menu').style.top = paletteY;
	document.getElementById('menu').style.visibility = 'visible';

	document.getElementById('logo_s').style.top = paletteYs;
	document.getElementById('logo_s').style.visibility = 'visible';
	setInterval('updatePalettePosition()',1);
}
function updatePalettePosition(){
	nowY = newPaletteYs = newPaletteY = (ie) ? document.body.scrollTop : window.pageYOffset;
	newPaletteYs = (nowY > 30) ? newPaletteYs -= 10 : newPaletteYs = -130;
	newPaletteY -= (nowY > 85) * 90;
	newPaletteYs -= (nowY > 85) * 90;
	paletteYs += (newPaletteYs - paletteYs) * 0.12;
	paletteY += (newPaletteY - paletteY) * 0.12;
	document.getElementById('menu').style.top = Math.round(paletteY);
	document.getElementById('logo_s').style.top = Math.round(paletteYs);
}