// JavaScript Document

window.onload = function() {
	bgcolor = new Array();
	bgcolor[0] = "../image/common/nitcho_background0.gif";
	bgcolor[1] = "../image/common/nitcho_background1.gif";
	bgcolor[2] = "../image/common/nitcho_background2.gif";
	bgcolor[3] = "../image/common/nitcho_background3.gif";
	bgcolor[4] = "../image/common/nitcho_background4.gif";
	bgcolor[5] = "../image/common/nitcho_background5.gif";
	bgcolor[6] = "../image/common/nitcho_background6.gif";
	var today  = new Date();
	var siten  = new Date( 2009,0,1);
	var myMsec = today.getTime()-siten.getTime();
	var cou  = Math.floor(myMsec / (1000*60*60*24));
	document.body.style.backgroundImage = "url("+bgcolor[today.getDay()]+")";
}