window.onload = function() {
	bgc = new Array();
	bgc[0] = "url(img/topbodyBg_hotate.jpg)";
	bgc[1] = "url(img/topbodyBg_ebi.jpg)";
	bgc[2] = "url(img/topbodyBg_subuta.jpg)";
	n = Math.floor(Math.random()*bgc.length);
	document.getElementById('wrap').style.backgroundImage = bgc[n]
	//bytefx.fade(document.getElementById('wrap'),0,100,5),
	//bytefx.fade(document.getElementById('topmastheadlogo'),0,100,6),
	//bytefx.fade(document.getElementById('contentsMainTopInformation'),0,85,6),
	//bytefx.alpha(document.getElementById('contentsMainTopInformation'),85),
	//bytefx.fade(document.getElementById('topglobalnavi'),0,100,6)
};//onload End