//TopBanner
function TopBanner() {
			var random=Math.random();
			document.write('<IFRAME WIDTH="728" HEIGHT="90" MARGINWIDTH="0" MARGINHEIGHT="0" HSPACE="0" VSPACE="0" FRAMEBORDER="0" SCROLLING="NO" SRC="http://ad.nttnavi.co.jp/html.ng/site=Nifty&spacedesc=nseason&transactionID='+random+'?">');
			document.write('<SCR'+'IPT LANGUAGE="JavaScript1.1" SRC="http://ad.nttnavi.co.jp/js.ng/Params.richmedia=yes&site=Nifty&spacedesc=nseason&transactionID='+random+'?">');
			document.write('</SCR'+'IPT>');
			document.write('</IFRAME>');
}

function scrolltop(){
		new Effect.ScrollTo('pagetop');
}