var win;
function cl_win() {
		win = window.open('calender.html', 'mywindow2', 'width=780px, height=580px, menubar=yes, toolbar=no, scrollbars=yes');
}
function fl_win() {
		win = window.open('flog.html', 'mywindow3', 'width=220px, height=110px, menubar=no, toolbar=no, scrollbars=yes');
}

function cal_chk(w , h){
	var ua = navigator.userAgent ;
	var num = ua.match("Safari\/[0-9]{1,4}\.[0-9]{1,2}");
	if ( num != null ){
		num = parseFloat(String(num).replace("Safari/",""));
		if( num < 400 ){
			document.write('<iframe src="http://gravity-jp.com/no_calendar.html" style=" border-width:0 " width="'+ w +'" height="270" frameborder="0" scrolling="no"></iframe>');
			return;
		}
	}	
document.write('<iframe src="//www.google.com/calendar/embed?showTitle=0&amp;height=400&amp;wkst=2&amp;bgcolor=%23FFFFFF&amp;src=info%40gravity-jp.com&amp;color=%23B1365F&amp;ctz=Asia%2FTokyo" style=" border-width:0 " width="'+ w +'" height="'+ h +'" frameborder="0" scrolling="no"></iframe>');
}