function mobile_form(bukken_id) {
	url = "http://www.nomu.com/mobile/details_to_mobile.php?id=" + bukken_id;
	openWinToCenter("newwin", "500", "720", url);
}
function openWinToCenter(win_name, width, height, url) {
	win_w = width ;
	win_h = height ;
	winname = win_name ;
	win_left = (screen.width/2) - (win_w/2) ;
	win_top = (screen.height/2) - (win_h/2) ;
	if (screen.width < win_w || screen.height < win_h) {
		win_left = 0 ;
		win_top = 0 ;
	}
	w_option = 'width=' +win_w+ ', height=' +win_h+ ', top=' +win_top+ ',left=' +win_left+ ', toolbar=no,location=yes,status=no,scrollbars=yes,resizable=yes' ;
	window.open(url, winname, w_option) ;
}