https://firealpaca.com/fa_v2/js/function.js?v=FA_V2_20260930

1function env_user_os()
2{
3	var ua = window.navigator.userAgent.toLowerCase();
4	var os = 0;
5
6	if( ua.indexOf( 'windows nt' ) !== -1 )
7	{
8		//Windows
9		os = 1;
10	}
11	else
12	if( ua.indexOf( 'mac os x') !== -1 )
13	{
14		//macOS
15		os = 2;
16	}
17	else
18	if( ua.indexOf( 'iphone' ) !== -1 || ua.indexOf( 'ipad' ) !== -1 )
19	{
20		//iOS
21		os = 3;
22	}
23	else
24	if( ua.indexOf( 'android' ) !== -1 )
25	{
26		//Android
27		os = 4;
28	}
29	else
30	{
31		//Linux-Other
32		os = 0;
33	}
34	
35	return os;
36}
37
38function env_windows_os_bit( bit_default )
39{
40	var bit = bit_default;
41	var ua	= navigator.userAgent;
42
43	if( ua.match( /Win/ ) || navigator.platform.indexOf( 'Win' ) != -1 )
44	{
45		if( navigator.platform == 'Win64' || ua.indexOf( 'Win64' ) != -1 || ua.indexOf( 'WOW64' ) != -1 )
46		{
47			bit = '64';
48		}
49		else
50		if( ua.indexOf( 'MSIE' ) != -1)
51		{
52			bit = '32';
53		}
54		else
55		{
56			bit = '32';
57		}
58	}
59	
60	return bit;
61}