if( is_mac )
{
	if( is_gecko )
		document.writeln('<link rel="stylesheet" href="/style/mozilla_mac.css" tyle="text/css" />');
	else
		document.writeln('<link rel="stylesheet" href="/style/ie5_mac.css" tyle="text/css" />');
}
else if( is_ie5_5 || is_ie5 )
	document.writeln('<link rel="stylesheet" href="/style/ie5.css" tyle="text/css" />');
else if( is_ie6up )
	document.writeln('<link rel="stylesheet" href="/style/ie6.css" tyle="text/css" />');
else
	document.writeln('<link rel="stylesheet" href="/style/mozilla.css" tyle="text/css" />');