function

function linksql2($db_ip,$db_us,$db_ps,$database)
{
	global $HOST;
	if(@$_SERVER['SERVER_NAME']=='.duapp.com'||@$_SERVER['SERVER_NAME']=='vip..duapp.com')
	{
		$HOST ='LineServer';
	    $id=mysql_connect('..com:4050','','');
	    mysql_select_db('',$id);	
	}
	else
	{
		$HOST='LocalHost';
		$id=mysql_connect($db_ip,$db_us,$db_ps);
    	mysql_select_db($database,$id);
	}
    mysql_query('SET NAMES UTF8');
    return $id;
}