if($_POST[ty]==1){ //admin
$sql="select * from admin WHERE (am_user='$_POST[un]') and (am_pass='$_POST[pw]')";
$result=mysql_query($sql) or die ("ดึงข้อมูล Admin มาแสดงไม่ได้..!!");
$num = mysql_num_rows($result) ;
$data=mysql_fetch_array($result);
if($num!=0){
$amid=$data[am_id];
if (getenv(HTTP_X_FORWARDED_FOR))
$ip=getenv(HTTP_X_FORWARDED_FOR);
else
$ip=getenv(REMOTE_ADDR);
$day=date("Y-m-d");
$ti=date("H:i:s");
$sql="INSERT INTO system SET am_id='$amid', s_date='$day', s_in='$ti', s_ip='$ip', s_type=1";
mysql_query($sql) or die("can't in system1");
$sid=mysql_insert_id();
$sql="select * from student WHERE (st_user='$_POST[un]') and (st_pass='$_POST[pw]')";
$result=mysql_query($sql) or die ("ดึงข้อมูล st มาแสดงไม่ได้..!!");
$num = mysql_num_rows($result) ;
$data=mysql_fetch_array($result);
if($num!=0){
$stid=$data[st_id];
if (getenv(HTTP_X_FORWARDED_FOR))
$ip=getenv(HTTP_X_FORWARDED_FOR);
else
$ip=getenv(REMOTE_ADDR);
$day=date("Y-m-d");
$ti=date("H:i:s");
$sql="INSERT INTO system SET st_id='$stid', s_date='$day', s_in='$ti', s_ip='$ip', s_type=2";
mysql_query($sql) or die("can't in system2");
$sid=mysql_insert_id();