รบกวนพี่ช่วยหน่อยนะค่ะการแอดข้อมูลไม่ตรงตามเงื่อนไข

<?
require_once('../Connections/conn.php');
$id_room  = $_POST[id_room];
$no_room = $_POST[no_room];
$name_room = $_POST[name_room];
$add_room = $_POST[add_room];
$Tel_room = $_POST[Tel_room];

if(!$name_room || !$add_room || !$Tel_room)
	{
	?>
	<script language="javascript">
	alert("กรุณากรอกข้อมูลให้ครบ");
	location="add_room.php";
	</script>
	<?
	}
	
	print_r($_FILES[up_file]);
	echo "<br>";
	$parth= "../picture/room/"; 
	$expname = explode('.',$_FILES[up_file][name]);
	$img_surname =$expname[1];
	if($img_surname!='gif'&&$img_surname!='GIF'	&&$img_surname!='jpg'&&$img_surname!='JPG'&&$img_surname!='jpeg'&&$img_surname!='JPEG'&&$img_surname!='bmp'&&$img_surname!='BMP'&&$img_surname!='png'&&$img_surname!='PNG')
					{
					?>
					<script language="javascript">
					alert("สกุลไฟล์ไม่สนับสนุน");
					location="manage_room.php";
					</script>
					<?
					}
					if($_FILES[up_file][size]>1024000)
					{	
					?>
					<script language="javascript">
					alert("???");
					location="manage_room.php";
					</script>
					<?
					}
					else
					{
					$pic_name = date('dmYHis').".".$img_surname;	
					copy($_FILES[up_file][tmp_name],$parth.$pic_name);
					
$sql_add ="INSERT INTO  `ibookiwct`.`db_room` (`id_room` ,`no_room`,`name_room` ,`add_room`,`Tel_room` ,`pic`)VALUES (NULL , '$no_room', '$name_room' ,'$add_room','$Tel_room','$pic_name')";			
$query_add = mysql_query($sql_add);
if ($query_add)
{
?>
<script language="javascript">
	alert("บันทึกข้อมูลเรียบร้อย");
location="manage_room.php";
</script>
<?
}
else  
{
?>
<script language="javascript">
	alert("ไม่สามารถบันทึกข้อมูลได้!!");
	location="manage_room.php";
</script>
<?
}
					}
?>