รบกวนขอ Code Login แบบที่มี จดจำการล็อคอินด้วยครับ

<?
			session_start();
			if($_POST['mode']=="login"){
						$re=mysql_query("select user,pass from  table_user where username='$u' and pass='$p' and status='1'") or die(mysql_error());
						$row=mysql_num_rows($re);
						if($row>0){
							$rs=mysql_fetch_array($re);
												$AdminUuser=$rs[1];
												$AdminPuser=$rs[2];
												session_register("AdminUuser");
												session_register("AdminPuser");
												$msg='<CENTER><FONT SIZE="3" COLOR="#FF0000">USER CAN ACCESS.</FONT></CENTER>';
												echo'<meta http-equiv="refresh" content="2;URL=./welcome.php">';
						}else{
													echo'<meta http-equiv="refresh" content="2;URL=./?msg=YOUR USER CAN NOT ACCESS TO CONTROL PANEL.">';
						}
			}
			$textdata.='<BR><FORM METHOD=POST ACTION="">
							<TABLE align=center border="0" cellpadding="10" cellspacing="0" class="box">
										<TR><TD colspan=2 align="center" class="content_head">LOGIN</TD></TR>
										<TR><TD align=right width="50%">User Name: </TD><TD  align=left><INPUT TYPE="text" NAME="u"></TD></TR>
										<TR><TD align=right>Password : </TD><TD align=left><INPUT TYPE="password" NAME="p"></TD></TR>
										<TR><TD colspan=2 align="center"><INPUT TYPE="hidden" NAME="mode" value="login"><INPUT TYPE="submit" name="btn" value="::  เข้าสู่ระบบ  ::"></TD></TR>
						</TABLE>
		<CENTER><FONT SIZE="5" COLOR="#FF0000">'.$msg.'</FONT></CENTER></FORM>';
echo $textdata;
?>