lastgame2007 -3 Newbie Poster

help, i cant update my image i cant use session because,its admin who is providing the profile of the student,
kindly take a look, what went wrong!

<?php
					
	$pic= $_FILES["piksur"]["name"];
	if(isset($_POST['submit']))
	{
	mysql_query("update students set idno='$_POST[id]',
	year='$_POST[year]',
	lastname='$_POST[lname]',
	firstname='$_POST[fname]',
	middlename='$_POST[mname]',
	birthplace='$_POST[bplace]',
	birthdate='$_POST[bdate]',
	religion='$_POST[religion]',
	studentcontact='$_POST[scontact]',
	studentaddress='$_POST[saddress]',
	father='$_POST[father]',
	fathercontact='$_POST[fatcon]',
	mother='$_POST[mother]',
	mothercontact='$_POST[motcon]',
	famaddress='$_POST[fam]',
	guardian='$_POST[guardian]',
	relationship='$_POST[grelation]',
	guardiancontact='$_POST[gcontact]',
	guardianaddress='$_POST[gaddress]',
	pass='$_POST[pass]',
	picname='$pic',
	prename='$_POST[prename]',
	pref='$_POST[pref]',
	pree='$_POST[pree]',
	elemname='$_POST[elemname]',
	elemf='$_POST[elemf]',
	eleme='$_POST[eleme]',
	dadmitted='$_POST[dadmit]'
	where id='$_GET[up_student]'")or die (mysql_error());
	if($pic=="")
		 {	
mysql_query("update students set picname='$view[21]' where id='$_SESSION[id]'")or die(mysql_error());
move_uploaded_file($_FILES["piksur"]["tmp_name"], "studentpic/".$_SESSION[id]);
		}
		else
		{
mysql_query("update students set picname='$pic' where id ='$_GET[up_student]'") or die(mysql_error());
move_uploaded_file($_FILES["piksur"]["tmp_name"], "studentpic/".$pic);
		}	
	
	echo "<script language='javascript'>
  			alert('Record Updated')
 			window.location='viewstudent.php';
   			</script>";		
	}
?>