<?php 
ob_start();
session_start();
include("header.php");
 $_SESSION["uid"];

if($_SESSION["uid"]=="")
	{
		header('location:login.php');

    exit();
		
	} 
	/* echo '<pre>';
	print_r($_SESSION);
	echo '</pre>'; */
	$user_id=$_SESSION['uid'];
	$board=mysql_fetch_array (mysql_query("SELECT `user`.`board_id` FROM user WHERE `id`='".$user_id."'"));
	$board_id=$board['board_id'];
	$subject_sql=mysql_query("SELECT id, subject FROM `exam_subject_master` WHERE `exam_board_id` =".$board_id." AND id!='19'");
?>
<script>
	$(document).ready(function(){
		
		$(".container").on('click', '.choose_subject', function(){
			val=$(this).attr('val');
			id=$(this).attr('id');
			html=$(this).html();
			if($("#selected_subjects ul li").length<4){
				ex=$("#selected_subjects ul li#sel_sub_"+val).length;
				if(!ex){
					$("#selected_subjects ul").append('<li val="'+val+'" class="selected_subject" id="sel_sub_'+val+'">'+html+'</li>');
					$("#"+id).slideUp(1000, this.remove);
				}
			}
			
		})
		$(".container").on('click','.selected_subject',function(){
			val=$(this).attr('val');
			id=$(this).attr('id');
			html=$(this).html();
			ex=$("#all_subjects ul li#ch_sub_"+val).length;
			if(!ex){
			$("#all_subjects ul").append('<li val="'+val+'" class="choose_subject" id="ch_sub_'+val+'">'+html+'</li>');
			$("#"+id).slideUp(1000, this.remove);
			}
			
			
		})
		$("#submit").click(function(){
			subjects='';
			$("#selected_subjects ul li").each(function(){
				subjects+=$(this).attr('val')+'-';
			})
			$.ajax({
					dataType: "json",
					type: "POST",	
					url: "ajax/user_add_subject.php",	
					data: { subjects:subjects},		
					success:function(obj){	
						window.location.href = 'user-subjects.php';
					}
				});
			
		})
	})
</script>
<link type="text/css" rel="stylesheet" href="css/sb-admin.css">
<section class="header_back_inner"></section>
   <!--<div align="center" style="color: black; height: 500px;">-->

   <div align="center" style="color: black; height: auto;">
  
   <div class="container">
   <div class="drag-drop-container">
	<div id="all_subjects" class="select_subject_box">
	<ul>
	<?php while($subjects=mysql_fetch_array($subject_sql)){ ?>
		<li class="choose_subject" id="ch_sub_<?= $subjects['id']?>" val="<?= $subjects['id']?>"><?= $subjects['subject']?></li>
	<?php }?>
	</ul>
	</div>
	<div class="arrow_img">
	<p><img src="images/arrow-right-blue-design.png"></p>
	<p><img src="images/arrow-left-blue-design.png"></p>
	</div>
	<div id="selected_subjects">
	<ul><?php $eng_sql=mysql_query("SELECT * FROM `exam_subject_master` WHERE `id` =19");?>
		<?php while($subject=mysql_fetch_array($eng_sql)){ ?>
		<li  id="sel_sub_<?= $subjects['id']?>" val="<?= $subject['id']?>"><?= $subject['subject']?></li>
	<?php }?>
	</ul>
	</div>
	<div class="clear"></div>
	<div id="submit" class="select_submit">Submit</div>
	</div>
    
    </div>     
	<div class="clear"></div>
    </div>                 
<?php include("footer.php"); ?>