ช่วยด้วยครับ! ผมจะเอาค่าจาก Json encode ที่ได้จากการ get ไฟล์ php มาแรนดอมโชว์รูปยังไงครับ

$CONFIG['Random']['GamePoints'] = 20;
    $CONFIG['Random']['WebPoints'] = 1;
    $CONFIG['Random']['ITEM'] = array(
                                    '7000133'=>20,
                                    '7000132'=>20,
                                    '7000130'=>20,
                                    '800315'=>10,
                                    '800316'=>10,
                                    '800445'=>10,
                                    '800312'=>5,
                                    '670011'=>1
                                );

$( "#BtnRandom" ).click(function () {
	var Points;
	var Type;
	var GC = document.getElementById('GC');
	var WP = document.getElementById('WP');

	if(GC.checked) {
		Type = GC.value;
	} else if(WP.checked) {
		Type = WP.value;
	}

	if(Type == 'GamePoints') {
		Points = document.getElementById('gcran').innerHTML;
	} else if(Type == 'WebPoints') {
		Points = document.getElementById('wpran').innerHTML;
	}

	$.ajax({
		type: "GET",
		url: "storage/php/process.php",
		data: { typepoint : Type, cmd : 'checkrandom'},
		success: function(res){
			var arr = res.split('#');
			var randall = re(arr[2]);
			var i2=0;
			if(re(arr[0]) >= re(arr[1])) {
				for(i=1;i<20;i++) {
        	i2+=i;
					setTimeout(function() { 
						$('#display-Itemimg').attr('src','storage/images/pon/' + randall[Math.floor(Math.random()*randall.length)] + '.png'); 
					}, i2*20);
      	}
			} else {
				alert("Points ของท่านไม่เพียงพอ.., กรุณาเติมเงิน");
			}
		}
	});
})

if(isset($_GET['cmd']) && $_GET['cmd'] == 'checkrandom' ) {
	$conn = db_connect();
	$typepoint = clean($_GET['typepoint']);
	$str = "SELECT ".$typepoint." FROM UsersData WHERE CustomerID = '".$_SESSION['customerid']."'";
	$array = sqlsrv_fetch_array(exec_query( $conn, $str), SQLSRV_FETCH_ASSOC);
	$itemarr = array();
    foreach ($CONFIG['Random']['ITEM'] as $key => $value) {
      array_push($itemarr, $key);
	}
	echo $array[$typepoint]."#".$CONFIG['Random'][$typepoint]."#".json_encode($itemarr);
	exit();

 }