เวลาที่เอา script auto submit ใส่เข้าไป ทำไมรูปภาพถึงไม่แสดง ครับ

<img src="http://www.worldtaximeter.com/images/ajax-loader.gif" border="0">

<form action="payments.php" method="post" name="send_data">
        <input type="hidden" name="cmd" value="_xclick"> 		
        <input type="hidden" name="no_note" value="1"> 		
        <input name="lc" type="hidden" value="US">                
        <input name="currency_code" type="hidden" value="USD"> 		
        <input type="hidden" name="bn" value="PP-BuyNowBF:btn_buynow_LG.gif:NonHostedGuest"> 		
        <input name="first_name" type="hidden" value="customer"> 		
        <input name="last_name" type="hidden" value="Customers Last Name"> 		
        <input type="hidden" name="amount" value="100.00">  		
        <input type="hidden" name="item_name" value="item_name"> 		
        <input type="hidden" name="custom" value="cash"> 		
        <input name="item_number" type="hidden" value="123123"> 	
</form>
        
        <script type="text/javascript">
		document.send_data.submit();
		</script>