Mobile money betaal systeem

[code]<?php
	if(!empty($_POST['pincode'])){
	$username = "username"; 	
	$password = urlencode("pw"); 
	//Pincode checken
	$pincode = $_POST['pincode'];
	$bestand =  @fopen("http://www.mobilemoney.biz/validate.asp?username=".$username."&password=".$password."&pincode=".$pincode."&output=valid", "r");
	$result = fgets($bestand);
	if ($result == '1')
	{
	  //succesfull
	}		
	else if ($result == '-1')
	{
	echo '<p>Pincode klopt niet</p>';
	}
	else if ($result == '-2')
	{
	echo '<p>Helaas hebben wij geen verbinding kunnen maken door een onbekende technische storing</p>';
	}
	else if($result == '-3')
	{
	echo '<p>U heeft geen pincode ingevoerd.</p>';
	}
	else
	{
	echo 'Helaas ligt de server waar de betalingsinformatie vandaan wordt gehaald plat.';
	}
		}else{
	
		?>
	<!-- ----------------------------- -->
	<!-- START OF MOBILEMONEY.COM CODE -->
	<!-- ----------------------------- -->
	
		<script language='javascript'>
		<!--
			
		function mobilemoneysale(ordernumber,pos)
		{
		 mmrefname = 'username';
		 mmlanguage = 'xx';
		 mmpskin = '';
	 
		 window.open('http://www.mobilemoney.com/salespopup.asp?pos='+escape(pos)+'&ordernumber='+escape(ordernumber)+'&refname='+escape(mmrefname)+'&language='+escape(mmlanguage)+'&popupskin='+escape(mmpskin),'popup','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width=468,height=550,left='+eval((screen.availWidth/2)-234)+',top=50');
	
		}
		//-->
		</script>
		
		
	<!-- ----------------------------- -->
	<!--  END OF MOBILEMONEY.COM CODE  -->
	<!-- ----------------------------- -->
	<a href="javascript:mobilemoneysale('Titel pagina', 28);">Pincode</a>
	<?php
	}
	?>[/code]