php page redirection depending on if statement

<?php include('aes.php')?>

<?php
require("includes/conn1.php");


error_reporting(0);
$workingKey='asdf4asdf5asdf4asdf5asdf4a';		
$encResponse=$_POST["encResponse"];			


$rcvdString=decrypt($encResponse,$workingKey);		


$decryptValues=explode('&', $rcvdString);
$dataSize=sizeof($decryptValues);

/*echo "<center>";
echo "<table cellspacing=4 cellpadding=4>"; 
*/for($i = 0; $i < $dataSize; $i++) 
{
	$information=explode('=',$decryptValues[$i]);
/*    	echo '<tr><td>'.$information[0].'</td><td>'.$information[1].'</td></tr>';
*/		
		$ar[]=$information[1];
		
}
 
 
for($i = 0; $i < $dataSize; $i++) 
{
if($ar[$i]=='') { $ar[$i]="null"; }

}



$sql=pg_query("insert Statement here");


if($ar[3] == 'N')
 
   print "<script language="Javascript">document.location.href='http://abc.in/index.php' ;</script>";
 
else
 
  print "<script language="Javascript">document.location.href='http://abc.in/index2.php' ;</script>";
 

exit;

?>