gistfile1.txt

	if(isset($_POST['pRate'], $_POST['dRate'], $_POST['eRate']))
	{
	$pounds= $_POST['pRate'];
	$dollars= $_POST['dRate'];
	$euros= $_POST['eRate'];
	
	$_pounds= mysql_real_escape_string($pounds);
	$_dollars= mysql_real_escape_string($dollars);
	$_euros= mysql_real_escape_string($euros);
	
	$sql= ("UPDATE Exchange
		   SET poundRate= $_pounds,
			   dollarRate= $_dollars,
			   euroRate= $_euros");	
	$result= mysql_query($sql);	
	}
	if (isset($_POST['pRate'], $_POST['dRate'])) {
	
	$sql= ("UPDATE Exchange
		   SET dollarRate= $_dollars,
			   poundRate= $_pounds");	
	$result= mysql_query($sql);
	}
		
	
	if (isset($_POST['dRate'], $_POST['eRate'])) {

	$sql= ("UPDATE Exchange
		   SET dollarRate= $_dollars,
			   euroRate= $_euros");	
	$result= mysql_query($sql);	
	}
	
		
	if (isset($_POST['eRate'], $_POST['pRate'])) {
	
	$sql= ("UPDATE Exchange
		   SET poundRate= $_pounds,
			   euroRate= $_euros");	
	$result= mysql_query($sql);
	}