<?php
if($_SERVER['REQUEST_METHOD'] == 'POST')
{
	if(isset($_POST['submit']))
	{
		$query			= "SET AUTOCOMMIT=0";
		$result_query 	= mysql_query($query, $connect);

		$query = "
		UPDATE
			[i]tabelnaam[/i]
		SET
			geld = geld-100
		WHERE
			user_id = 1
		";
		if(!$result_query = mysql_query($query, $connect))
		{
			$query        = "ROLLBACK";
			$result_query = mysql_query($query, $connect);
		}
		else {
			$query = "
			UPDATE
				[i]tabelnaam[/i]
			SET
				geld = geld+100
			WHERE
				user_id = 2
			";
			if(!$result_query = mysql_query($query, $connect))
			{
				$query        = "ROLLBACK";
				$result_query = mysql_query($query, $connect);
			}
			else {
				$query        = "SET AUTOCOMMIT=1";
				$result_query = mysql_query($query, $connect);
			}
		}
	}
}
?>