Stop wordpress editor from messing up my html

gistfile1.txt

function override_mce_options($initArray) {
	$opts = '*[*]';
	$initArray['valid_elements'] = $opts;
	$initArray['extended_valid_elements'] = $opts;
	return $initArray;
}
add_filter('tiny_mce_before_init', 'override_mce_options');