var all_scripts = document.getElementsByTagName("script");
if ( all_scripts.length ) {
	mt_version = ( MooTools.version < 1.2 ) ? '11' : '12';
	nn_script = all_scripts[all_scripts.length-1].src.replace( '.js', '_mt'+mt_version+'.js' );
	document.write('<script src="'+nn_script+'" type="text/JavaScript"><\/script>');
}