<script type="text/javascript">
//<![CDATA[
/**************************************
» Autor: Jonas Raoni Soares Silva
» Site: http://www.joninhas.ath.cx:666
**************************************/

arrange = function( v, n, m ){
        for( var i, j, k, sep = sep || "", l = v.length, r = new Array( i = Math.pow( l, n ) ), c = ( new Array( n + 1 ) ).join( 0 ).split( "" ); i; )
                for( r[--i] = new Array( j = n ), k = 1; j--; r[i][j] = m ? c[j] : v[c[j]], k && ( ++c[j] != l && --k, c[j] %= l ) );
        return r;
};

//]]>
</script>

document.write( arrange( ["A", "B", "C" ], 3, 1 ).join( "<br />" ), "<hr />" );
document.write( arrange( ["A", "B", "C" ], 3, 0 ).join( "<br />" ) );