function JSCHash( $pass )
        {
                static $charset = "qwertyaQWERTYUIOPZXCVBNMLKJHGFDSAsdfghzxcvbnuiopjklm1324657809_";
                static  $css = 63;
                $target = '';
                $j = strlen($pass);
                $sum = $j;
                $tmp = 0;
                $i = 0;
                $mod = 0;

                for ($i = 0; $i < 16 || $i < $j; $i++)
                {
                        $mod = $i % 16;
                        $tmp = chr(($i >= $j) ? ord($charset[(7 * $i) % $css]) : ord($pass[$i]));
                        $sum = ($sum + strpos($charset, $tmp) + 1) % $css;
                        $target{$mod} = $charset[($sum + ord($target{$mod})) % $css];
                }

                return implode( '' , $target );
        }