One of the tasks my team was assigned was the ability to implement auto tabbing in a web application. 98 percent of the population would cringe as they read the previous sentence because auto tabbing is not natural. It is a business requirement, and because the business wouldn't budge on the feature, it HAD to be done.
Enter jQuery AutoTab by Matthew Miller
AutoTab is fairly simple, as are most jQuery plugins. It just extends the jQuery namespace adding a function called autotab. Apply this method to any text box, enter target, previous and format and the plugin does the rest for you.
Without copy and pasting the details of the plugin, click here to see the documentation.