Acrobat8 getting date to fill in a table header

[EricaB]

Hello,

I'm working on a form in Acrobat 8. At the top of the form the user will type in the date. What I would like to happen is that once they type in the date, the table below it will fill the header with dates for the next two weeks.

I thought I could use this script but it's not working:
var date = this.getField("goaldate");
document.write=(getgoaldate+1).value;

I think what happened with this script is that the month changed, not the day.

Any help would be greatly appreciated.

Thanks,
Erica