Help making a gantt diagram

[Janus Pedersen]

Hi
I need some help making a report design of this

*                                    Months
Project name                Jan    Feb    Mar    Apr    May    Jun    Aug    Sep    Okt    Nov    Dec
Project 1 fuse                *        *                            *         *         *
Project 2 start                         *        *                                        *        *
Clean rum something                                        *        *             *        *           *        *         *       
Make Asic design            *      *        *            *                

*                                    Days
Project name                1        2        3       4        5        6        7        8        9        10    11    ...    andso    ... 31
x1                                  *        *                            *         *         *
x2                                  *        *                                                *        *
x3                                  *        *        *        *        *        *            *        *
x4                                  *       *         *            *                

I know that there is a Gantt diagram and I thing that is the way to make it, but how ? I have to make this in programming not in design time, because the page size can be A4 or A3 or something else.

Janus S. Andersen