Gantt display for schedules

Hi all, I've been asked to write a basic scheduler for staff vacations, room and equipment bookings etc. I have looked at commercial solutions but they are expensive and I think I can write this myself.

Gathering the data from the user is easy enough, but displaying the data is the challenge. I want to create a date/time display that looks a little like a microsoft project gantt chart, with boxes on it to show bookings. I was thinking of making a 'grid' that users could mark out their bookings. With left/right control and maybe a zoom in/out for hours/days/months resolution

Before I get started, anyone done this kind of thing? What do you think is the best approach?

Have Excel? (FreeWare)

http://www.hyperthot.com/pm_excel_gantt_inst.htm

You can also check out Easy Projects .NET (Freeware Personal Edition)

http://www.easyprojects.net/

Or AceProject 1.0 (Freeware)

http://www.filetransit.com/view.php?id=4184

ManageXPS 1.1 (Freeware) has Gantt Chart generation...

http://www.filetransit.com/view.php?id=28346

Also.. Z Planner 1.0 (Freeware)

http://www.filetransit.com/view.php?id=28474

Gantt PV (Freeware)

http://www.dirfile.com/ganttpv__proj...g_software.htm

IGantt Charting Tool (Freeware)

http://www.dirfile.com/lgantt.htm

That's just showing off. ;)

Well "Free" always puts a smile on my face :)

Wow! I have some surfing to do!

The best things in life are free...

Thanks for the suggestions.