How do I move my task bar from a vertical to a horizontal orientation?

I have Windows XP.|||right click on task bar and unlock, click the left side of the mouse and hold down on the taskbar, and drag to the side, oh and don't forget to lock it again. hope it helps!|||Right click The taskbar and click Lock the Taskbar then drag it SIMPLE!!!|||drag the task bar to the side.. right click the bar and click unlock the taskbar if it wont move..