Messed up "Color Picker" in Photoshop 7

[Neczy]

Hello,

I messed up the "Color Picker" in Photoshop 7 where it now looks like this (http://neczy.com/images/color_picker.jpg). How can I change it back to the way it used to be?

[Jona]

Click the radio button to the left of the letter "H."