HELP!

[Zeus]

In photoshop elements, how do you add a gradient into a shape like a rectangle?
http://img.habboupload.com/1233514485.png

They are all block colours and when i try and use the gradient tool it does this:

http://img.habboupload.com/1233514713.png

Any help?

[TechnoPanda]

Double click the layer with the rectangle on > Gradient overlay.