Using Select to Show Images

What I'm basically trying to do is use a select component to show/hide certain images when an option within the select is chosen. For example, my options are a list of floors: floor 1, floor 2, floor 3. I want the select component to work so that when a floor is chosen, it will then load the floor map (image) below the component. I've been struggling on how to go about this.

What event would I have to use? I'm assuming I'd use Value Change but since I have more than one floor, I need to specify which value will cause which floor map to appear.

I'm using the jQuery framework by the way. I know this is rather basic but help would be appreciated :).
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