Javascript simple onclick image swap

Question

I am trying to use Javascript to swap an image, so far I can get it from A to B, but not back.

Here is what I\'m using to create one swap:

Answer 1

1. window.document.pic.src='pic1.png' assigns pic1.png to the left hand side. It does NOT compare.

2. Though not directly relevant, try not to access elements by their name globally. Use their id.

3. Your javascript should not be inside the onclick. It should be inside a javasctipt function

Combined:

The img tag:

The javascript