Test with absolute positioning, form elements, and z-indexing

overlapping textareas

Another go, but with divs instead of textareas:

This text is in the first div element. This text is in the first div element. This text is in the first div element. This text is in the first div element. This text is in the first div element. This text is in the first div element. This text is in the first div element. This text is in the first div element. This text is in the first div element. This text is in the first div element.

This text is in the second div element. This text is in the second div element. This text is in the second div element. This text is in the second div element. This text is in the second div element. This text is in the second div element. This text is in the second div element. This text is in the second div element. This text is in the second div element. This text is in the second div element.