Lines 100% height over browser


I'm building a website and i would like 2 lines over 100% browser height.
I don't know how to do it, because the lines are for a div which is inside another div. I can set the first div to 100% height, but not the second.
The website is on:

Second question:
when i embed a swf file in the html code, a border appears when i click on a photo. How can I remove this border in het css or html code?

Kind regards;

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