simplified footer html markup.
updated/simplified footer main navigation 
javascript logic.
added clearfix hack.
use header tag instead. placed h2 headlines in 
header.
simplified contact form layout/markup.
removed inline styles.
simplified/updated stylesheet.
added grafik.html
Revert "use header tag instead. placed h2 headlines in "

This reverts commit d6da6522be8502e27494275a43e6a267a42af91c.
fixed header.