Set the extra space added to the contents area so that the lowest elements in the contents area will not be immediately followed by the footer contents.
Select this option to move the footer elements to the bottom of the browser window even the page contents do not reach the bottom of the page. Please note that this feature may have problems in Internet Explorer 6 and 7. If drop down menu is used and the height of the menu reaches the footer elements. The menu will go under the footer elements instead of above them. However, this can be alleviated by setting a minimum height of the page so that the longest drop down menu will not reach the footer elements.