http://www.createblog.com/forums/index.php?showtopic=18898QUOTE
Position:Static (Normal Flow)
By default, if you do not specify a position for an element, then it will be positioned according to the page's "normal flow", or where it occurs naturally within the source. It is not necessary to specify that an element be "static", however, there may be times when this is a useful property value.
thats qouted for the tutorial .. you can read it .. it is div definitions