Hey Ihr,
+--------------------------------------+
| |
| +------------------------------+ |
| | header | |
| +-----+------------------+-----+ |
| | li. | mitte | re. | |
| | | | | |
| | | | | |
| | | | | |
| | | | | |
| +-----+------------------+-----+ |
| | footer | |
| +------------------------------+ |
| |
+--------------------------------------+
li. und mitte float: left; als CSS-Eigenschaft
für footer clear: both; verwenden
LG fr@gma