960gs grid Inside grid

Question

Is it possible to have the inside grid surrounded where the outer grid contents flows around the inside grid as what happens in an image float left/right.

---------------------------|
|                          |
|  grid_8                  |
|                          |
|------------|             |
|            |             |
| grid_4     |             |         
|            |             |
|------------|             |
|                          |
|                          |
|--------------------------|

Thank you

Answer 1

try this

http://jsfiddle.net/qCJEF/2/

CSS

.grid_8{
    width:960px;
    background-color:red;
    border:#FFF 1px dashed;
    padding:95px 0 110px;
    vertical-align:middle;

}
.grid_4{
    width:480px;
    background-color:blue;
    border:#FFF dashed 1px;
    padding:100px 0;
    margin:100px 0 0 0;
}