Article on multiple rows

Change min-height for the height of the row in
#ajaxscrl .mScroller div {
    display: block;
    float: left;
    margin: 0;
    min-height: 160px;
    text-align: left;
    width: 556px;
}
 and keep the #ajaxscrl .mContainer {
    display: block;
    height: 320px;
    overflow: hidden;
    position: relative;
    width: 545px;
}
to the right size to contain your number of row