cross browser inline block

inlineblock.css

.thirdDiv {
    width:50%;
    display:inline-block;
    display: -moz-inline-stack;  /*Firefox 2*/
    zoom: 1; /* IE hack to trigger **hasLayout** */
    line-height:30px;
    _height:30px;/* IE 6 Height */
    *display: inline; /* IE hack to achieve inline-block behavior */
    /* from http://blog.mozilla.org/webdev/2009/02/20/cross-browser-inline-block/ */
}