body {
    margin: 0;
    padding: 0;
}

#wrapper {
    width: 950px;
    margin: 0 auto;
}

#headerDiv {
     width: 950px;
     height: 140px;
     text-align: center;
}

#flashDiv {
     width: 950px;
     height: 550px;
     xborder: 1px solid #000;
}

#footerDiv {
     width: 950px;
     height: 140px;
     text-align: center;
     margin-top: 20px;
}

#globalCenter {
     position:absolute;
     left: 50%; 
     top: 50%;
     width: 950px;
     height: 550px;
     margin-top: -275px; /* half of the height */
     margin-left: -475px; /* half of the width */
     xborder: 1px solid #000;
}