#global {
     position:absolute;
     left: 50%; 
     width: 893px;
     margin-left: -446px; /* half of the width */
     overflow: no;
     z-index:0;
}
#olle {
     position:absolute;
     left: 50%; 
     width: 1150px;
     margin-left: -540px; /* half of the width */
     overflow: no;
     z-index:2;
}