div#fadeinbox {
position: absolute;
left:50%;
float: left;
width:160px;
height:560px;
/*margin-top: -150px; /*set to a negative number 1/2 of your height*/
margin-left: 465px; /* toto je polovica center stplca posam.sk */ /*set to a negative number 1/2 of your width*/
border: none;
background-color: transparent;
padding: 4px;
z-index: 100;
visibility:visible;
}

div#close {
position: absolute;
top: 15px;
left: 135px;
z-index: 2;
}

div#banner {
position: absolute;
width: 150px;
height: 540px;
top: 15px;
left: 0px;
background-color: transparent;
border: none;
z-index: 1;
}