checnge teh heqader css rule:
.oneColFixCtrHdr #header {
font-family: Arial, Helvetica, sans-serif;
color: #FFF;
background-color: #DFC198;
position:relative;
padding-right: 10px;
padding-bottom: 10;
padding-left: 20px;
height: 40px;
}
to:
.oneColFixCtrHdr #header {
font-family: Arial, Helvetica, sans-serif;
color: #FFF;
background-color: #DFC198;
position:relative;
padding-right: 10px;
padding-bottom: 10;
padding-left: 20px;
height: 40px;
position:relative;
z-index:999;
}