#sd_container {visibility:hidden;padding-top:0px;width:100%}
#sd_top {visibility:hidden}
#sd_middlecontainer {visibility:hidden}
#sd_left {visibility:hidden}
#sd_middle {visibility:visible;display:block;top:0px;left:0px;padding:0px;margin:0px;height:100%}
#sd_bottom {visibility:hidden}