body { margin:0px; background-color:#fff; height:100% }
html { height:100% }
#PageDiv { position:relative; min-height:100%; margin:auto; background-color:#fff }
#item7a { position:absolute; left:523px; top:334px; width:186px; height:11px; z-index:1; padding:12px }
#item1 { position:absolute; left:79px; top:1951px; width:1002px; min-height:496px; z-index:2 }