.div_item_left { width: 100%; margin:0; padding:0 ; border-bottom: #93d4fd 1px solid; border-right: #93d4fd 1px solid;}
  .div_item_right { width: 100%; margin:0; padding:0 ; } 
  .div_item_middle  { width: 100%; margin:0; padding:0 ; border-left: #93d4fd 1px solid;border-bottom: #93d4fd 1px solid; border-right: #93d4fd 1px solid; } 
  .tab_header { cursor:hand; height:33px;width: 100%; overflow:hidden;  background-image: url(images/item/itemHeader.gif); }
  .item_table{ width: 100%; margin-top: 5px; display:inline}
  .tab_main { margin-left:10px;margin-right:10px;margin-top:10px;margin-bottom:10px; }