.middle {
  table-layout: fixed; 
  width: 100%;
  *margin-left: -100px;/*ie7*/
}
td, th {
  vertical-align: top;
  border-top: 1px solid #ccc;
  padding:10px;
  width:100px;
}
th {
/*  position:absolute;
  *position: relative; /*ie7*/
/*  left:0; */
  width:100px;
}
.hard_left {
  position:absolute;
  *position: relative; /*ie7*/
  left:0; 
  width:10%;
}
.next_left {
  position:absolute;
  *position: relative; /*ie7*/
  left:100px; 
  width:10%;
}
.outer {position:relative}

.inner {
  overflow-x:scroll;
  overflow-y:hidden;
  width:80%; 
  margin-left:20%;
}
.isr_inner {
  overflow-x:scroll;
  overflow-y:hidden;
  width:70%; 
  margin-left:30%;
}

.col1{
  position:absolute;
  *position: relative; /*ie7*/
  left:0; 
  width:100px;
}
.col2{
  position:absolute;
  *position: relative; /*ie7*/
  left:100px; 
  width:100px;
}
.col3{
  position:absolute;
  *position: relative; /*ie7*/
  left:200px; 
  width:100px;
}