var wh = 0;
var ns4=document.layers?1:0;
var ie4=document.all?1:0;
var ns6=document.getElementById&&!document.all?1:0;

function init(blResize) {
  var ofd = document.getElementById('flowDiv');
  if (wh==0|blResize) {
    if (!ns6) {
      wh = document.body.clientHeight + 50;
    } else {
      wh = innerHeight;
    }
  }
  //status = wh;
  ofd.style.height = wh - 240 + "px";
  ofd.style.overflow = 'auto';
}