function setFrameHeight( frame )
{
  if(typeof(bFs)=="undefined") bFs =10;
  
  //frame.id = new Date().getTime();
  frame.name = new Date().getTime(); 
    
  var content = frame.contentWindow.document.getElementById("container");
  frame.style.height = content.offsetHeight / bFs + "em";
  frame.style.width = content.offsetWidth / bFs + "em";
}