function setElW(ws)
{
  if (!topf.document.getElementById("wndfixed").checked && ws.id != "wndfixed")
  {
    if (topf.document.getElementById("ElLeft").checked || topf.document.getElementById("ElRight").checked)
    {
      topf.document.getElementById("wndfixed").checked = true;
    }
  }
  if (topf.document.getElementById("wndfixed").checked)
  {
    var egs = topf.document.getElementById("ElLeft").checked;
    var eys = topf.document.getElementById("ElRight").checked;
    if (!egs && !eys) 
      document.getElementById("sframe").cols = "49.9%, 51.1%";
    if (ws.id == "ElLeft")
    {
      if (eys)
        topf.document.getElementById("ElRight").checked = false;
      if (ws.checked) 
        document.getElementById("sframe").cols = "*,100%";
        
    }else if (ws.id == "ElRight")
    {
      if (egs) 
        topf.document.getElementById("ElLeft").checked = false;
      if (ws.checked) 
        document.getElementById("sframe").cols = "100%,*";
    }
    
  }else
  {
    topf.document.getElementById("ElLeft").checked = false;
    topf.document.getElementById("ElRight").checked = false;
  }
}

function setSFWidth(wd)
{
  if ( !(topf.document.getElementById("wndfixed").checked) )
  {
    document.getElementById("sframe").cols = wd;
  }
}

function setlEngine(num)
{
  var i;
  var id;
  
  for(i = 0; i < 6; i++)
  {
    id = "le" + i;
    if(i == num)  
      document.getElementById(id).checked = true;
    else
      document.getElementById(id).checked = false;
  }
}

function setrEngine(num)
{
  var i;
  var id;
  
  for(i = 0; i < 6; i++)
  {
    id = "re" + i;
    if(i == num)  
      document.getElementById(id).checked = true;
    else
      document.getElementById(id).checked = false;
  }
}