isIE=document.all;
isNN=!document.all&&document.getElementById;
isN4=document.layers;
isHot=false;


function hideMe(layername,iframename)
{
  if ((isIE)||(isNN) )
  {
    document.getElementById(layername).style.visibility="hidden";
    document.getElementById(iframename).style.visibility="hidden";
  }
  else 
  if (isN4) 
  {
    document.layername.visibility="hide";
    document.iframename.visibility="hide";
  }
}

function showMe(layername,iframename)
{
  var whichDog= document.getElementById(layername);
  document.getElementById(iframename).height=document.getElementById(layername).clientHeight+4; 
  document.getElementById(iframename).style.visibility="visible";
  if (isIE||isNN) whichDog.style.visibility="visible";
  else if (isN4) document.layername.visibility="show";
}

function closeMe(layername,iframename)
{
  var whichDog=document.getElementById(layername);
  if (isIE||isNN) whichDog.style.visibility="hidden";
  else if (isN4) document.layername.visibility="hide";
  document.getElementById(iframename).style.visibility="hidden";
}