function setButtons(){
	var top_y = GetElementHeight(document.getElementById('Content_Frame'));
	var button_right = document.getElementById('ButtonRight');
	var button_left = document.getElementById('ButtonLeft');
	
	if(button_right)
		button_right.style.top = (top_y-36)+"px";
		
	if(button_left)
	button_left.style.top = (top_y-36)+"px";
}

function GetElementHeight (elm)
{
  if (!elm)
    return 0;

  if (document.layers)
  {
    if (!elm.height)
      elm.height = elm.clip.height;
    return elm.height;
  }
  else if (typeof(elm.style && elm.style.height) == 'number')
  {
    return elm.style.height;
  }
  else if (typeof(elm.style && elm.style.height) == 'string' && !isNaN(parseInt(elm.style.height)))
  {
    return parseInt(elm.style.height);
  }
  else if (elm.offsetHeight)
  {
    return elm.offsetHeight;
  }
  else if (typeof(elm.style && elm.style.pixelHeight) == 'number')
  {
    return elm.style.pixelHeight;
  }
  else if (elm.clientHeight)
  {
    return elm.clientHeight;
  }

  return 0;
}