function valitseMenu(id)
{
	suljeMenut();
	document.getElementById('menu' + id).className = 'selected_menu';
	if(id==2)
	{
		document.getElementById('floater' + id).style.left = (findPosX(document.getElementById('menu' + id))-100) + 'px';
	}
	else
	{
		document.getElementById('floater' + id).style.left = findPosX(document.getElementById('menu' + id)) + 'px';
	}

	document.getElementById('floater' + id).style.display = 'block';
}

function suljeMenut()
{
	i = 0;
	while (document.getElementById('floater' + i) != null)
	{
		document.getElementById('floater' + i).style.display = 'none';
		document.getElementById('menu' + i).className = 'unselected_menu';
		i += 1;
	}
}


function piilotaNuoli() {
	document.getElementById('nuolidiv').style.display="none";
}

 function findPosX(obj)
  {
    var curleft = 0;
    if(obj.offsetParent)
        while(1) 
        {
          curleft += obj.offsetLeft;
          if(!obj.offsetParent)
            break;
          obj = obj.offsetParent;
        }
    else if(obj.x)
        curleft += obj.x;
    return curleft;
  }

  function findPosY(obj)
  {
    var curtop = 0;
    if(obj.offsetParent)
        while(1)
        {
          curtop += obj.offsetTop;
          if(!obj.offsetParent)
            break;
          obj = obj.offsetParent;
        }
    else if(obj.y)
        curtop += obj.y;
    return curtop;
  }