function focusText(elem)
{
  document.getElementById.focus(elem);
}

function closeBrowser()
{
  document.getElementById('image_browser').style.display = "none";
}

function findPos(obj, type) 
{
  var curleft = curtop = 0;
  
  if (obj.offsetParent) 
  {
    curleft = obj.offsetLeft
    curtop  = obj.offsetTop
    
    while (obj = obj.offsetParent) 
    {
      curleft += obj.offsetLeft
      curtop  += obj.offsetTop
    }
  }
  
  if (type == 'top')  return curtop;
  if (type == 'left') return curleft;
  return [curleft,curtop];
}

function changeDisplay(elem, disp)
{
  obj = document.getElementById(elem);
  
  if (obj) obj.style.display = disp;
}