function init()
{ 
  convertExternalLinks();
}

function selectField(field_name)
{
  for (var i = 0; i < document.forms.length; ++i)
  {
    if (document.forms[i].elements[field_name])
    {
      document.forms[i].elements[field_name].select();
      document.forms[i].elements[field_name].focus();
      break;
    }
  }
  return true;
}

function isNull(s)
{
  return (s == "" || s == "undefined" || s.length < 1);
}

function convertExternalLinks()
{
  if (!document.getElementsByTagName) return;
  var anchorAry = document.getElementsByTagName("a");
  for (var i = 0; i < anchorAry.length; i++)
  {
    var anch = anchorAry[i];
    if (anch.getAttribute("href") && anch.getAttribute("rel") == "external") anch.target = "_blank";
  }
}

function getObj(obj_id)
{ 
  return (document.getElementById)?document.getElementById(obj_id):(document.all)?document.all[obj_id]:document[obj_id];
}

window.onload=init;