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

window.onload = externalLinks;

function createWindow(cUrl,cName,cFeatures)
{
  var xWin = window.open(cUrl,cName,cFeatures);
}