ns4 = (document.layers)? true:false
ie4 = (document.all)? true:false

function abrejanela(page)
{
standardsite= launch(page,"uswlink","height="+(screen.height-105) +",width="+(screen.width-10)+",left=0,top=0,status=1,menubar=1")
}

function launch(newURL, newName, newFeatures)
{
  var remote = open(newURL, newName, newFeatures);
  if (remote.opener == null) remote.opener = window;
  return remote;
}