// JavaScript Document
var popUpWin=0;
function popUpWindow(URLStr, left, top, width, height)
{
  if(popUpWin)
  {
    if(!popUpWin.closed) popUpWin.close();
  }
  popUpWin = open(URLStr, 'popUpWin', 'toolbar=no,location=no,directories=no,status=no,menub ar=no,scrollbar=no,resizable=no,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
}



  message     = "Universidad Nacional Autónoma de México^" +
                "Instituto de Geofísica^" +
                "Departamento de Investigaciones Solares y Planetarias^" +
                "Estas visitando" +
                " la página de:^" +
                "Rayos Cósmicos^"
  scrollSpeed = 25
  lineDelay   = 1500

  txt         = ""

  function scrollText(pos) {
    if (message.charAt(pos) != '^') {
      txt    = txt + message.charAt(pos)
      status = txt
      pauze  = scrollSpeed
    }
    else {
      pauze = lineDelay
      txt   = ""
      if (pos == message.length-1) pos = -1
    }
    pos++
    setTimeout("scrollText('"+pos+"')",pauze)
  }