function MM_displayStatusMsg(msgStr) { //v1.0
  status=msgStr;
  document.MM_returnValue = true;
}

var botonvolveron = new Image(65,11);
botonvolveron.src = "/images/volveron.gif";

var botonvolveroff = new Image(65,11);
botonvolveroff.src = "/images/volveroff.gif";

function encendervolver() {
  document.images("botonvolver").src = botonvolveron.src;
}

function apagarvolver() {
  document.images("botonvolver").src = botonvolveroff.src;
}