var esNN4  = (document.layers) ? 1 : 0
  var esIE4  = (document.all)    ? 1 : 0
  var esVer4 = (esNN4 | esIE4)   ? 1 : 0


var logo_x      = 225
var logo_y      = 374
var anchoPagina =   0
var altoPagina  =   0

function recalcula() {
  if (esNN4) {
    anchoPagina=window.innerWidth
    altoPagina=window.innerHeight
    document.location.href = document.location.href
  } else {
    anchoPagina=document.body.offsetWidth
    altoPagina=document.body.offsetHeight
    resituaLogo()
  }
} 

function inicializa(){
  if (esNN4) {
    anchoPagina=window.innerWidth
    altoPagina=window.innerHeight
    ELTIMEOUT=20
    window.captureEvents(Event.RESIZE)
  } else if (esIE4) {
    anchoPagina=document.body.offsetWidth
    altoPagina=document.body.offsetHeight
    window.onscroll=resituaLogo
  }
  window.onresize = recalcula
  resituaLogo()
}

function resituaLogo(){
  if(esNN4) {
    document.elLogo.x=window.pageXOffset+anchoPagina-logo_x
    document.elLogo.y=window.pageYOffset+altoPagina-logo_y

    setTimeout('resituaLogo()', ELTIMEOUT)
  } else if(esIE4){
    document.all.elLogo.style.pixelLeft=document.body.scrollLeft+anchoPagina-logo_x
    document.all.elLogo.style.pixelTop =document.body.scrollTop+altoPagina-logo_y
  }
} // fin de resituaLogo()

onload=inicializa