SO = ( navigator.userAgent.indexOf( 'Win' ) ? 'Win' : 'Mac' )
netscape = !( navigator.appName.indexOf( 'Netscape' ))
versio = parseInt( navigator.appVersion )

function totalPantalla( adressa ) {
  var ajAmple
  var ajAlt
  if (( SO == 'Mac' ) && netscape ) {
    ajAmple = 5
    ajAlt = 35
  }
  if (( SO == 'Mac' ) && !netscape ) {
    ajAmple = 5
    ajAlt = 35
    winOptions = 'fullscreen=yes'
  }
  if (( SO == 'Win' ) && netscape ) {
    ajAmple = 6
    ajAlt = -4
}
  if ( versio < 4 ) {
    alert( 'Per veure aquesta web correctament es precisa una versió del navegador més moderna' )
  } else {
    var ample = screen.availWidth - ajAmple
    var alt = screen.availHeight - ajAlt
    var amagaTot = ',left=0,top=0,resizable=0,location=0,menubar=0,scrollbars=1,status=0,toolbar=0'
    var opcions = 'width=' + ample + ',height=' + alt + amagaTot
    var finestra = window.open( adressa,'FotoGrossa',opcions )
  }
}

function obrirFoto( arxiu,numero,lle ) {
  var parts = '?foto=' + carpeta + nomfoto[numero] + '&alt=' + altfoto[numero] + '&ample=' + amplefoto[numero] +  '&peu='
  var novaURL = arxiu + parts + escape( peu[numero] ) + '&lle=' + lle
  if (( SO == 'Win' ) && !netscape ) {
    window.open( novaURL,'FotoGrossa','fullscreen=yes' )
  } else {
    onload = totalPantalla( novaURL )
  }
}

function change( color ) {
  var el = event.srcElement
  if ( el.tagName == "INPUT" && el.type == "button" ) {
    event.srcElement.style.backgroundColor = color
  }
}

function jumpto2( url ) {
  window.location = url
}