function abrir(direccion, pantallacompleta, herramientas, direcciones, estado, barramenu, barrascroll, cambiatamano, ancho, alto, sustituir){ 

    var izquierda = (screen.availWidth - ancho) / 2; 
    var arriba = (screen.availHeight - alto) / 2; 

    var opciones = "fullscreen=" + pantallacompleta + 
                 ",toolbar=" + herramientas + 
                 ",location=" + direcciones + 
                 ",status=" + estado + 
                 ",menubar=" + barramenu + 
                 ",scrollbars=" + barrascroll + 
                 ",resizable=" + cambiatamano + 
                 ",width=" + ancho + 
                 ",height=" + alto + 
                 ",left=" + izquierda + 
                 ",top=" + arriba; 

    var ventana = window.open(direccion,"_blank",opciones,sustituir); 

}


var slideCache = new Array();
function RunSlideShow(pictureName,imageFiles,displaySecs)
{
var imageSeparator = imageFiles.indexOf(";");
var nextImage = imageFiles.substring(0,imageSeparator);
if (document.all)
{
document.getElementById(pictureName).style.filter="blendTrans(duration=2)";
document.getElementById(pictureName).filters.blendTrans.Apply();
}
document.getElementById(pictureName).src = nextImage;
if (document.all)
{
document.getElementById(pictureName).filters.blendTrans.Play();
}
var futureImages= imageFiles.substring(imageSeparator+1,imageFiles.length)
+ ';' + nextImage;
setTimeout("RunSlideShow('"+pictureName+"','"+futureImages+"',"+displaySecs+")",
displaySecs*1000);
// Cache the next image to improve performance.
imageSeparator = futureImages.indexOf(";");
nextImage = futureImages.substring(0,imageSeparator);
if (slideCache[nextImage] == null) {
slideCache[nextImage] = new Image;
slideCache[nextImage].src = nextImage;
}
}