var theImages = new Array() 
theImages[0] = 'imagenes/pueblo/img-1.gif'
theImages[1] = 'imagenes/pueblo/img-2.gif'
theImages[2] = 'imagenes/pueblo/img-3.gif'
theImages[3] = 'imagenes/pueblo/img-4.gif'
theImages[4] = 'imagenes/pueblo/img-5.gif'
theImages[5] = 'imagenes/pueblo/img-6.gif'
theImages[6] = 'imagenes/pueblo/img-7.gif'
theImages[7] = 'imagenes/pueblo/img-8.gif'
theImages[8] = 'imagenes/pueblo/img-9.gif'
theImages[9] = 'imagenes/pueblo/img-10.gif'

var j = 0
var p = theImages.length;

var preBuffer = new Array()
for (i = 0; i < p; i++){
   preBuffer[i] = new Image()
   preBuffer[i].src = theImages[i]
}

var whichImage = Math.round(Math.random()*(p-1));
function showImage(){
document.write('<img width="133" height="112" alt="Galería de Imágenes (Alt + I)"  title="Galería de Imágenes (Alt + I)" src="'+theImages[whichImage]+'" >');
}