// Cambio de una imagen por otra en el apartado de fotos
function cambioImagen(fecha,imagen){
        document.images["grande"].src="../img/galeria/" + fecha + "/grandes/" + imagen;
        document.links[12].href="../img/galeria/" + fecha + "/reales/" + imagen;
}

/*
 * Gestión de eventos - http://dean.edwards.name/my/events.js
 */

/*
 * Ejemplo:
 *
 * function foo(){
 *     alert('La página ha terminado de cargar');
 * }
 * addEvent(window, 'load', foo);
 *
 */
function addEvent(element, type, handler) { // v2005-12-06
	// assign each event handler a unique ID
	if (!handler.$$guid) handler.$$guid = addEvent.guid++;
	// create a hash table of event types for the element
	if (!element.events) element.events = {};
	// create a hash table of event handlers for each element/event pair
	var handlers = element.events[type];
	if (!handlers) {
		handlers = element.events[type] = {};
		// store the existing event handler (if there is one)
		if (element["on" + type]) {
			handlers[0] = element["on" + type];
		}
	}
	// store the event handler in the hash table
	handlers[handler.$$guid] = handler;
	// assign a global event handler to do all the work
	element["on" + type] = handleEvent;
};
// a counter used to create unique IDs
addEvent.guid = 1;

/*
 * Ejemplo: removeEvent(window, 'load', foo);
 */
function removeEvent(element, type, handler) { // v2005-12-06
	// delete the event handler from the hash table
	if (element.events && element.events[type]) {
		delete element.events[type][handler.$$guid];
	}
};


/*
 * Funciones privadas (son utilizadas por las dos anteriores)
 */
function handleEvent(event) { // v2005-12-06
	var returnValue = true;
	// grab the event object (IE uses a global event object)
	event = event || fixEvent(window.event);
	// get a reference to the hash table of event handlers
	var handlers = this.events[event.type];
	// execute each event handler
	for (var i in handlers) {
		this.$$handleEvent = handlers[i];
		if (this.$$handleEvent(event) === false) {
			returnValue = false;
		}
	}
	return returnValue;
};
function fixEvent(event) { // v2005-12-06
	// add W3C standard event methods
	event.preventDefault = fixEvent.preventDefault;
	event.stopPropagation = fixEvent.stopPropagation;
	return event;
};
fixEvent.preventDefault = function() { // v2005-12-06
	this.returnValue = false;
};
fixEvent.stopPropagation = function() { // v2005-12-06
	this.cancelBubble = true;
};

// Precarga de imágenes
function precarga(){
         var n_imag=document.images.length;
         var precarga_img=new Array();
         var i;

         for (i=0;i<n_imag;i++){
             precarga_img[i]=new Image();
             precarga_img[i].src=document.images[i].src;
         }
}

addEvent(window, 'load', precarga);