function nuevoAjax(){
	var xmlhttp=false;
	try{
		xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
	}catch(e){
		try {
			xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		}catch(E){
			xmlhttp = false;
		}
	}	
	if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
		xmlhttp = new XMLHttpRequest();
	}
	return xmlhttp;
}


function visualizaFoto(nombre,id,seccion){       
       ajax=nuevoAjax();
       window.parent.X.innerHTML = '<p style="text-align:center;"><img src="imagenes/esperando.gif"/></p>'; 
       ajax.open("POST", "muestra.php?nombre="+nombre+ "&id="+id+ "&seccion="+seccion,true);
       ajax.onreadystatechange=function() {
       if (ajax.readyState==4) {      
	   window.parent.X.innerHTML = ajax.responseText	   
       }       
       }
       ajax.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
       ajax.send(null)
}

/*
function visualizaTodas(seccion){       
       ajax=nuevoAjax();
       window.parent.X.innerHTML = '<p style="text-align:center;"><img src="imagenes/esperando.gif"/></p>'; 
       ajax.open("POST", "visualiza_todas.php?seccion="+seccion,true);
       ajax.onreadystatechange=function() {
       if (ajax.readyState==4) {      
	   window.parent.X.innerHTML = ajax.responseText	   
       }       
       }
       ajax.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
       ajax.send(null)
}
*/

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); 
// cambio de imagen. 
imageSeparator = futureImages.indexOf(";"); 
nextImage = futureImages.substring(0,imageSeparator); 
if (slideCache[nextImage] == null) { 
slideCache[nextImage] = new Image; 
slideCache[nextImage].src = nextImage; 
} 
} 


function visualizaTodas(seccion){       
       ajax=nuevoAjax();
       window.parent.X.innerHTML = '<p style="text-align:center;"><img src="imagenes/esperando.gif"/></p>'; 
       ajax.open("POST", "dos.php?seccion="+seccion,true);
       ajax.onreadystatechange=function() {
       if (ajax.readyState==4) {      
	   window.parent.X.innerHTML = ajax.responseText	   
       }       
       }
       ajax.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
       ajax.send(null)
}