var idcapaActiva='';
function mostrar(idcapa){
	if(idcapaActiva != ""){
		document.getElementById(idcapaActiva).style.display="none";
	}
	idcapaActiva=idcapa;
	document.getElementById(idcapa).style.display="inline";
}	

function intercambiarValor(valor1, valor2){
	aux=document.getElementById(valor1).value;
	document.getElementById(valor1).value=document.getElementById(valor2).value;
	document.getElementById(valor2).value=aux;
	return false;
}

/*Esto hace un preload de imagenes*/
function simplePreload()
{ 
  var args = simplePreload.arguments;
  document.imageArray = new Array(args.length);
  for(var i=0; i<args.length; i++)
  {
    document.imageArray[i] = new Image;
    document.imageArray[i].src = args[i];
  }
}

/*
Seccion de funciones y variables para fadein-fadeout
*/
var miImage;
var accion;
var newImageSrc;

function changeImage(path){
	newImageSrc=path;
	miImage=document.getElementById("bigImage");
	accion="ocultar";
	miImage.xOpacity = .99;
	setTimeout(so_xfade,1);
}//function changeImage(path){
	
function so_xfade() {
	cOpacity = miImage.xOpacity;
	if(accion=="ocultar")
		cOpacity-=.1; 
	else
		cOpacity+=.1; 
	if(cOpacity<=0){
		accion="mostrar";
	}

	miImage.xOpacity = cOpacity;
	
	setOpacity(miImage); 
	
	if(cOpacity>=.99 && accion=="mostrar") {
		//se ha mostrado por completo
	} else {
		setTimeout(so_xfade,1);
	}
}//function so_xfade() {
	
function setOpacity(obj) {
	if(obj.xOpacity<=0)
		obj.src=newImageSrc;
	if(obj.xOpacity>.99) {
		obj.xOpacity = .99;
		return;
	}
	obj.style.opacity = obj.xOpacity;
	obj.style.MozOpacity = obj.xOpacity;
	obj.style.filter = "alpha(opacity=" + (obj.xOpacity*100) + ")";
}//function setOpacity(obj) {
/*
FIN Seccion de funciones y variables para fadein-fadeout
*/