function sendForm(formName,idCapa,idCapaOcultar){
                        var formm=document.getElementById(formName);
                        //el.style.display='none';
//                        var formm=document.forms[0];
                        var cadena='';
                        for(var i=0; i<formm.elements.length; i++){
                                if (formm.elements[i].name == 'nav1') cadena=formm.elements[i].name+'='+formm.elements[i].checked+'&'+cadena;
                                if (formm.elements[i].name == 'nav2') cadena=formm.elements[i].name+'='+formm.elements[i].checked+'&'+cadena;
                                if (formm.elements[i].name == 'nav3') cadena=formm.elements[i].name+'='+formm.elements[i].checked+'&'+cadena;
                                if (formm.elements[i].name == 'confirm') cadena=formm.elements[i].name+'='+formm.elements[i].checked+'&'+cadena;
                                else cadena=formm.elements[i].name+'='+formm.elements[i].value+'&'+cadena;
                        }
                        visor(formName+'.htm?'+cadena,idCapa);
                        var el2=document.getElementById(idCapaOcultar);
                        if (el2) el2.style.display='none';
                }

function carga(a){
document.getElementById('container').src=a+'/';
visor(a+'/.comments','comm');
}
var bustcachevar=1 //bust potential caching of external pages after initial request? (1=yes, 0=no)
var loadedobjects=""
var rootdomain="http://"+window.location.hostname
var bustcacheparameter=""

function ajaxpage(url, containerid){
var page_request = false
if (window.XMLHttpRequest) // if Mozilla, Safari etc
page_request = new XMLHttpRequest()
else if (window.ActiveXObject){ // if IE
try {
page_request = new ActiveXObject("Msxml2.XMLHTTP")
} 
catch (e){
try{
page_request = new ActiveXObject("Microsoft.XMLHTTP")
}
catch (e){}
}
}
else
return false
page_request.onreadystatechange=function(){
loadpage(page_request, containerid)
}
if (bustcachevar) //if bust caching of external page
bustcacheparameter=(url.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime()
page_request.open('GET', url+bustcacheparameter, true)
page_request.send(null)
}

function loadpage(page_request, containerid){
if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1))
document.getElementById(containerid).innerHTML=page_request.responseText
}

function loadobjs(){
if (!document.getElementById)
return
for (i=0; i<arguments.length; i++){
var file=arguments[i]
var fileref=""
if (loadedobjects.indexOf(file)==-1){ //Check to see if this object has not already been added to page before proceeding
if (file.indexOf(".js")!=-1){ //If object is a js file
fileref=document.createElement('script')
fileref.setAttribute("type","text/javascript");
fileref.setAttribute("src", file);
}
else if (file.indexOf(".css")!=-1){ //If object is a css file
fileref=document.createElement("link")
fileref.setAttribute("rel", "stylesheet");
fileref.setAttribute("type", "text/css");
fileref.setAttribute("href", file);
}
}
if (fileref!=""){
document.getElementsByTagName("head").item(0).appendChild(fileref)
loadedobjects+=file+" " //Remember this object as being already added to page
}
}
}


function cargarDatos(pagina, dir, target)	
{	var page = false;
	var target;
	var url;
	url=dir + "/" + pagina;
    if (window.XMLHttpRequest)
    {
        // Si es Mozilla, Safari etc
        page = new XMLHttpRequest ();
    } else if (window.ActiveXObject)
    {
        // pero si es IE
        try 
        {
            page = new ActiveXObject ("Msxml2.XMLHTTP");
        }
        catch (e)
        {
            // en caso que sea una versi&oacute;n antigua
            try
            {
                page = new ActiveXObject ("Microsoft.XMLHTTP");
            }
            catch (e)
            {
            }
        }
    } 
    else
	{	return false;}
	
    page.onreadystatechange = function ()
    {
        // funci&oacute;n de respuesta
		if (page.readyState != 4) {
			document.getElementById (target).innerHTML= '<div id="loader"><img src="./img/ajax-loaderC.gif" > Cargando datos...</div>';
		}else{
			//window.setTimeout("cargarpagina(page);",2000); //pretendemos demorar la respuesta unos segundos
			cargarpagina(page, target);
		} 		
    }
	
    page.open ('GET', url, true); // asignamos los m&eacute;todos open y send
    page.send (null);	
 
}
 
function cargarpagina(page, target)
{
    if (page.readyState == 4 && (page.status == 200 || window.location.href.indexOf ("http") == - 1))
		document.getElementById (target).innerHTML = page.responseText;
}
function visor(url,capa){

        // alert(url);


        var ajax = crear_ajax();
        var capa_contenedor = document.getElementById(capa);

        // se crea y ejecuta la instancia si el metodo es POST

        ajax.open('POST',"/"+url,true);

        ajax.onreadystatechange = function(){

                        if(ajax.readyState==1){
                                capa_contenedor.innerHTML="<h1>Enviando petición...</h1>";
                        }else if(ajax.readyState==4){
                                if(ajax.status==200){
                                        capa_contenedor.innerHTML = ajax.responseText;
                                }else if(ajax.status==404){
                                        capa_contenedor.innerHTML = "El URL relacionado no existe.";                         
                                }else{
                                        capa_contenedor.innerHTML = "Error: "+ajax.status;
                                }
                        }
                }

                ajax.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
                ajax.send("contenedor="+capa);
                return;

}

function crear_ajax(){

        var objeto_ajax=false;
        try{
                // para navegadores distintos de IE
                objeto_ajax = new ActiveXObject("Msxml2.XMLHTTP");
        } catch(e){
                try{
                // para explorer
                objeto_ajax = new ActiveXObject("Microsoft.XMLHTTP");
                } catch(E){
                        objeto_ajax = false;
                }
        }

        if(!objeto_ajax && typeof XMLHttpRequest!='undefined'){
                objeto_ajax = new XMLHttpRequest();
        }
        return objeto_ajax;
}