function objetoAjax(){
	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;
}

/**************************************************************************
	- Vencimiento del tiempo ESTA FUNCION TRABAJA CON MILISEGUNDOS
	http://www.convertworld.com/es/tiempo/Milisegundos.html
***************************************************************************/
function startTimer(){
		//setTimeout('aviso()',2400000);//9 min aviso 540000 = 9 min... 2400000 = 40 min
		setTimeout('logout()',2400000);//40 min
}
/*function aviso(){
	alert('Haz tenido inactividad en 40 minutos, seras expulsado del sistema y tendras que volverte a logear');
	return false;
}
*/


/**************************************************************************
	- Cargar Inputs 
***************************************************************************/
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 ajaxpage2(url, containerid, img_animacion){


switch(img_animacion){
	case '1':
		var anima_imagen = '<img src="images/preload.gif" />';
	break;
	case '2':
		var anima_imagen = '';
	break;
	case '3':
		var anima_imagen = 'Cargando...';
	break;
	case '4':
		var anima_imagen = '<img src="images/spinner.gif"/>';
	break;
	case '5':
		var anima_imagen = '</br><br /><br /><br /><img src="images/spinner.gif"/> <span style="font-family:Arial; font-size:9px; color:#666;"></span>';
	break;
	case '6':
		var anima_imagen = '</br><br /><br /><br /><img src="images/spinner.gif"/> <span style="font-family:Arial; font-size:9px; color:#666;"></span>';
	break;
	
}

var page_request = false
var s = containerid;

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


	//esta line es para mostrar un msj mientras se carga
	window.document.getElementById(s).innerHTML = anima_imagen;

	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 ajaxcombo2(selectobjID, loadarea, img_animacion){
	
switch(img_animacion){
	case '1':
		var anima_imagen = '<img src="images/preload.gif" />';
	break;
	case '2':
		var anima_imagen = '';
	break;
	case '3':
		var anima_imagen = 'Cargando...';
	break;
	case '4':
		var anima_imagen = '<img src="images/spinner.gif"/>';
	break;
	
}


var x = loadarea;
var selectobj=document.getElementById ? document.getElementById(selectobjID) : ""
window.document.getElementById(x).innerHTML = anima_imagen;
if (selectobj!="" && selectobj.options[selectobj.selectedIndex].value!="")
ajaxpage2(selectobj.options[selectobj.selectedIndex].value, loadarea)

}


function asegurar(form)
{
	if(confirm('Seguro que los datos enviados están correctos y completos?'))
		{
			form.submit();
		} else {
			return false;

		}
}

function visible(selObj){ 

var opc

if (selObj.options[selObj.selectedIndex].value==1) {

    opc=1;}
if (selObj.options[selObj.selectedIndex].value==2) {

    opc=2;}

if (selObj.options[selObj.selectedIndex].value==3) {

    opc=1;}

switch (opc) {
	case 1:
		document.getElementById("2").style.display="";
		document.getElementById("3").style.display="";
	break;
	case 2:
		document.getElementById("2").style.display="none";
		document.getElementById("3").style.display="none";

	break;
	default:
		document.getElementById("2").style.display="none";
		document.getElementById("3").style.display="none";
	break;
}

}

var nav4 = window.Event ? true : false;
function acceptNum(evt){ 
var key = nav4 ? evt.which : evt.keyCode; 
return (key <= 13 || (key >= 48 && key <= 57));
}