var loadedobjects=""

var rootdomain="http://"+window.location.hostname

function mostrar(url, containerid) {
  if (containerid == null) { var containerid = 'principal' }
  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() {
    document.getElementById(containerid).innerHTML='<div><img src="img/lendo2.gif"></div>'
    loadpage(page_request, containerid)
  }
  page_request.open('GET', url, 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 StatusDesc(args) {
  window.status=args;
  return true;
}