var age = new Date('Mon Feb 6 21:49:32 2012 ');
var svrPageLoadedinSecs = 	55;
var serverLoaded = new Date('Mon Feb  6 21:48:37 2012 ');


var serverDate=getServerDate();
var deltaServerInSeconds = parseInt( (new Date(serverDate).getTime() - age.getTime()) / 1000);
var deltaInSeconds       = parseInt( (new Date(          ).getTime() - age.getTime()) / 1000);


function elapsedTime (ageInSeconds)
{

//var ageInSeconds = parseInt((new Date().getTime() - new Date(createdAt).getTime()) / 1000);

var s = function(n) { return n == 1 ? '' : 's' };

if (ageInSeconds < 0) {
return 'recién';
}

if (ageInSeconds < 60) {
var n = ageInSeconds;
  return 'hace ' + n + ' segundo' + s(n);
}
if (ageInSeconds < 60 * 60) {
  var n = Math.floor(ageInSeconds/60);
  return 'hace ' + n + ' minuto' + s(n);
}
if (ageInSeconds < 60 * 60 * 24) {
  var n = Math.floor(ageInSeconds/60/60);
  return 'hace ' + n + ' hora' + s(n);
}
if (ageInSeconds < 60 * 60 * 24 * 7) {
  var n = Math.floor(ageInSeconds/60/60/24);
  return 'hace ' + n + ' d&iacute;a' + s(n);
}
if (ageInSeconds < 60 * 60 * 24 * 31) {
  var n = Math.floor(ageInSeconds/60/60/24/7);
  return 'hace ' + n + ' semana' + s(n);
}
if (ageInSeconds < 60 * 60 * 24 * 365) {
  var n = Math.floor(ageInSeconds/60/60/24/31);
  return 'hace ' + n + ' mes' + s(n);
}
var n = Math.floor(ageInSeconds/60/60/24/365);
  return 'hace ' + n + ' a&ntilde;o' + s(n) ;
}


function getServerDate() {
	var oRequest = new XMLHttpRequest();
	var sURL  = "http://"+self.location.hostname+"/date.php";

	oRequest.open("GET",sURL += (sURL.match(/\?/) == null ? "?" : "&") + (new Date()).getTime(), false);
	oRequest.setRequestHeader("User-Agent",navigator.userAgent);
	oRequest.send(null)
	if (oRequest.status==200) {
		return oRequest.responseText;
	} else {
		//alert("Error executing XMLHttpRequest call!");
		return "";
	}
}

function getDelta($thisdate){
  var thetime = new Date();
  return              parseInt((thetime.getTime() - $thisdate ) /1000) - deltaInSeconds + deltaServerInSeconds;
/*  var elapsedsecs = parseInt((thetime.getTime() - age.getTime() ) /1000) - deltaInSeconds + deltaServerInSeconds; */

}

function roll(me, cb_news)
{
//   var cb_news = getChildById(me, "cb_" + me.id);
  var el_news = getChildById(me, "news_" + me.id);

  if (el_news != null) { 
    var expand = (el_news.style.display=="none");
    el_news.style.display = (expand ? "block" : "none");
    if (cb_news != null ) { 
     cb_news.innerHTML = (expand ?  "-" : "M" );
    }
  };


}

function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}

function init_deltas(){
  serverDate=getServerDate();
  deltaServerInSeconds = parseInt( (new Date(serverDate).getTime() - age.getTime()) / 1000);
}

addLoadEvent(init_deltas);