<!--DOCUMENT CONTENT_TYPE="text/javascript"  -->

DEFAULT_REFRESH_TIME = 600000;
REFRESH_LIMIT = 600000;
var cert_IsAutoRefresh = false;

/*
 * Funciones internas al script Certifica-IAB
 */
function cert_setCookie(name, value, expires, path, domain, secure) {
  var curCookie = name + "=" + escape(value) +
      ((expires) ? "; expires=" + expires.toGMTString() : "") +
      ((path) ? "; path=" + path : "") +
      ((domain) ? "; domain=" + domain : document.location) +
      ((secure) ? "; secure" : "");
  document.cookie = curCookie;
}

function cert_getCookie(name) {
  var dc = document.cookie;
  var prefix = name + "=";
  var begin = dc.indexOf("; " + prefix);
  if (begin == -1) {
    begin = dc.indexOf(prefix);
    if (begin != 0) return null;
  } else
    begin += 2;
  var end = document.cookie.indexOf(";", begin);
  if (end == -1)
    end = dc.length;
  return unescape(dc.substring(begin + prefix.length, end));
}

function cert_deleteCookie(name, path, domain) {
  if (cert_getCookie(name)) {
    document.cookie = name + "=" +
    ((path) ? "; path=" + path : "") +
    ((domain) ? "; domain=" + domain : document.location) +
    "; expires=Thu, 01-Jan-70 00:00:01 GMT";
  }
}

function cert_RefreshInt()
{
	var now = new Date();

	cert_setCookie('autorefresh_time', now.getTime());
//  location.reload();
	if (document.location.toString().indexOf("?") > 0 && document.location.toString().indexOf("origen=metarefresh") <= 0)
	{
		document.location.href= document.location + "&origen=metarefresh";
	}
	else if (document.location.toString().indexOf("origen=metarefresh") <= 0)
	{
		document.location.href= document.location + "?origen=metarefresh";
	}
	
}

function cert_IsAutoRefresh_func() {
    var now = new Date();
    var tsCookie = cert_getCookie('autorefresh_time');
  
    cert_deleteCookie('autorefresh_time');
  
    if (tsCookie) {
        var d = now.getTime() - tsCookie;
        if (d <= REFRESH_LIMIT) {
            return true;
        } else {
            return false;
        }
    } else {
        return false;
    }
}
/*
 * Funciones PUBLICAS
 */

/*
 * cert_Refresh: permite hacer autorefresh de la pagina y cumplir con las normas
 *               fijadas por el IAB al respecto.
 *
 * iTime: tiempo en minutos en el cual se deberá hacer autorefresh
 *
 */
var certificaTimeOutToken=0;
function cert_Refresh( iTime ) {
  var refreshTime;
  refreshTime = ((iTime) ? iTime*60*1000 : DEFAULT_REFRESH_TIME);

  cert_IsAutoRefresh = cert_IsAutoRefresh_func();
  certificaTimeOutToken = setTimeout( 'cert_RefreshInt()', refreshTime );
}