var req;
var dfecha;

function navigate(month,year) {
        var url = "/calendar_ajax.php?month="+month+"&year="+year+"&xtra="+Date();
        if(window.XMLHttpRequest) {
                req = new XMLHttpRequest();
        } else if(window.ActiveXObject) {
                req = new ActiveXObject("Microsoft.XMLHTTP");
        }
        req.open("GET", url, true);
        req.onreadystatechange = callback;
        req.send(null);
}

function callback() {        
        obj = document.getElementById("calendar_container");
        setFade(0);
        
		if(req.readyState == 4) {
                if(req.status == 200) {
                        response = req.responseText;
                        obj.innerHTML = response;
                        fade(0);
						initLytebox();
                } else {
                        alert("There was a problem retrieving the data:\n" + req.statusText);
                }
        }
}

function fade(amt) {
	if(amt <= 100) {
		setFade(amt);
		amt += 10;
		setTimeout("fade("+amt+")", 5);
    }
}

function setFade(amt) {
	obj = document.getElementById("calendar_container");
	
	amt = (amt == 100)?99.999:amt;
  
	// IE
	obj.style.filter = "alpha(opacity:"+amt+")";
  
	// Safari<1.2, Konqueror
	obj.style.KHTMLOpacity = amt/100;
  
	// Mozilla and Firefox
	obj.style.MozOpacity = amt/100;
  
	// Safari 1.2, newer Firefox and Mozilla, CSS3
	obj.style.opacity = amt/100;
}
var dfecha="";
var ddoc="";
var dhora="";


function ajaxpage3(url) {

    var http_request = false;

	url = url + "&to=" + Date()
	

        if (document.all)
   {
      // IE version
      try {
      var xml = new ActiveXObject("Microsoft.XMLHTTP");
      xml.Open( "GET", url, false);
      xml.Send()
      
      } catch (e) {
      var xml = new ActiveXObject("MSXML2.XMLHTTP.4.0");
      xml.Open( "GET", url, false);
      xml.Send()
     
      }
   }
   else
   {
      // Mozilla/Netscrap 6+ version
            var xml=new XMLHttpRequest();
            xml.open("GET",url,false);
            xml.send(null);
   }

	return xml.responseText;

}

function escribir_fecha(){
		//document.write dfecha + "88";
}