function navigate(month,year) {
        var url = "http://www.familienleben.ch/events/calendar.php?month="+month+"&year="+year;
        if(window.XMLHttpRequest) {
                req = new XMLHttpRequest();
        } else if(window.ActiveXObject) {
                req = new ActiveXObject("Microsoft.XMLHTTP");
        }
        req.open("GET", url, true);
        req.onreadystatechange = callbackcalender;
        req.send(null);
}


function callbackcalender() {        
        obj = document.getElementById("eventcalendar");
        setFade(0);
        
		if(req.readyState == 4) {
               if(req.status == 200) {
                     response = req.responseText;
                     obj.innerHTML = response;
                     fade(0);
               }
        }
}

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

function datesearch(datestring) {	
	window.location.href='http://www.familienleben.ch/events-veranstaltungen/datum/'+datestring;
}

function setFade(amt) {
	obj = document.getElementById("eventcalendar");
	
	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;
}