var req;function navigate(month,year){var url="calendar-dt.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=callback;req.send(null);}
function callback(){obj=document.getElementById("calendar");setFade(0);if(req.readyState==4){if(req.status==200){response=req.responseText;obj.innerHTML=response;fade(0);}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");amt=(amt==100)?99.999:amt;obj.style.filter="alpha(opacity:"+amt+")";obj.style.KHTMLOpacity=amt/100;obj.style.MozOpacity=amt/100;obj.style.opacity=amt/100;}