var http;
var uploader = '';
var uploaderId = 'calblock';
function createRequestObject() {
    var obj;
    var browser = navigator.appName;
    
    if(browser == "Microsoft Internet Explorer"){
        obj = new ActiveXObject("Microsoft.XMLHTTP");
    }
    else{
        obj = new XMLHttpRequest();
    }
    return obj;    
}

function traceUpload(id) {
	http = createRequestObject();
	http.onreadystatechange = handleResponse;
	http.open("GET", '/calendar.php?month='+id); 
	http.send(null);
}

function handleResponse() {
	if(http.readyState == 4){
        document.getElementById(uploaderId).innerHTML = http.responseText;
    }
    else {
//  	document.getElementById(uploaderId).innerHTML = \"Загрузка...\";
    }
}