function showCalendarContent(obj, category, displaymonth) {

    if (category == "" || displaymonth == "" || obj == "") {
        return;
    }
    if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari
        xmlhttp = new XMLHttpRequest();
    }
    else {// code for IE6, IE5
        xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
    }
    xmlhttp.onreadystatechange = function () {
        if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
            document.getElementById(obj).innerHTML = xmlhttp.responseText;
        }
    }

    xmlhttp.open("GET", "scripts/getcalendarcontent.aspx?category=" + category + "&displaymonth=" + displaymonth + "&obj=" + obj, true);
    xmlhttp.send();
  

}