var req;
try {
        req = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
        try {
                req = new ActiveXObject("Microsoft.XMLHTTP");
        } catch (e2) {
                req = null;
        }
}
if (!req && typeof XMLHttpRequest != "undefined") {
        req = new XMLHttpRequest();
}
function callServer() {
  var url = "active.htm";
  req.open("GET", url, true);
  req.onreadystatechange = requestDone;
  req.send(null);
}
function requestDone() {
        if (req.readyState == 4) {
                var response = req.responseText;
                if(response.indexOf("live_on")>=0){
                        setLiveOn();
                }
        }
}
function setLiveOn(){
        //alert("dsdsds");
        var ls = document.getElementById('live_support');
        ls.href = "#";
        ls.onclick = function () { window.open("http://livechat.rx-partners.biz/cust_chat.php",'Cust','toolbar=no location=no directories=no menubar=no resizable=yes scrollbars=yes width=450 height=450'); return false; };
        ls.alt="Live Support - ONLINE"
        ls.firstChild.src = "imgs/live_on.gif";
}