var req;
var frm;
function submitfrmLogin (obj) {
    frm = obj;
    if(trim(frm.username.value)=="") {
        alert("Please enter username");
        setfocus(frm.username);
    } else if(trim(frm.user_pwd.value)=="") {
        alert("Please enter password");
        setfocus(frm.user_pwd);
    } else {
        var req1 = new XMLHttpRequest();
        req1.onreadystatechange = function ()
        {
            if (req1.readyState == 4) {
                if (req1.status == 200) {
                    if(trim(req1.responseText)!="") {
                        alert(req1.responseText);
                    } else {
                        frm.submit();
                    }
                } else {
                    alert("Error: while trying to login to administration console, please try again");
                }
            }
        }
        var pars = "username=" + escape(frm.username.value) + "&password=" + escape(frm.user_pwd.value);
        req1.open("GET", "login.process.php?" + pars, true);
        req1.send("");
    }
    return false;
}