function CheckUsername() {
       //tks oct.13.2009
       //only admin username should logon
       //called from admin_only.asp
    var username = document.forms[0].txtUsername.value;
    //trim username
    username = username.replace(/^\s+|\s+$/g,"");
    document.forms[0].txtUsername.value = username;
    if (username.toLowerCase() != "admin") {
        document.forms[0].reset();
        alert("Only admin can logon from this page.");
        return false;    
    }
    else {
        document.forms[0].submit();
        return true;
    }
}
function CheckNoAdmin(obj) {
    //tks oct.13.2009
    //only cannot logon from login.asp page
    //called from login.asp
    var username = obj.value;
    //trim username
    username = username.replace(/^\s+|\s+$/g,"");
    obj.value = username;    
    if (username.toLowerCase() != "admin") {
        return true;    
    }
    else {
        obj.value = "";
        alert("User admin cannot logon from this page.");
        obj.focus();
        return false;
    }
}

function CheckNoAdmin2(obj) {
    //tks oct.13.2009
    //only cannot logon from login.asp page
    //called from login.asp
    
    if (obj.keyCode == 13) {
        var username = obj.value;
        //trim username
        username = username.replace(/^\s+|\s+$/g,"");
        obj.value = username;    
        if (username.toLowerCase() != "admin") {
            return true;    
        }
        else {
            obj.value = "";
            alert("User admin cannot logon from this page.");
            obj.focus();
            return false;
        }
    }
}