function set_cookie()
{
    var error = false;
    
    var username = document.getElementById('username').value;
    
    if(! username)
    {
        error = true;
        document.getElementById('nameStar').style.visibility = "visible";
    }
    
    var password = document.getElementById('password').value;

    if(! password)
    {
        error = true;
        document.getElementById('passStar').style.visibility = "visible";
        
    }
    
    var hostname = document.getElementById('hostname').value;

    if(! hostname)
    {
        error = true;
        document.getElementById('hostStar').style.visibility = "visible";
    }
    
    if(error){

        document.getElementById('errorStar').style.visibility = "visible";

        return false;
     }
     else{
    
        document.cookie = "username=" + escape(username);
    
        document.cookie = "password=" + escape(password);
    
        document.cookie = "hostname=" + escape(hostname);
        
        listDatabases();
    
        return true;
    }
    
}

function listDatabases(){
        
    var sendData = "listDatabases;";
        
    runGenie(sendData);
        
    return true;
}
    
function listTables(database){
        
    var sendData = "listTables;" + database;
        
    runGenie(sendData);
}
    
function listData(table){
        
    var sendData = "listData;" + table;
        
    runGenie(sendData);
}
    
function runGenie(sendData)
{
    if (window.XMLHttpRequest)
    {
        // Mozilla version
        genie_ajax = new XMLHttpRequest();
    }
    else if (window.ActiveXObject)
    {
        // IE version
        genie_ajax = new ActiveXObject("Microsoft.XMLHTTP");
    }
        
    var sendData = encodeURIComponent(sendData);
    genie_ajax.open("POST","mockGenie.php");

    genie_ajax.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=UTF-8');

    genie_ajax.send(sendData);

    genie_ajax.onreadystatechange=function()
    {
        if (genie_ajax.readyState==4)
        {
            document.getElementById('content').innerHTML = genie_ajax.responseText;
        }
    }
        
    return true;
}
    
function demo()
{
    document.getElementById('hostname').value = "localhost";
    document.getElementById('username').value = "userbn";
    document.getElementById('password').value = "secretPass";        
}