function doLogin(username, password)
{
    var formUserName = document.getElementById('tx_username');
    var formPasswod = document.getElementById('tx_password');
    
    var txUserName = document.getElementById(username);
    formUserName.value = txUserName.value;
    
    var txPassword = document.getElementById(password);
    formPasswod.value = txPassword.value;
      
    var login = document.getElementById('loginForm');
    login.submit();
}

function SetCookie(cookieName,cookieValue,nHours)
{
    var today = new Date();
    var expire = new Date();
    if (nHours==null || nHours==0) nHours=1;
    expire.setTime(today.getTime() + 3600000*nHours);
    document.cookie = cookieName+"="+escape(cookieValue)+ ";expires="+expire.toGMTString();    
}

function onEnterPressed(event, userInput, passInput)
{
    if((event.which && event.which == 13) || (event.keyCode && event.keyCode == 13))
    {
        doLogin(userInput, passInput);
        return false;
    } 
    else return true;
}