function Go() 
{ 
    var Login;
    var Password;
    
    if (document.getElementById("ELogin").value == '')
    {
    	Login = document.getElementById("Login").value;
    }
    else
    {
    	Login = document.getElementById("ELogin").value;
    }
    
    if (document.getElementById("EPassword").value == '')
        {
        	Password = document.getElementById("Password").value;
        }
        else
        {
        	Password = document.getElementById("EPassword").value;
    }
    
    location.href = 'https://mail.arlcollect.com.au/NRC/Interface/Login/Login.aspx?Username=' + Login + '&Password=' + Password; 
}