$(function(){
        if ('' != $('#login_name').val())
    {
        $('#login_name').addClass('loginfield_active');
    }
           if ('' != $('#password').val())
    {
        $('#password').addClass('loginfield_active');
    }
    
//---------------------------------------------------------------------------------------------------------------------
    
    $('#login_name').focus(function(){
        $(this).addClass('loginfield_active');
    });
        
        $('#password').focus(function(){
        $(this).addClass('loginfield_active');
    });
    
    
//---------------------------------------------------------------------------------------------------------------------
    
    $('#login_name').blur(function(){
        if ('' == $(this).val())
        {
            $(this).removeClass('loginfield_active');
        }
    });
   
   $('#password').blur(function(){
        if ('' == $(this).val())
        {
            $(this).removeClass('loginfield_active');
        }
    });
});