/**
 * Prepares the newsletter subscribe field
 * (adds the grey "email" word)
 */
function prepareNewsletterField()
{
    var inactiveText = 'email';
    var field = $('#sidebar_newsletter .input_text');
    var inactive = false;
    function checkInactive()
    {
        if ((field.val() == '' || field.val() == inactiveText) && !field.focused && !inactive)
        {
           inactive = true;
           field.val(inactiveText);
           field.addClass("empty");
        }
    }
    function onActive()
    {
        if (inactive)
        {
            inactive = false;
            field.val("");
            field.removeClass("empty");
        }
    }
    field.focusin(onActive);
    field.focusout(checkInactive);
    checkInactive();
}

$(prepareNewsletterField);