function siteSearch(initialValue, language) {
    var searchInput = document.getElementById("query");
    var value = searchInput.value == initialValue ? '' : searchInput.value;
    var lang = language == null || language == '' ? 'ru' : language;

    if (value != '') {
        document.location = '/search/?query=' + escape(value);
    }
    else {
        if(lang == 'ru')
            alert('Необходимо ввести условие поиска.');
        else
            alert('Search criteria should be defined.');
    }

    return false;
}

function onSearchKeyPressed(e, initialValue, language) {
    e = e || window.event;
    var code = e.keyCode || e.which;

    if (code == 13) {
        siteSearch(initialValue, language);
        return false;
    }

    return true;
}