$(document).ready(function() 
{
    $('#search_form input[name=searchstring]').bind('focus', searchword_focus);
    $('#search_form input[name=searchstring]').bind('focusout', searchword_lost_focus);
});




// ----------------------------------------------------------------------------------------
// ----------------------------------------------------------------------------------------
// --- -- - searching
var search_original_text = null;

// pri zaostreni na vyhledavani, ulozim text, ktery je v nem vepsan
// jen v pripade, ze se jedna o originalni text
function searchword_focus()
{
    if (null == search_original_text) {
        search_original_text = $(this).val();
        $(this).val('');
    } else if (search_original_text == $(this).val()) {
        $(this).val('');
    }
}

// pokud jsem vymazal text pro vyhledavani a zrusim focus, tak vratim
// text originalni
function searchword_lost_focus()
{
    if (0 == $(this).val().length) {
        $(this).val(search_original_text);
    }
}