var SEARCH_FIELD_HINT = 'Поиск по сайту';

$(function()
{
    var searchField = $('#s');
    searchField.blur();
    onSearchFieldBlur(searchField);

    searchField.focus(function() {
        onSearchFieldFocus(searchField)
    });
    searchField.blur(function() {
        onSearchFieldBlur(searchField)
    });
    
    $( "#search_form_submit" ).click(function(){
        $( "#searchform" ).submit();

        return false;
    });
});

function onSearchFieldFocus(searchField)
{
    searchField.removeClass('hint');
    if (searchField.attr('value') == SEARCH_FIELD_HINT)
    {
        searchField.val('');
    }
}

function onSearchFieldBlur(searchField)
{
    searchField.addClass('hint');
    if ($.trim(searchField.attr('value')) == '')
    {
        searchField.val(SEARCH_FIELD_HINT);
    }
}