var Search = new Object();
Search.InputQueryEmptyText = "Введите запрос...";

Search.SearchQueryClick = function(searchQueryElement)
{
    var searchElement = $(searchQueryElement);
    if (searchElement.val() == Search.InputQueryEmptyText)
    {
        searchElement.val('');
    }
}

Search.DoSearch = function(submitButton, searchQueryElementId)
{
    var searchQueryElement = $("#" + searchQueryElementId);
    var searchQuery = searchQueryElement.val();
    if (searchQuery == '' || searchQuery == Search.InputQueryEmptyText)
    {
        if (typeof (submitButton) != 'undefined')
        {
            searchQueryElement.val(Search.InputQueryEmptyText);
        }
        return false;
    }
    return true;
}