function search()
    {
        var search_terms = document.getElementById('search_terms');    
        var search_mode = document.getElementById('search_mode');    
        if (isBlank(search_terms.value))
        {
            alert('Please enter some text to search for.');
            return false;
        }
        document.location = APP_DIRECTORY+'/search/'+search_mode.value+'/'+escape(search_terms.value)+'/1';
        return false;
    }