var default_search_term;

    $(document).ready(function (){
        default_search_term = $('#searchInput').val();
        $('#searchInput').focus(function (){
            if ($(this).val() == default_search_term) {
                $(this).addClass('active').val('');
            }
        }).blur(function (){
            if ($(this).val() == '') {
                $(this).removeClass('active').val(default_search_term);
            }
        });
    });