var toggleCaseboxVisibility = function(selIdx) {
        var searchType = '';
        var caseBox = document.getElementById("search-casesensitive");
        if (selIdx > -1) {
            searchType = document.getElementById("idSearchType");
            searchType = searchType.options[selIdx].value;
            if (searchType == 'SIMPLE') {
                caseBox.style.display = 'block';
            } else if (searchType == 'FULLTEXT') {
                caseBox.style.display = 'none';
            }
        }

    return;
};