function searchOnFocus() {
    document.getElementById("searchInput").style.color="#000000";
    document.getElementById("searchInput").value = "";
}

function searchOnBlur() {
    document.getElementById("searchInput").style.color="#888888";
    document.getElementById("searchInput").value = "search...";
}

function showHideDocumentElement(id) {
    var el = document.getElementById(id);
    if (el) {
        if (el.style.display == 'none') {
            el.style.display = 'block';
        } else {
            el.style.display = 'none';
        }
    }
    return false;
}